The DCV41 is an austenitic stainless steel disc check valve available with either screwed or socket weld end connections. Its function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems.

A range of austenitic stainless steel split disc check valves in a wafer pattern suitable for fitting between ASME (ANSI) Class 150 and Class 300, JIS / KS 10K and 20K flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. The face-to-face dimension of the SDCV4 conforms to API 594 and seat leakage to API 598. As standard the valve has a metal-to-metal seat. A Fluoroelastomer soft seat and heavy spring are also available.

A range of austenitic stainless steel split disc check valves in a wafer pattern suitable for fitting between PN16 and PN40 flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. The face-to-face dimension of the SDCV8 conforms to API 594 and seat leakage to API 598. As standard valves have a metal-to-metal seat. A Fluoroelastomer soft seat and heavy spring are also available.

The BCV1 and BCV20 valves are small bore, normally closed valves with a brass body and corrosion resistant internal components. They are primarily intended for low and medium pressure boiler blowdown applications. BCV1 and BCV20 valves are i dentical apart from the orifice size, the BCV1 having a 3 mm ( 1 / 8 ") orifice and the BCV20 a 6 mm ( ¼ ") orifice. Valves are supplied complete with a mains connector, which is protected to IP65 and is suitable for 3 x 1 mm ² (18 AWG) cable.

The BCV1 and BCV20 valves are small bore, normally closed valves with a brass body and corrosion resistant internal components. They are primarily intended for low and medium pressure boiler blowdown applications. BCV1 and BCV20 valves are i dentical apart from the orifice size, the BCV1 having a 3 mm ( 1 / 8 ") orifice and the BCV20 a 6 mm ( ¼ ") orifice. Valves are supplied complete with a mains connector, which is protected to IP65 and is suitable for 3 x 1 mm ²(18 AWG) cable.

Description

The 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.

Note: The Spirax Sarco DCV3HE is similar in specification and appearance, but has a slightly different seat design. We only recommend the DCV3/B for boiler feedwater applications.

Standards

Designed and manufactured in accordance with BS 7438.

Standard shut-off

Shut-off standard meets EN 12266-1 rate A, providing a differential pressure exists.

Certification

These products are available with a Typical Test Report. The products are also available with certification to EN 10204 3.1.

Note: All certification / inspection requirements must be stated at the time of order placement.

The LCV1 is a bronze lift check valve which is installed in horizontal lines to prevent reverse flow.

The DCV10 (cast stainless steel) and DCV10C (zinc plated cast carbon steel) are wafer pattern disc check valves that have been designed to be sandwiched between flanges for use with pumps and general cycling applications. They are suitable for use on a wide range of fluids for applications in process lines, hot water systems, steam and condensate systems etc. The centrally guided design ensures improved life span of the unit plus more reliability when compared to traditional disc check valves. These disc check valves will ensure correct flow of condensate and other suitable fluids whilst also preventing reverse flow - maintaining production and profit at all times.

A range of carbon steel split disc check valves in a wafer pattern suitable for fitting between ASME (ANSI) Class 150 and Class 300, JIS / KS 10K and 20K flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. The face-to-face dimension of the SDCV3 conforms to API 594 and seat leakage to API 598. As standard valves have a metal-to-metal seat. A Fluoroelastomer soft seat and heavy spring are also available.

A range of carbon steel split disc check valves in a wafer pattern suitable for fitting between PN16 and PN40 flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. The face-to-face dimension of the SDCV7 conforms to API 594 and seat leakage to API 598. As standard valves have a metal-to-metal seat. A Fluoroelastomer soft seat and heavy spring are also available.

The DCV3 and DCV3LT disc check valves are of the wafer pattern designed to be sandwiched between flanges. They are suitable for use on a wide range of fluids for applications in process lines, hot water systems, steam and condensate systems etc. Face-to-face dimensions conform to EN 558 part 1, series 49. As standard they will be supplied with a metal-to-metal seat for use on steam applications. Where they are being used on oil, air, gas and water applications, alternative seat material is available.

The DCV1 disc check valve is of the wafer pattern designed to be sandwiched between flanges. It is suitable for use on a wide range of fluids for applications in process lines, hot water systems, steam and condensate systems etc. Face-to-face dimensions conform to EN 558 part 1, series 49.

As standard it will be supplied with a metal-to-metal seat for use on steam applications. Where it is being used on oil, air, gas and water applications, alternative seat material is available - see 'Optional extras'.

The DCV4 stainless steel disc check valve is of the wafer pattern designed to be sandwiched between ASME flanges. It is suitable for use on a wide range of fluids for applications in process lines, hot water systems, steam and condensate systems etc.

Face-to-face dimensions conform to EN 558 part 2, series 52. As standard it will be supplied with a metal-to-metal seat for use on steam applications. Where it will be used on oil, air, gas and water applications, alternative seat material is available.

The DCV6 stainless steel disc check valve is of the wafer pattern designed to be sandwiched between flanges. It is suitable for use on a wide range of fluids for applications in process lines, hot water systems, steam and condensate lines etc. They have an increased gasket face area compared to the DCV3, with face-to-face dimensions conforming to EN 558 part 2, series 52. As standard it will be supplied with a metal-to-metal seat for use on steam applications. Where it is being used on oil, air, gas and water applications, alternative seat material is available - see 'Optional extras'.

Note: Wafer check valves are not suitable for use where heavily pulsating flow exists, such as close to a compressor.

DCV8 disc check valves are of a wafer pattern, designed to be sandwiched between DIN 2501 and EN 1092 flanges. Their function is to prevent reverse flow on a wide variety of fluids. The DCV8 is designed for use with agressive fluids, vapours, acids and alkalines at high pressures and temperatures. The valves are provided with an M8 threaded tapping for product earthing and conform to EN 558 part 1, series 49.

The LCV3, LCV4, LCV6 and LCV7 lift check valves are designed in accordance with EN 12516 and ASME B16.34 to prevent reverse flow in the installations. The design of these valves allows them to be easily serviced without removing the valve from the pipeline.

The LCV3, LCV4, LCV6 and LCV7 lift check valves are designed in accordance with EN 12516 and ASME B16.34 to prevent reverse flow in the installations. The design of these valves allows them to be easily serviced without removing the valve from the pipeline.

The LCV3, LCV4, LCV6 and LCV7 lift check valves are designed in accordance with EN 12516 and ASME B16.34 to prevent reverse flow in the installations. The design of these valves allows them to be easily serviced without removing the valve from the pipeline.

The LCV3, LCV4, LCV6 and LCV7 lift check valves are designed in accordance with EN 12516 and ASME B16.34 to prevent reverse flow in the installations. The design of these valves allows them to be easily serviced without removing the valve from the pipeline.

The CVS10 sanitary in-line spring assisted check valve is manufactured from 316L stainless steel and prevents reverse flow in fluid lines. The CVS10 with metal seat is designed for steam applications or other aggressive applications where a soft seat is not suitable, within the food, medical and pharmaceutical industries.

For water, process fluid and gas applications soft-seated versions with EPDM, Viton or FEP-Silicone seats are available - See Technical Information sheet TI-P029-10 for further dat

The DCV10 (cast stainless steel) and DCV10C (zinc plated cast carbon steel) are wafer pattern disc check valves that have been designed to be sandwiched between flanges for use with pumps and general cycling applications. They are suitable for use on a wide range of fluids for applications in process lines, hot water systems, steam and condensate systems etc. The centrally guided design ensures improved life span of the unit plus more reliability when compared to traditional disc check valves. These disc check valves will ensure correct flow of condensate and other suitable fluids whilst also preventing reverse flow - maintaining production and profit at all times.

The Spirax Sarco BCV30 is an electrohydraulically actuated control valve for the blowdown of steam boilers or for other high pressure drop, low flowrate applications. It is generally used with a blowdown controller as part of an automatic TDS control system.

The flowrate is adjusted by limiting the spindle stroke to regulate the number of orifices that are uncovered.

The valve, which is supplied adjusted to its low flowrate setting of 10 mm stroke, is specially designed to minimise seat erosion and ensure consistent tight shut-off.

It can be adjusted to give 15 mm stroke for medium flowrates, or to 20 mm stroke for high flowrates, by repositioning the internal cam. A valve position indicator is provided.

The valve can be opened manually by turning the actuator handwheel clockwise.

A ¼ " plug at the base of the valve may be removed to allow a sample cooler to be fitted (available from Spirax Sarco).

Operation: The valve is spring loaded to the closed position. When power is applied to the actuator the valve opens to the position set by the internal limit switch. Stroking time for the full 20 mm stroke is approximately 2 minutes to open and 8 seconds to close

The Spirax Sarco BCV30 is an electrohydraulically actuated control valve for the blowdown of steam boilers or for other high pressure drop, low flowrate applications.

It is generally used with a blowdown controller as part of an automatic TDS control system.

The flowrate is adjusted by limiting the spindle stroke to regulate the size of the orifice uncovered.

The valve, which is supplied adjusted to a flowrate setting of 10 mm stroke, is specially designed to minimise seat erosion and ensure consistent tight shut-off.

It can be adjusted to give differ ent flowrates, by repositioning the internal cam. A valve position indicator is provided.

The valve can be opened manually by turning the actuator handwheel clockwise. A ¼ " plug at the base of the valve may be removed to allow a sample cooler to be fitted (available from Spirax Sarco).

Operation:

The valve is spring loaded to the closed position.

When power is applied to the actuator the valve opens to the position set by the internal limit switch. Stroking time for the full 20 mm stroke is approximately 2 minutes to open and 8 seconds to close.

The Spirax Sarco BCV31 is a pneumatically operated control valve for the blowdown of steam boilers. It is normally used with a controller as part of an automatic TDS control system, though it can also be used for other high pressure drop, low flowrate applications.

The flowrate is adjusted by limiting the spindle stroke to regulate the number of orifices that are uncovered.

The valve, which is specially designed to minimise seat erosion and ensure consistent tight shut-off, is supplied adjusted to its low flowrate setting of 10 mm.

It can be adjusted to give 15 mm stroke for medium flowrates, or to 20 mm stroke for high flowrates. The actuator has a mechanical stroke indicator and incorporates a rolling diaphragm.

A ¼ " BSP plug at the base of the valve may be removed to allow a sample cooler to be fitted (available from Spirax Sarco).

The BCV31 requires a regulated and filtered air supply (¼" NPT), which should be free of oil and water, and a solenoid valve, (available from Spirax Sarco).

Operation:

The valve is spring loaded to the closed position (spring retract), and is also held closed by the boiler pressure. When the solenoid valve opens, air is admitted to the actuator causing the valve to open to the selected stroke.

The Spirax Sarco BCV31 is a pneumatically operated control valve for the blowdown of steam boilers. It is normally used with a controller as part of an automatic TDS control system, though it can also be used for other high pressure drop flowrate applications.

The flowrate is adjusted by limiting the spindle stroke to regulate the size of the orifice that is uncovered.

The valve, which is specially designed to minimise seat erosion and ensure consistent tight shut-off, is supplied adjusted to a flowrate setting of 10 mm.

It can be adjusted to give different flowrates. The actuator has a mechanical stroke indicator and incorporates a rolling diaphragm. A ¼ " BSP plug at the base of the valve may be removed to allow a sample cooler to be fitted (available from Spirax Sarco).

The BCV31 requires a regulated and filtered air supply ( ¼ " NPT), which should be free of oil and water, and a solenoid valve, (available from Spirax Sarco).

Operation:

The valve is spring loaded to the closed position (spring retract), and is also held closed by the boiler pressure. When the solenoid valve opens, air is admitted to the actuator causing the valve to open to the selected stroke.

The TCO1 is a temperature sensitive device fitted downstream of the steam / water mixing valve on ½ " and ¾ " hosedown stations. The TCO1 is only suitable for the ½ " and ¾ " mixing valves. This temperature cut-out valve activates at a temperature of 95 ° C to limit the discharge of steam in the event of a system fault.

The Spirax Sarco vacuum breaker range will protect your plant and process equipment against vacuum, and at the same time allow condensate to drain effectively from pipework and storage vessels.

The Spirax Sarco vacuum breaker range will protect your plant and process equipment against vacuum, and at the same time allow condensate to drain effectively from pipework and storage vessels.

WCV1, WCV2 and WCV3 wafer check valves are designed to be sandwiched between flanges.They are specifically designed for use on applications where there is a high proportion of particles in the liquid e.g. sewage, paper mills, sludges etc. The standard seating ring is EPDM.

WCV1, WCV2 and WCV3 wafer check valves are designed to be sandwiched between flanges.They are specifically designed for use on applications where there is a high proportion of particles in the liquid e.g. sewage, paper mills, sludges etc. The standard seating ring is EPDM.

WCV1, WCV2 and WCV3 wafer check valves are designed to be sandwiched between flanges.They are specifically designed for use on applications where there is a high proportion of particles in the liquid e.g. sewage, paper mills, sludges etc. The standard seating ring is EPDM.