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.

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