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Boiler Feed Check Valve
Brand: Spirax SarcoThe Spirax Sarco DCV3/B boiler feed check valve is designed specifically for use on boiler feedwater systems.
It is a stainless steel disc check valve with a soft EPDM seat to ensure tight shut-off against boiler pressure, even under poor water conditions.
The DCV3/B is normally installed between flanges in the boiler feed water line.
Cast-in lugs on the valve body allow the valve to be centralised easily. Face-to-face dimensions conform to EN 558 part 1, series 49.
Designed and manufactured in accordance with BS 7438.
Shut-off standard meets EN 12266-1 rate A, providing a differential pressure exists.
Specifications
Brand
Body Design Conditions
- PN 40
Maximum Body Design Temperature
- 400° C
Minimum Allowable Temperature
- -10° C
Maximum Boiler Pressure
- 32 bar g.
Maximum Feedpump Pressure
- 40 bar g.
Maximum Feedwater Temperature
- 120° C
Maximum Feedwater Head
- 6 m.
Approximate Opening Pressure
- 0.8 bar g.
Designed for a Maximum Cold Hydraulic Test Pressure
- 60 bar g.
Materials
- Body: Austenitic stainless steel, WS 1.4581
- Disc: Austenitic stainless steel, BS 1449 316 S11
- Spring Retainer: Austenitic stainless steel, BS 1449 316 S11
- Spring: Austenitic stainless steel, BS 2056 316 S42
- Seat: EPDM