Screw-to-Connect Quick Coupling – Series QHPA

Description

Parker’s Screw-to-Connect Quick Coupling Series QHPA is suitable for difficult applications. Series QHPA is a rugged coupling system with a modular construction in steel and a working pressure up to 450 bar.

Technical Specifications
Minimum Operating Temperature: -25 °C
Size: 2 to 8 inch
Application: Medium Pressure Hydraulics
Body Size: 3/8 to 1 inch
Brand: Parker
Fitting Connection Type: Male Thread, Female Thread
Interchange Type: Parker Profile
Media: Hydraulic Fluids
Maximum Operating Pressure: 4350 to 6520 psi, 300 to 450 bar
Maximum Operating Temperature: 230 °F, 110 °C
Valve Type: Poppet
Length: 62 to 138 mm
Hex Size: 22 to 55 mm
Outside Diameter: 34 up to 85 mm
Materials of Construction: Steel, Silver Plated
Seal Material: NBR
Weight: 147 to 2350 g

Markets:
– Agriculture
– Construction
– Material handling

Features/Benefits:
– Self-locking threads and external seal to prevent accidental disconnection – Screw-to-Connect Coupling
– NBR seals and back-up ring in PTFE to withstand pressure impulsions
– Connectable under pressure up to 50 bar
– High resistance to mechanical and hydraulic shocks and also withstand vibrations
– Sleeve mounted on the male tip to protect the sealing area
– Three-part poppet style valve with a molded shaped seal to prevent seal washout at high flow rates

Applications:
– Agriculture and mobile equipment
– Rock hammers
– Forestry equipment
– Snow groomers
– Excavators

Additional information