Hawle Check Valves
Swing, ball and nozzle check valves from Hawle — designed for water supply networks, building services and industrial distribution systems.
Hawle
Swing Check Valves
Flanged swing check valves for general water supply and building services. The 9830 is the standard range; the 9883K adds a lever and counterweight for adjustable soft closing.
Swing Check Valves
Swing Check Valves
Hawle
Model: 9830 • Sizes: DN 40–300 • Pressure: PN 10/16 • Temp: 5°C to +40°C (potable water) • Body: Ductile cast iron • Connection: Double flanged • Seat: Rubber-seated
✓ Standard water supply valve ✓ Double flanged ✓ Rubber seat ✓ Ductile iron body
Best for: water distribution networks and building services
Tilting Type Check Valve
Tilting Type Check Valve
Hawle
Model: 9883K • Type: Tilting disc with lever and counterweight • Pressure: PN 10–25 • Features: Adjustable counterweight, soft-closing, reduces water hammer
✓ Adjustable counterweight ✓ Soft-closing action ✓ Reduces water hammer ✓ Tilting disc design
Best for: pump discharge and water hammer-sensitive pipework
Hawle
Ball Check Valves
Ball check valves for compact water supply and building services installations. Simple, reliable design with no external moving parts.
Ball Check Valves
Ball Check Valves
Hawle
Type: Ball check valve • Application: Water supply, building services and irrigation systems • Features: Simple design, no external moving parts, self-cleaning
✓ Simple and reliable ✓ No external moving parts ✓ Self-cleaning ball ✓ Compact design
Hawle
Nozzle Check Valves — Axial Silent
Spring-loaded axial silent check valves (Model 9887 / Ozkan series) for pump discharge protection and water hammer prevention. Rapid and silent closing minimises surge pressure in water mains.
Nozzle Check Valves
Nozzle Check Valves
Hawle
Model: 9887 Ozkan Axial Silent • Pressure: PN 25+ • Type: Spring-loaded axial-flow (nozzle) check valve • Features: Full opening at ~2 m/s flow, rapid soft closing, no water hammer • Connection: Double flanged
✓ Silent closing action ✓ Anti-water-hammer ✓ Spring-loaded axial flow ✓ Pump discharge rated
Best for: pumping stations, large water mains and systems sensitive to surge
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