aluminium bronze
Check (Non-Return) Valves
Johnson Valves offer check (non-return) valves for a wide range of applications, we offer various types and connections. We also offer Storm (Scupper) Valves for the marine industry and Screw Down Non-Return Valves (SDNR) which is a globe valve and lift check valve combined.
Check (Non-Return) Valve Types
Check (Non-Return) Connections
Check (Non-Return) Valve Duties & Applications
JV080017 – Ali-Bronze Marine Wafer Spring Assisted Swing Check (Non-Return) Valve – Length A
A marine quality aluminium bronze swing type check (non-return) valve generally used to prevent backflow in water and seawater systems.
Type
Swing (Flap) • Spring Assisted
Size & Connections
DN32 to DN500 • Wafer – Between BS4504 PN10/16 Flanges
Duty
Air • Inert Gas • Oil • Seawater • Water
Materials
Aluminium Bronze Body & Flap • Stainless Steel Spring • NBR Seals
Pressure Rating
32-150mm PN16 • 200-500mm PN10
Temperature
-10°C to 100°C