KSB expands its control valve range BOA-CVE/CVP H by launching a cast steel variant
The new valves are primarily used in industrial, process and plant engineering applications, i.e. applications requiring the control of liquid flows.
The valves can be dismantled without any special tools by simply unscrewing the bonnet bolts. This enables the user to replace the entire valve trim and match it to different control requirements. The valve trim includes a wide range of different seat and plug diameters available for all nominal diameters. Both equal-percentage and linear characteristic valve plugs are on offer.
The valve seat is designed such that it can be used on both sides. Should the seat become damaged, it is sufficient to simply turn it over instead of replacing it. The valves also feature parabolic plugs, perforated plugs and multi-hole cages to tackle cavitation and noise problems. Valve manufacturer KSB offers a soft-seated valve plug variant for stringent tightness requirements.
Stem sealing on standard variants is ensured by a maintenancefree spring-loaded PTFE V-packing, and graphite gland packings are used for temperatures above 250°C. Balanced plugs are available on request for valves larger than DN 50 and allow the use of small, inexpensive actuators.
The operator can choose between electric and pneumatic actuation. The electric actuators offer input and output signals from 0/2 to 10 V or 0/4 to 20 mA. In addition, 3-point (Open/Stop/ Closed) actuation for straightforward control applications is also available. The actuators which are available in five sizes and as 24 V, 230 V and 400 V variants have maximum actuating forces of 25,000 Newton. The pneumatic diaphragm actuators come in three sizes and have a maximum actuating force of 55,000 Newton.
For Further information contact our KSB UK Loughborough sales office.
Tel: +44 (0) 1509 220 196
Published in Valve User Magazine Issue 42
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