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Flansch Rückschlagvenilte-Rückschlagklappe

Flanged Check Valve

A non-return valve or one-way valve is a valve that normally allows the flow of fluid (liquid or gas) in only one direction. 
Flange connection check valves or non-return valves are two-way valves, i.e. they have two openings in the body, one for the inlet and one for the outlet of the fluid. There are different types of check valves that are used in a variety of applications. There are different check valve seals such as NBR, EPDM, FPM-VITON and PTFE. These seals can be selected depending on the application such as temperature, medium and others. 
An important concept for non-return valves is the opening pressure, i.e. the minimum differential pressure between the inlet and outlet at which the valve operates. As a rule, the check valve is designed for a certain opening pressure and can therefore be specified for this.

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Zwischenflach Rückschlagklappe Flansch
ZV116 Flanged non-return valve DN 200 PN16 grey cast iron spring-loaded Product number: 300-0116-16
Flanged non-return valve DN 200 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of grey cast iron EN-JL1040, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +300°C, Kvs: 690 m³/h
Nominal width :
DN200 - 8'' inch
Body:
Grey Cast Iron (GG25)

€1,749.00*

€2,081.31 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Flansch Rückschlagventile aus Edelstahl
RV450 Flanged non-return valve DN 80 PN40 stainless steel spring-loaded Product number: 300-4021-11
Flanged non-return valve DN 80 made of stainless steelNominal pressure: PN40, face-to-face dimension to EN 558-1, series 1, flange connection PN40 with type B1, EN 1092-1, body/cover made of stainless steel 1.4408, disc made of F316, spring made of stainless steel SSS316. Cover gasket made of SSS304 + graphite, operating temperature range -10°C to +450°C
Nominal width :
DN80 3'' inch
Body:
Stainless Steel (1.4408)

€504.00*

€599.76 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV116 Flanged non-return valve DN 40 PN16 grey cast iron spring-loaded Product number: 300-0116-08
Flanged non-return valve DN 40 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of grey cast iron EN-JL1040, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +300°C, Kvs: 30 m³/h
Body:
Grey Cast Iron (GG25)
Nominal width :
DN40 - 1 1/2'' inch

€105.00*

€124.95 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV216 Flanged non-return valve DN 80 PN16 spheroidal cast iron spring-loaded Product number: 300-0216-11
Flanged non-return valve DN 80 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of spheroidal graphite cast iron EN-JS1025, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057, cover seal made of graphite, operating temperature range +2°C to +350°C, Kvs: 115 m³/h
Body:
Ductile Cast Iron (GGG40.3)
Nominal width :
DN80 3'' inch

€355.00*

€422.45 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV116 Flanged non-return valve DN 20 PN16 grey cast iron spring-loaded Product number: 300-0116-05
Flanged non-return valve DN 20 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of grey cast iron EN-JL1040, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +300°C, Kvs: 7.4 m³/h
Body:
Grey Cast Iron (GG25)
Nominal width :
DN20 - 3/4'' inch

€62.50*

€74.38 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV116 Flanged non-return valve DN 150 PN16 grey cast iron spring-loaded Product number: 300-0116-14
Flanged non-return valve DN 150 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of grey cast iron EN-JL1040, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +300°C, Kvs: 364 m³/h
Body:
Grey Cast Iron (GG25)
Nominal width :
DN150 - 6'' inch

€713.00*

€848.47 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV116 Flanged non-return valve DN 50 PN16 grey cast iron spring-loaded Product number: 300-0116-09
Flanged non-return valve DN 50 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of grey cast iron EN-JL1040, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +300°C, Kvs: 41 m³/h
Nominal width :
DN50 - 2'' inch
Body:
Grey Cast Iron (GG25)

€128.00*

€152.32 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV216 Flanged non-return valve DN 32 PN16 spheroidal cast iron spring-loaded Product number: 300-0216-07
Flanged non-return valve DN 32 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of spheroidal graphite cast iron EN-JS1025, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +350°C, Kvs: 18 m³/h
Body:
Ductile Cast Iron (GGG40.3)
Nominal width :
DN32 - 1 1/4'' inch

€150.00*

€178.50 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV216 Flanged non-return valve DN 65 PN16 spheroidal cast iron spring-loaded Product number: 300-0216-10
Flanged non-return valve DN 65 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of spheroidal graphite cast iron EN-JS1025, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +350°C, Kvs: 79 m³/h
Body:
Ductile Cast Iron (GGG40.3)
Nominal width :
DN65 - 2 1/2'' inch

€273.50*

€325.46 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV216 Flanged non-return valve DN 40 PN16 spheroidal cast iron spring-loaded Product number: 300-0216-08
Flanged non-return valve DN 40 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of spheroidal graphite cast iron EN-JS1025, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +350°C, Kvs: 30 m³/h
Body:
Ductile Cast Iron (GGG40.3)
Nominal width :
DN40 - 1 1/2'' inch

€154.00*

€183.26 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Flansch Rückschlagventil
RV430 Flanged non-return valve DN 50 PN40 cast steel spring-loaded Product number: 300-4010-09
Flanged non-return valve DN 50 made of steelNominal pressure: PN40, face-to-face dimension to EN 558-1, series 1, flange connection PN40 with type B1, EN 1092-1, body/cover made of steel 1.0619, disc made of 13Cr, spring made of stainless steel SSS304. Cover gasket made of SSS304 + graphite, operating temperature range -10°C to +400°C
Nominal width :
DN50 - 2'' inch
Body:
Steel (1.0619)

€122.00*

€145.18 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Flansch Rückschlagventil
RV430 Flanged non-return valve DN 40 PN40 Cast steel spring-loaded Product number: 300-4010-08
Flanged non-return valve DN 40 made of steelNominal pressure: PN40, face-to-face dimension to EN 558-1, series 1, flange connection PN40 with type B1, EN 1092-1, body/cover made of steel 1.0619, disc made of 13Cr, spring made of stainless steel SSS304. Cover gasket made of SSS304 + graphite, operating temperature range -10°C to +400°C
Body:
Steel (1.0619)
Nominal width :
DN40 - 1 1/2'' inch

€98.00*

€116.62 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV216 Flanged non-return valve DN 80 PN16 spheroidal cast iron spring-loaded Product number: 300-0216-12
Flanged non-return valve DN 80 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of spheroidal graphite cast iron EN-JS1025, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057, cover seal made of graphite, operating temperature range +2°C to +350°C, Kvs: 115 m³/h
Nominal width :
DN100 - 4'' inch
Body:
Ductile Cast Iron (GGG40.3)

€600.00*

€714.00 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV116 Flanged non-return valve DN 80 PN16 grey cast iron spring-loaded Product number: 300-0116-11
Flanged non-return valve DN 80 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of grey cast iron EN-JL1040, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +300°C, Kvs: 115 m³/h
Body:
Grey Cast Iron (GG25)
Nominal width :
DN80 3'' inch

€281.00*

€334.39 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Zwischenflach Rückschlagklappe Flansch
ZV216 Flanged non-return valve DN 25 PN16 spheroidal cast iron spring-loaded Product number: 300-0216-06
Flanged non-return valve DN 25 spring-loadedNominal pressure: PN16, face-to-face dimension to EN 558-1, series 1, flange connection PN16 with coarse sealing strip type B1, EN 1092-2, body made of spheroidal graphite cast iron EN-JS1025, disc cone made of stainless steel 1.4028, seat made of stainless steel 1.4006, spring made of stainless steel 1.4057. Cover seal made of graphite, operating temperature range +2°C to +350°C, Kvs: 13 m³/h
Nominal width :
DN25 - 1'' inch
Body:
Ductile Cast Iron (GGG40.3)

€121.50*

€144.58 incl. VAT
Delivery time: in stock

Available, delivery time: in stock

Flansch Rückschlagventil
RV430 Flanged non-return valve DN 25 PN40 Cast steel spring-loaded Product number: 300-4010-06
Flanged non-return valve DN 25 made of steelNominal pressure: PN40, face-to-face dimension to EN 558-1, series 1, flange connection PN40 with type B1, EN 1092-1, body/cover made of steel 1.0619, disc made of 13Cr, spring made of stainless steel SSS304. Cover gasket made of SSS304 + graphite, operating temperature range -10°C to +400°C
Nominal width :
DN25 - 1'' inch
Body:
Steel (1.0619)

€62.00*

€73.78 incl. VAT
Delivery time: in stock

Available, delivery time: in stock