Check valves

Feed-through with check valve, without hose screw, white nylon and black vinyl flap, diameter 73 mm for hose.

Made of brass, polymer seal and stainless steel spring.

Can be installed vertically or horizontally. Brass, polymer seal and stainless steel spring.

For three selectable hose sizes.

For three selectable hose sizes.

Made of brass, polymer seal and stainless steel spring.

Plastic check valve with functional design. In addition, it can be disassembled with a simple handle for cleaning the membrane. The hose connections can be cut to obtain a larger diameter, 32/38 mm.

Brass with strainer for 1” hose

TruDesign check valve. Made of glass fiber reinforced polymer composite, spring is made of stainless steel. Very little pressure is required to open the valve. Minimum flow rate limitation. Simple installation with marking on the check valve indicating which direction the flow is. It is recommended to put a filter in the incoming water to prevent dirt from getting stuck in the check valve.

Check valve 1 1/4”, 32 mm.

Designed for harsh marine and agricultural environments, among others, TruDesign check valves are made of UV-stabilized, glass-reinforced nylon. They can be installed in-line to prevent water backflow or sloshing, and have an extremely low burst pressure.

Designed for harsh marine and agricultural environments, among others, TruDesign check valves are made of UV-stabilized, glass-reinforced nylon. They can be installed in-line to prevent water backflow or sloshing, and have an extremely low burst pressure.

Durable check valve for use with manual or electric pumps. Prevents water from flowing back when the pumps stop. Hose sizes, 19mm (3/4") / 25mm (1"). Made of polypropylene and valves made of nitrile

Durable check valve that can be used with manual or electric pumps. Prevents water from flowing back when the pump stops. Hose sizes, 25mm (1") / 38mm (1 1/2"). Made of polypropylene and valves made of nitrile.

Check valve 15 mm.

WHALE-15 Quick Connection fresh and salt water system for both cold and warm water. Easy to install domestic water system for boats, campers. All parts are nylon. The hot water line is red and the cold water line is blue. The entire system is guaranteed to 4 bar pressure, and all materials are approved for food use. The set includes connectors suitable for all Whale pantry products, which are also suitable for many other well-known pantry brands.

Suitable for use with electric bilge pumps. Suitable hose Ø 13mm.