Heavy Haul Test 20 Coupler, 3/8″ BSP Male Thread, Ball Check Valve, Buna-N Type C Elastomeric Seal

Heavy Haul Test 20 Coupler, 3/8″ BSP Male Thread, Ball Check Valve, Buna-N Type C Elastomeric Seal Built for high-pressure diagnostics, this Summit Hydraulics Test 20 Coupler features a 3/8″ BSPP male thread and an integrated ball check valve for safe and easy connection to pressure gauges, sensors, and diagnostic tools. The Buna-N elastomeric seal (Type C) ensures reliable sealing during pressurized operation, while the knurled metal cap provides added protection. With a pressure rating up to 9,137 PSI and connect-under-pressure capability up to 5,801 PSI, this coupling is ideal for hydraulic test points in mobile and industrial systems. Its zinc-nickel plated steel body offers long-term corrosion resistance and performance in heavy haul applications or tough field conditions. Benefits: Designed for pressure testing, sampling, and venting Connects under pressure, no tools required Knurled metal protection cap resists impact Robust steel body and zinc-nickel coating for harsh conditions Reliable sealing with chemical-resistant Buna-N seal Engineered for heavy‑haul applications—built to withstand extreme vibration and pressures up to 9,137 PSI Features: 9,137 PSI Rating Coupling Under Pressure: 5,801 PSI Surface Treatment: Zinc-Nickel Plated 3/8″ BSPP Male Thread | M16 x 2 test port thread per ISO 15171-2 Buna-N (NBR) elastomeric Seal Integrated Ball Check Valve Knurled metal protection cap Contents: 1 Test Coupler Interchanges with: Stauff Test 20 w/ 3/8″ BSPP Male Thread