Reviews Diaphragm Valves

VOL 3 inch Water Valve Rubber Diaphragm for Inline Valve

Will last a long time without rusting/leaking. High-quality shut-off valves in the food industry or in the home or garden.
Fliud working temperature: -10 degrees Celsius to 150 degrees Celsius.

used in delivery and transfer of liquid applications up to 3 GPM (11.4LPM).
1/2" MPT, 115VAC 60Hz, non-corded 3 wires, built-in check valve prevents back flow of fluid.
built-in pressure switch, turn on/off at 45psi, adjustable pressure setting.

3.6 GPM open flow, Viton valves, Santoprene diaphragm, 45 PSI Demand Switch 1/2" MSPT ports (1/2" - 14 National American Straight Pipe Thread, requires SHURflo swivel type fittings)..

The 4.5 GPM demand pump with improved features can pump up to 60 PSI and features 15 Amps fuse, Viton valves, Santoprene diaphragm and an internally fan cooled motor which delivers consistent performance under heavy load.
Chemically resistant elastomers provide increased flow rate delivering superior performance. Approved for use with Roundup.
Increased motor life, optimized chamber flow, improved built-in check valves which help maintain pressure and prevent backflow.
Running dry will not damage pump or limit reliability.
The 12 Volt DC power demand pump fits most popular sprayers. Replaces pump part numbers 5281372, 5275088, 5277982, 5275704, 5275498, 5274983 and 5275017.

12V, 2.2 GPM NorthStar NSQ Series on-demand pump generates 70 PSI.
100% continuous duty oversized electric pump motor — no down time waiting for the motor to cool.
Patented DXS-3 pump valves are made with chemical-resistant Viton for faster priming, better performance and longer life.
Santoprene diaphragm has superior reliability and chemical resistance.
Regulator, pressure gauge and deluxe trigger spray gun for fine tuning of spray pressure.

【Material】The one way check valves are made of PVDF, and the Diaphragm material is silicon rubber..
【Function】 These 1/2 Inch check valves are applicable for fluid systems to stop countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air..
【Size】Diameter: 1/2"barb, can fit 1/2" hose ID.
【Performance】Strong Resistance to acid, alkali, salt corrosion ability, can be used for different types of liquid.Normal performance under 25 ℃ to 60 ℃..
【Wide Application】Widely used in water treatment, air purification, automotive parts, machinery industry, medical equipment, household appliances and other fields..

Durable, elastomeric facepieces are designed for a wide range of applications. Full facepiece is made of silicone and features a double-flap faceseal and (6) easy-adjusting straps..
Facepiece is soft and pliable with a scratch-resistant lens, which provides the wearer an unobstructed view. Extra-large inhalation and exhalation valves help make breathing easier..
Soft, double-flap faceseal of easy-to-clean, hypoallergenic silicone.
Standard nose cup, speaking diaphragm and a scratch-resistant polycarbonate lens.

12V 5.5 GPM NorthStar NSQ Series on-demand pump provides faster priming and longer life.
Patented DXS-3 valves are made with chemical-resistant Viton for faster priming, better performance and longer life.
Santoprene diaphragm for superior reliability and chemical resistance.
Unique pressure switch design slowly cycles the pump for less switch and motor wear.

Quiet and pulsation-free even at low speeds, the new Aqua Jet five-chamber diaphragm pump provides the perfect water pressure solution for both small and medium sized leisure and commercial boats..
Whisper quiet operation. Five-chamber construction.
Self-priming. Easy, low cost maintenance. Inline strainer and trigger nozzle included as standard.
Valve Housing: Polypropylene. Valves: Nitrile.