Valve User Issue 44 Articles

101 articles found in this issue

Lessons in Life!: Or alternatively - have faith!

The draughty and crumbling 300 year old farmhouse where I grew up owed its continued existence to a tie-rod – essentially a humongous nut, washer and bolt arrangement. You may have...

Annual General Meeting 2017: BVAA’s Annual General Meeting was held this year on November 17th at Rookery Hall, Cheshire.

With the new format of informative presentations now firmly established, members received updates on a small selection of hugely relevant topics. First up was Adrian Bond from ...

Valve Industry Shrugs off the Beast & Emma!

The Association enjoyed a hugely successful BVAA Regional Dinner & Supplier Day at the Holiday Inn, Brighouse on the 27th and 28th February 2018, despite the best efforts of the ‘B...

Ninety-six 1-to-1s

During the Supplier Day element, BVAA facilitated 96 one-to-one meetings between some of the industry’s major OEMs and the association’s suppliermembers, meetings that most probabl...

Global Valve & Actuator Market: Outlook likely to Brighten Further

Since the publication of the inaugural Global Valve & Actuator market report in March 2017, we have become progressively more optimistic about global growth Global GDP growth is...

Mad Hatters - Bonomi Ups The Pace

This issue’s sporting cap wearers are Dave Olney and Susan Sullivan of process valve and actuator specialist Bonomi, who recently competed in the Birmingham half marathon. Their...

VMA President William Sandler Honoured for 40 Years of Service: Sandler Named “Man for the Decades” at VMA Annual Meeting

To commemorate a special anniversary, the board of directors of the Valve Manufacturers Association of America created a special award: “Man for the Decades.” The recipient was non...

Is Training Trivial?

Training days have always been one of the best ways to boost morale in the workplace, improve safety, develop employees, among many other benefits. So why the hesitation? Budget...

BVAA Courses Certified for CPD: Another benefit of enhancing your valve knowledge with the BVAA!

The CPD Certification Service recently assessed both our ‘Introduction to Control Valves’ and our ‘Introduction to Safety Valves’ courses. They concluded that the content viz. ...

BVAA New Members

New members this month include: NeoNickel Kingswinford Langley Alloys I.K.M Special Quality Alloys Ltd Samson Specialist Valve Services Welcome to you all!...

BVAA’s Technical Hot Spots: EN 15714-3:2009 Industrial valves - Actuators - Part 3: Pneumatic part-turn actuators for industrial valves - Basic requirements – Proposal to revise

What is it?: This European Standard provides basic requirements for pneumatic part-turn valve actuators, both double acting and single acting, used for on-off and modulating contr...

BVAA’s Technical Hot Spots: BS ISO 10631:2013 Metallic butterfly valves for general purposes – 5 Year Review

What is it?: This International Standard specifies requirements for design, materials (e.g. steel, cast iron, ductile iron, copper alloy), pressure/ temperature ratings and testin...

BVAA’s Technical Hot Spots: BS EN 15389:2008 Industrial valves - Performance characteristics of thermoplastic valves when used as construction products - 5 Year Systematic Review

What is it?: This European Standard specifies performance requirements and means for evaluation of conformity for valves of thermoplastic material, by reference to product standar...

BVAA’s Technical Hot Spots: ISO 28921-1:2013 Industrial valves — Isolating valves for low-temperature applications Part 1: Design, Manufact. & Production Testing – 5 Year Review

What is it?: This part of ISO 28921 specifies requirements for the design, dimensions, material, fabrication and production testing of isolating valves for low-temperature applica...

BVAA’s Technical Hot Spots: BS EN 13774:2013

BS EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements - 5 Year Systematic Review What is i...

Actuated Solutions Offers Widest Range of APL Switchboxes on Market

One of the UK’s leading valve automation providers, Actuated Solutions, is announcing it now offers the widest range of genuine APL switchboxes on the market, and has even more pro...

Electric-Actuated Subsea Regulator: Late last year we were approached by one of our customers who was struggling to find an assembly solution to their deep sea application.

They required full remote control of their subsea pressure regulator. Given the conditions at deep sea levels, it was essential that our solution was strong and capable of withstan...

Cambrian take the Pain out of Valve Selection: Cambrian Valves – part of the Great British Valve Group - has recently expanded in all aspects of its business.

The company has invested in an impressive new building in Baglan, Swansea. But they are also hiring new, highly skilled employees with a focus on full site service. The range of Ca...

EnerMech Acquires MInteg

Engineering services group EnerMech has taken a majority stake in Aberdeen-based maintenance, inspection and integrity specialist MInteg Ltd, broadening international services as p...

Safety For Your Plants: The safety and reliability of technical processes are of vital importance for companies in the process industries

Bulk materials and powders in sectors such as the chemical, pharmaceutical and food industries and others can be very dangerous. One spark – and the dust explodes. It is no surpris...

LB Bentley Announce Enhanced Website: New Year - New Look with the launch of LB Bentley Ltd’s upgraded website

LB Bentley Ltd were delighted to announce the launch of their new look website in January 2018, which contains updated information and downloads. As part of the Severn Glocon Group...

Challenge of Monitoring Shut Down Valve Condition on Existing and Ageing Assets: Shut down valves perform a vital safety role on many process plants, both onshore and offshore.

They are designed and positioned such that, in the event of a potential problem, they operate to ensure the process is stopped in a way that prevents a hazardous event occurring. T...

Valve Corrosion - Why is this So Important when Considering The Choice of Valve Packings?

Corrosion is a huge problem in many industries around the world especially the oil and gas industry. Due to the use of dissimilar metals in valves, these can react when in contact ...

New Pinch Valves From Festo Optimise Processes: Festo’s new pinch valves give reliable shut off and smooth media flow for optimised processes

Festo, the leading supplier of automation technology, has launched a new pneumatic pinch valve – the VZQA – which provides reliable control and shut off in food and drink productio...

Webtec Announces New Distribution Partners to Expand Focus on China: Webtec’s Managing Director announced new distribution agreements at a technical conference in China

While presenting at a technical conference in China, Webtec’s Managing Director, Martin Cuthbert and Huimin Zhang, Market Development Director, used the opportunity to announce two...

Langley Alloys Invest £1.5M in Stock

Langley Alloys have invested an extra £1.5M in additional stock at our UK site, meaning that we now hold a more complete range of nickel alloys to serve the valve and actuator mark...

Trends in Pneumatic Spring Return Valve Actuator Selection

The demands for safety, efficiency and environmental responsibility from the oil, gas and energy industries have significantly impacted the selection of pneumatic valve actuator fo...

Flow Control Solutions: Unrivalled solutions from Flowserve’s largest independent distributor in the UK.

You know you’re onto a winner when your distributor-of-choice is chosen by a giant of the industry as their preferred supply channel for their niche products. This is certainly...

Emerson Completes Acquisition of Prosys Inc.: Deal adds new software capabilities to improve plant performance and brings new technologies to Emerson’s Operational Certainty™ initiative

Emerson announced earlier this year, that it has acquired ProSys Inc., a global supplier of software and services that increase production and safety for the chemical, oil and gas,...

Having Trouble Finding Valves For Refrigeration?: Seetru Limited offer a range of market solutions

The Seetru range of Safety Valves for refrigeration are designed to meet the needs of the refrigeration industry, offering safety valve technology for compressor manufacturers, ind...

Acquisition adds Valves Value for EnerMech: EnerMech is expanding its valves division with the acquisition of the UK valves business of Denholm Valvecare (DV).

The global integrated engineering services group has acquired the UK trade and assets of the valves division of family-owned Denholm Oilfield Services for an undisclosed sum. E...

J+J Automation Launch New Website

Valve actuator specialists, J+J Automation has launched its new website (jjautomation.com) in the US, which has enabled the company to enhance exports, and within four months has a...

New Aseptic Control Valve Gemü 567 Biostar

GEMÜ has invested in a new valve design for hygienic and aseptic control valve applications for small volume dosing in the pharmaceutical, biotechnology and food/beverage industrie...

Using Valves or Actuators in SIL Applications

This edition of Valve User Magazine continues with the second article in the series about using valves or actuators in SIL applications. The articles are written by Paul Reeve who ...

NEW Process Valves & Actuation Catalogue from Hydravalve (UK): The comprehensive 600+ page catalogue showcases renown European and worldwide brands and new product lines.

The new additions from Haitima include the FW range of stainless steel 1, 2 and 3 piece ball valves and the 2013KMDR reduced bore 3 piece firesafe approved ball valve available in ...

Bonomi Growth Leads to Opening of New UK Actuation Centre

Process valve and actuator specialist Bonomi has consolidated its recent growth in the UK marketplace by expanding its actuated valve workshop and warehouse facilities. The comp...

AVA Actuators Continues its Growth & Development with New Partners around the Globe: AV Actuators has had another year of growth and development of its range of quarter turn electric actuators.

The company has now had success in various countries, some of which were contacts made during the Valve World show where the product was officially launched back in 2016. Following...

140-Year-Old Valve Refurbished & Re-manufactured: Blackhall Engineering Ltd save critical valve from failure, in one of Yorkshire Water’s oldest reservoirs.

Fewston Reservoir, originally built in the period between 1876 and 1879 is located in Washburn valley to the west of Harrogate in Yorkshire, England. The capacity of the reservoir ...

Why Plant Engineers Specify J+J Valve Actuators

Model J3C-s, the latest series from the innovative European designers and manufacturers J+J, ensures that their smart electric valve actuators continue to be hugely popular with pl...

SMC Launches Digital Flow Switch For Large Flow: The latest digital flow switch to join the SMC family, PF3A7#H, monitors the consumption of the main line with a 100:1 ratio.

The PF3A7#H is the latest addition to SMC’s flow switch family that covers a large flow measurement range and features a clear and easy to read display, which is crucial in monitor...

Who are BVAA? What does BVAA do?

Possibly the two most asked questions about the British Valve and Actuator Association (BVAA). When we respond, often a lengthy process to describe it all, the reaction is generall...

Chairman’s Report: Proud of our Past, Developing our Future

As I drew toward the end of my three-year tour as the BVAA Chairman, I was very surprised to learn that I had also been on the BVAA’s Board for 15 years. I concluded that my retire...

A Word from the New Chairman

It was a tremendous honour to be asked to take the Chair of the BVAA, and I know that David will be a hard act to follow. I will miss his experience, wit and wisdom at the Board. ...

Doing more, with less: Almost all of us have had to deal with that reality in our careers. At BVAA, this is no different.

Our outgoing Chairman has reflected upon the challenges that both he and I inherited in the mid-2000s, but the ones we faced last year were still somewhat challenging. The industry...

Actuator Working Group

The BVAA Actuator Working Group, in conjunction with BSI - PSE18/5 (actuators), met in October 2017 in the offices of Rotork UK in Leeds. Subjects discussed included European and I...

Valve Working Group: “I was very fortunate to take over from Peter Burnett (Heap & Partners) at the beginning of the year as chairman of the Valve Working Group...”

It continues to be well supported by members to the point of reaching meeting room capacity it seems on virtually every occasion. So it was that well-attended meetings were held at...

Activities Report: Activity Breeds Activity!

When describing the benefits of membership, we are constantly telling members ‘you get out of it what you put into it.’ Here at the Secretariat we are finding that the extensive ef...

Technical Report: BVAA Technical Service

Technical Services covers a wide range of activity. Training is hugely important. We must pass on our knowledge to members, customers and suppliers. Every attendee at our courses b...

Training Report: The Value in Training

There is a tendency to treat Training as an ‘optional extra.’ Indeed, many companies regard it as a discretionary spend and only do it in extremis. Regrettably, many undertake ...

Future Leaders Programme: Developing the Next Generation

Such is the importance of the Future Leaders Programme, it really does merit a page of its own in our Annual Review. Conceived in 2015 and launched at the very end of that year...

Business Development Group Report: ‘I Love it When a Plan Comes Together’

Admittedly the catchphrase of Hannibal (Smith, he of the ‘A-Team,’ not the Elephants) but 2017/18 really was a very rewarding time for the BVAA’s Business Development (BD) activiti...

Emerson Introduces SIL Certified Vortex Flow Meters To Enhance Plant Safety & Reliability: New SIL 2/3 certified Vortex meters for safety instrumented systems reduce process downtime and prevent spurious trips

Facilities with safety instrumented systems can now take advantage of the new SIL 2/3 functional safety certification of Emerson’s Rosemount™ 8800 Vortex flow meters, per IEC 61508...

BVAA’s Technical Hot Spot: Testing of valves - Fire type-testing requirements (ISO 10497:2010) BS EN ISO 10497:2010

What is it?: This International Standard specifies fire type-testing requirements and a fire type-test method for confirming the pressure-containing capability of a valve under pr...

Gall Thomson Launches First Locking Camlock: Gall Thomson, the world leader in marine couplings, has just introduced a new range of next generation locking cams for its Camlock Couplings.

The Camlock-R™ is a fully sealed ratchet mechanism that locks as it’s tightened and which can only be released using its built-in central push button. The Camlock-R™ is up to 50 ti...

Deepwater Deployment Gets Tough

A partnership set up to find a way to protect subsea choke valves in high pressure, high temperature (HPHT) conditions has seen success with its first deployment to the Gulf of Mex...

Ultravalve Wins Contract & Territory Extention Through Vexve Deal Renewal: Bonomi-owned process valve and RPZ valve specialist Ultravalve, has signed an extension to its partnership with Finnish valve manufacturer Vexve.

The deal marks an extension to the company’s previous contract, as well as expanding the territory over which Ultravalve enjoys sole supplier status to include the whole of Ireland...

Groupe Latty’s New Gasket Specially Designed For Triple Offset Butterfly Valve: The new gasket LATTYgraf S is a highly tolerance machined gasket specially designed for double and triple offset butterfly valves.

LATTYgraf S is a multilayer gasket made from a metallic element and compressed graphite in sandwich format. It has high elastic recovery which provides perfect sealing, optimum...

Next Generation In Industrial Breakaway Couplings: Improves efficiency and reduces risk to assets and people

KLAW has launched the next generation in safety industrial breakaway couplings designed to activate in an emergency such as drive-off or extreme pressure flow. Flowbreak contai...

BVAA’s Technical Hot Spot: ISO 5209:1977 General purpose industrial valves - Marking 5 Year Systematic Review

What is it?: This International Standard specifies mandatory and optional markings of general purpose industrial valves and states the manner of applying the markings, i.e. on the...

Valve Technology Taking The Lead In Industrial Workplace Safety

Les Littlewood, Sales Director of Albion Valves UK Ltd discusses how valve technology is taking a lead in industrial workplace safety, and explains how getting the basics right can...

WSG ...The Sum of the Parts: WSG UK Ltd all set to shake up the industry approach.

Mention Well Services Group or WSG to anyone in the industry and there’s instant recognition. We’ve been well known for many years, but did you know that as part of the WSG group o...

New Local Expert For Food & Beverage Sealing Solutions: Dichtomatik UK Ltd becomes the exclusive local provider for Freudenberg Sealing Technologies’ food and beverage sector in the UK.

Freudenberg Sealing Technologies is the world’s leading specialist for high-quality sealing solutions for the food and beverage sector. As Dichtomatik UK Ltd is a part of Freudenbe...

Kent Introl Engineer In-house Vector Upgrade Solution: Kent Introl completes retrofit upgrade for a water injection dump valve manufactured in the mid 90s

Project Overview Kent Introl recently completed a challenging retrofit upgrade for a water injection dump valve operating on an FPSO in the North Sea. The project was undertaken e...

‘Supply chain agility crucial to capitalise on recovering market’ claims Actuated Solutions: Actuated Solutions Ltd emplore the Oil & Gas sector to embrace agile supply chain practices

In February, a month after Brent crude surpassed the $71 marker for the first time in three years, specialist provider of value automation products, Actuated Solutions, is calling ...

Digital Position Control Transmitters: The SMART PST Method

Testing the installed base is an incredibly important aspect of any valve monitoring program, and partial stroke testing (PST) methods are the go-to solution because of the related...

WSG Provalve - Proficiency In Safety and Relief Valves: Relieving real world challenges & pressures are all part of WSG Provalve’s day job.

Periodic maintenance and testing of safety relief valves is a necessary aspect of plant safety and should not be seen as a box ticking exercise to ensure compliance with a relevant...

The Humble Solenoid Valve... A Vital Ingredient In UK’s Food Industry

The food & beverage industry in the UK is worth over £95billion* and accounts for over 50% of all retail sales, making the supply chain one of the most expansive & specialist in th...

ValvTechnologies, Inc.: ITC 2018 Recap: The biennial ValvTechnologies’ International Technical Conference and Users Group (ITC) was held on February 8-9 in Houston, Texas.

Seeking to educate, inspire and engage attendees over a two-day period, the event brought together hundreds of attendees from across the globe to share valuable insight into the se...

Rotork Delivers Customised Solution for Challenging Subsea Applications: Rotork Gears has successfully completed an order from Fluitek Valves

The order was for customised heavy-duty gearboxes to operate 450mm (18") Class 600 subsea ball valves at a depth of 130 to 150m (460 to 490ft) in the Zawtika oil and gas field in t...

Introducing Alco’s New Website & New Range of High Pressure Products: We are pleased to announce the release of our brand new website which will be launched on the 28th February.

This also coincides with the expansion of our already impressive product portfolio to now cover a range of pumps, instrumentation valve fittings, high pressure gauges and our revol...

Trust ARI For Economical Solutions In Control, Isolation, Safety & Steam Trapping: ARI-Armaturen UK Ltd will be exhibiting on stand BV100 in the ‘Valve Zone’ at the Fluid Power & Systems show at the NEC, Birmingham, 10-12 April.

Specialising in equipment for steam, heat transfer and energy management, ARI-Armaturen offers an extensive range of valves, steam traps and engineered systems for numerous applica...

PTFE Diaphragms from ElringKlinger Raise the Bar: High-performance PTFE HS 22121—the ideal material for diaphragm seals

ElringKlinger’s modified fluoropolymer HS 22121 not only combines an extremely broad range of material properties but also significantly exceeds the bending strength and leak tight...

Parker Hannifin signs EFA with Shell for Instrumentation Products: Shell’s Enterprise Framework Agreement covers supply of instrument tubing fittings, manifolds, valves, process-to-instrument valves & related products

Parker Hannifin Corporation, the global leader in motion and control technologies, has signed a new Enterprise Framework Agreement (EFA) with Shell for the provision of instrumenta...

Red Dragon is now Measure Monitor Control

Red Dragon Ltd has recently launched a completely new and rebranded website at measuremonitorcontrol.com that reflects the changes in the business since it was formed in 1998. T...

Severn Glocon Valves Eliminate Control Cavitation at Jazan

Severn Glocon, using their renowned valve engineering capability and experience, have provided their 48″ butterfly valves, complete with full anti-cavitation trims, for cooli...

Customised Rotork Actuators Fulfil Critical Offshore Safety Duties

Rotork Fluid Systems customised linear hydraulic spring-return valve actuators meet the critical safetyrelated specifications for an offshore gas field in the Middle East. These...

IKM Valve Services – Engineered to Operate Under Pressure

IKM Testing Aberdeen is delighted to announce the expansion of its service provision to include IKM Valve Services, which oversees the supply & repair of valve packages and the swi...

Testing at HH Valves

HH Valves have been established as a quality supplier of valves around the World for almost 20 years with our focus & commitment to controlling all aspects of the quality procedure...

BVAA’s Technical Hot Spot: BS EN 736-3 Valves - Terminology - Part 3: Definition of terms 5 Year Systematic Review

What is it?: This European standard defines the terms and their definitions (or the source if defined in other European standards) used for several types of valves or in several f...

Hydravalve (UK) Launches New Website Redesign

The Hydravalve website has recently undertaken a completely new interface & design. The website now has various new features that improves the functionality of the website. Due ...

Approvals of sealing solutions on industrial valves

By virtue of a policy of constant innovation, Groupe Latty, via its Research & Development department, is able to satisfy new requirements and keep pace with changing standards & d...

NeoNickel services the Valve Industry across Europe

NeoNickel is a group of companies supplying high performance alloys for valves used in demanding & hazardous applications, across a wide range of markets. The markets we serve i...

Curtiss-Wright Offers Restricted Lift Options for a Series of Pressure Relief Valve: Curtiss-Wright’s Industrial Division offers restricted lift options for the Farris 2600/2600L series pressure relief valve.

Curtiss-Wright’s Industrial Division has announced that its business unit Farris Engineering will now offer restricted lift on its 2600 and 2600L Series API-type pressure relief va...

BVAA’s Technical Hot Spot: API 6DSS Subsea Pipeline Valves 3rd Edition

What is it?: API 6DSS specifies requirements for the design, manufacturing, quality control, assembly, testing, and documentation of ball, check, gate, plug, and axial on–off valv...

EnDura® V91K Now Approved to Shell MESC SPE 85/301

EnDura® V91K has for many years been trusted to deliver reliable sealing performance in the most critical oil & gas applications. EnDura® V91K is now approved to Shell MESC SPE 85/...

SAFI Show Us Another Solution to Corrosion

Corrosion is a natural process and one of the most evident types is caused by the environment. This break down of material can be caused by something as simple as a saline atmosphe...

The Distributor’s Distributor: Leengate Valves are further proving their commitment to supporting their network of distributors.

A successful start to 2018 has seen Leengate Valves’ daily order processing record broken multiple times already but they’re not letting their success get in the way of them suppor...

Multi-Purpose Safety Relief Valves, for Liquid, Gas & Steam Applications

The Seetru LGS® Safety Relief Valve range represents state-of-the-art design with dual guided spindle as well as the Seetru Rock-Seal™ seal technology for repeatable high performan...

SVS - Total Valve Management on a global scale

Specialist Valve Services is a multifaceted company, offering an unrivalled Total Valve Management (TVM) package on a global scale, saving clients time and money. TVM can involv...

Freudenberg’s Fluoroprene® XP now available in the UK

Fluoroprene® XP, a universal all round sealing material specifically designed for process industry applications is now available in the UK via Dichtomatik UK Ltd, the exclusive pro...

Leengate Valves Partnership With Didtek Valves to Gain Further Momentum in 2018

Leengate Valves have been developing a strong business relationship with Didtek Valves since 2014 and now holds large stocks of Didtek’s valves in its central distribution hub in D...

Sofis Uses Pepperl+Fuchs Sensors for Precise Position Feedback on Manual Valves

Sofis Uses Pepperl+Fuchs Sensors for Precise Position Feedback on Manual Valves VPI provides an overview of manual valve position in plant networks. With a combination of integr...

Webtec Recognises Young Talented Engineer with Arkwright Scholarship

Webtec, the St Ives, Cambridgeshire, based hydraulic measurement & control company have announced sixth-former George Cheeld as this year’s recipient of the Roy Cuthbert Scholarshi...

In 2018, Saunders® Valves Celebrates its 85th Anniversary as a Company

Saunders® is proud to share its excitement in making 2018 a year to reflect on its successes that started with P.K. Saunders’s (company founder’s) 1928 invention of the first diaph...

Versa Adds High Pressure Stainless Steel Filters To The Range Of High Pressure Regulators

Versatile Controls Ltd, who are the sole UK distributors for Versa Valves, announce the addition of the Type AFH-316 series of high pressure stainless steel filters to their range ...

Forged in Sheffield…

Sheffield based forge & raw material experts, Special Quality Alloys Ltd, have a proven track record of manufacturing critical steel products for the world’s most challenging indus...

Latest Parker ‘Smart’ Sensors Support Drive Towards Industry 4.0

Parker Hannifin, the global leader in motion & control technologies, is supporting Industry 4.0 initiatives with its new P8S CPS series of ‘smart’ sensors for pneumatic cylinders. ...

AVS UK Hosts First Training Workshop: Advanced Valve Solutions UK Ltd Celebrates Their First Successful Training Workshop in Crewe

Advanced Valves Solutions (AVS) was established in 1998 to provide solutions to the Power Generation Industry when excessive wear, thermal cracking and stressing became a major pro...

Allvalves Enjoys Consecutive Year-on-Year Growth & Adds Another Major Brand to its Offering.: Now it’s their 7th year, Allvalves Online Ltd are seeing continued growth with 2017 being another successful year for the company.

Having acquired ISO 9001-2015 Quality Accreditation at the end of 2016, this has allowed Allvalves to supply into new customers and applications. Starting back in 2012 with not muc...

Whitford UK’s Guide to Fluoropolymer Coatings

The successful application of advanced fluoropolymer coatings depends on a number of important factors. Whitford UK explains how to avoid some of the main pitfalls and outlines how...

Need Precision Valve Engineering? Try the Experts: We value hugely experienced suppliers because they have the knowledge & skills to do a quality job in even the most challenging circumstances.

Marry those core requirements to the best tools available, and that’s a winning combination! Hobbs Precision Engineering (HPE) – part of the Great British Valve Group - have ma...

Valve User Magazine Issue 44
Spring 2018 // Issue 44
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