Pro Grade High Pressure Diaphragm Check Valve For Water And Air Systems One Quarter To One Half Inch Universal Fit 4500 Psi Manual Valve With Nitrile Buna N Seal And ABS Body Built Tough Keeps Water From Flowing Back And Stops Reverse Air Flow

Single-Valve High-Pressure Diaphragm Check Valve for Water
✔️ 1/4 to 1/2 in universal water/air fit, ABS body, Buna-N seal, 4500 psi

This compact, high-pressure diaphragm check valve blocks reverse flow in water and air lines. Its rugged ABS body and Buna-N seal deliver dependable performance in pumps, irrigation setups, pressure washers, and pneumatic systems where backflow could cause damage or waste energy.

✅ ABS body with Buna-N (Nitrile) seal for durable, chemical-resistant operation
✅ Universal 1/4 to 1/2 in fit for standard fittings
✅ Rated up to 4500 psi for high-pressure water and air systems
✅ Prevents backflow of water and reverse airflow to protect equipment
✅ Clear flow-arrow on the body guides correct installation

💡 What is a diaphragm check valve used for in water and air systems?

Here's a handy, practical breakdown for quick optimization:

- Backflow prevention in water and pneumatic lines to protect pumps and equipment
- Helps reduce pump cycling and energy waste in high-pressure setups
- Works with ABS bodies and Buna-N seals for reliable, leak-resistant operation
- Simple inline installation with clear flow direction markings