Backflow check valves

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poppet check valve
poppet check valve
RUF3

DN: 25 mm - 100 mm
Pressure: 10 bar
Temperature: 140, 135 °C

The RUF Series Check Valve is used in places where a return flow of product in pipelines must be avoided. This check valve is utilized in brewery, dairy, chemical and ...

disc check valve
disc check valve
VPN

DN: 25 mm - 100 mm

The DELTA VPN check valve is used in places at which the reflux of liquids into the pipeline must be prevented. The valve opens through the pressure of the liquid against the spring-loaded ...

plastic housing check valve
plastic housing check valve
C series

DN: 2.5 mm - 8 mm
Pressure: 0 bar - 6 bar
Temperature: 0 °C - 149 °C

... Press-In Check Valve fits into many common plastic fittings. Lastly, our new 855 LC2 Series Press-In Check Valve offers more than a 65% increase in flow capacity over ...

poppet check valve
poppet check valve
CH series

DN: 0.125 in - 1 in
Pressure: 0 bar - 551.6 bar
Temperature: -85 °C - 225 °C

... line-up of poppet-style check valves offers exceptionally high flow capacity for their size compared to ball-style valves. In some cases, the poppet-style valve provides ...

poppet check valve
poppet check valve
CH series

DN: 0.125 in - 0.5 in
Pressure: 8,000 psi
Flow rate: 0 us gal/min - 0.8 us gal/min

This miniature high pressure check valve is only .125” in diameter and .52” in length. This check valve’s robust design allows it to prevent backflow ...

threaded non-return valve
threaded non-return valve
ULTRA 10

DN: 0.5 in
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 70 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve ...

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WITT-Gasetechnik
threaded non-return valve
threaded non-return valve
ULTRA 30

DN: 1.5 in
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 70 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve ...

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WITT-Gasetechnik
DIN non-return valve
DIN non-return valve
ULTRA 40

DN: 2.5 in
Pressure: 0 bar - 20 bar
Temperature: -20 °C - 70 °C

... non-return valves for reliable protection against dangerous reverse gas flow. Flow-optimised valve system causes very low pressure drop at minimal noise emission. Every non-return valve ...

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WITT-Gasetechnik
piston check valve
piston check valve

DN: 1 in - 20 in

Designed to prevent backflow, the M&J Valves Piston Controlled Check Valve is silent in operation and has no flapper to hammer against the seat. Features The patented ...

piston check valve
piston check valve

DN: 1 in - 20 in

... and down in the cylinder with flow surges. As flow pressure is reduced, the piston softly settles on the seat to prevent backflow. Opening and closing actions are positively controlled to minimize pulsation and to eliminate ...

ball check valve
ball check valve
ASV series

DN: 15 mm
Pressure: 4, 10 bar
Temperature: 20, 60 °C

... supply via an integrated ball valve John Guest push-fit acetal angle stop valve isolates an appliance or fixture branch feed without affecting the main supply line. The valve includes ...

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JOHN GUEST
lift check valve
lift check valve
CHV-LF

DN: 50 mm - 300 mm
Pressure: 16 bar - 160 bar

... type check valve body material: Carbon steel /Stainless steel / Alloy steel /Special ( Monel /Inconel /Hastelly etc.) end connection: RF/RTJ/BW operation: product overview:Athena supplies a complete ...

lift check valve
lift check valve
CHF

DN: 2 in - 12 in
Pressure: 0 bar - 20 bar
Temperature: -15 °C - 80 °C

Model CHF, The Silent Check Valve plays an important role on piping, especially applied on the outlet of the pump. The silent check valve applied should be carefully ...

ball check valve
ball check valve
CV-062 Series

Pressure: 30 psi
Temperature: 40 °C - 150 °C

CV-062 SERIES Check Valve A check valve is a type of valve that allows fluids to flow in one direction but closes automatically to prevent flow in ...

ball check valve
ball check valve
CV-125 Series

Pressure: 100 psi
Temperature: 40 °C - 150 °C

CV-125-Check-Valve A check valve is a type of valve that allows fluids to flow in one direction but closes automatically to prevent flow in the opposite ...

ball check valve
ball check valve
2142

DN: 10 mm - 50 mm
Pressure: 63 psi
Temperature: -328 °F - 392 °F

The non-return valves are used in pipelines for the storage, transport and production of liquid gases and provide protection against the unintentional backflow of gases or liquids. The check ...

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Goetze KG Armaturen
piston check valve
piston check valve

DN: 1 in - 20 in

... and down in the cylinder with flow surges. As flow pressure is reduced, the piston softly settles on the seat to prevent backflow. Opening and closing actions are positively controlled to minimize pulsation and to eliminate ...

disc check valve
disc check valve
221

DN: 150 mm - 1,600 mm
Pressure: 10, 16, 25 bar

ACMO tilting disc check valves are installed in pumping applications to prevent backflow in the system. All interior parts are stainless steel or coated with drinking water approved epoxy. ...

disc check valve
disc check valve
72700 series

DN: 25 mm - 100 mm
Pressure: 10 bar
Temperature: -10 °C - 140 °C

A check valve, or non return valve, is a valve that prevents the fluid from flowing backwards and ensures that it flows in only one direction. It can be used to prevent ...

safety non-return valve
safety non-return valve
40002BA

To avoid the backflow of materials up to category 4 into the drinking water installation, the backflow preventer BA (acc. to DIN EN 1717 a “backflow preventer with a controllable middle ...

cartridge check valve
cartridge check valve
49.0xx.x26

DN: 0.25 in
Pressure: 0 bar - 10 bar
Temperature: 5 °C - 90 °C

... In this case a check valves, installed between the water distribution system and the mains water supply, closes automatically and prevents any back flow, back suction or back pressure. The inspection ...

poppet check valve
poppet check valve
CK4 series

DN: 32, 20, 25, 15 mm
Pressure: 34.5 bar

The Type CK4A Check Valves prevent backward flow of fluid in refrigerant suction, hot gas or liquid lines. Parker’s CK4 check valves are designed to be close coupled ...

ball check valve
ball check valve
CVH201P65V

Pressure: 420 bar
Temperature: -37 °C - 204 °C
Flow rate: 1.6 l/min - 500 l/min

... psi), Parker’s poppet and ball style check valves have a simple and robust design which are used to block flow in one direction, and allow flow in the opposite. Parker’s robust poppet and ball style ...

disc check valve
disc check valve
CK series

DN: 15 mm - 50 mm
Pressure: 0 bar - 16 bar
Temperature: 0 °C - 220 °C

... Check valves utilize a mechanical sealing mechanism to prevent backflow. By providing a tight seal, backflow is safely avoided. Easy to Use Compact ...

swing check valve
swing check valve
S-413-LF series

DN: 0.5 in - 2 in
Pressure: 13.8 bar

... The swing check valve prevents backflow by automatically closing when fluid reverses direction. The check valve features a Y-pattern design with renewable ...

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NIBCO
ball check valve
ball check valve
KR

DN: 25 mm - 80 mm
Pressure: 16 bar
Temperature: -40 °C - 200 °C

... hazardous applications. Check valves are used for prevention of back flow on liquid columns in front of pumps with solid balls. In liquids and gases as overflow protection with hollow balls. In conjunction ...

ball check valve
ball check valve
RV series

DN: 80, 46, 60, 32 mm
Pressure: 300 bar - 3,200 bar
Flow rate: 0 l/min - 1,000 l/min

Check valves prevent a reversal of the specified direction of flow and thus a backflow of the delivery medium to be pumped. Special features: VA version, compact design. Throttle check ...

ball check valve
ball check valve
A0010-1-1 series

DN: 0.25, 0.375, 0.5, 0.75, 1 mm
Pressure: 2,500 psi
Temperature: -15 °F - 650 °F

Single Ball Check Valve, High Viscosit 316 stainless steel with pinned end No spring Easily disassembled for inspection and cleaning MNPT x MNPT (male to male) Ideal for high viscosity chemical and ...

backflow check valve
backflow check valve
ARV

... The vacuum controlled check valve (ARV) is a pneumatically operated on-off valve featuring low pressure loss. To activate this valve, vacuum from the intake manifold ...

ball check valve
ball check valve
VN 3000 series

DN: 0.5 in
Pressure: 16 bar
Temperature: 4 °C - 100 °C

Brass ball valves with incorporated stainless steel filter, check valves, a blend of manometer and darin. Ball valves are multipurpose for the hydraulic system. Valve ...

lift check valve
lift check valve

DN: 50 mm - 400 mm

... available with this valve. Features 1.The valve disc moves up and down along the midline of the valve body. Under the pressure of the fluid which flows in one direction, the valve ...

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Henan Quanshun Flow Control Science and Technology Co.,Ltd
disc check valve
disc check valve
FFC

DN: 18 in - 56 in
Temperature: 780 °C

The fluidised catalytic cracking (FCC) air blower line check valves are used to prevent the backflow of catalyst from the regenerator. IMI Remosa’s check valves ...

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