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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

Spring Loaded (In-LIne) Type Check (Non-Return) Valves

Spring Loaded

Swing (Flapper) Type Check (Non-Return) Valves

Swing (Flap)

Ball & Lift Type Check (Non-Return) Valves

Ball & Lift

Disc Type Check (Non-Return) Valves


Dual Plate Check (Non-Return) Valves

Dual Plate

Check (Non-Return) Connections

Threaded Check (Non-Return) Valves


Flanged Check (Non-Return) Valves


Wafer (Multi-Flange) Check (Non-Return) Valves

Wafer (Multi-Flange)

Socket Weld Check Valves

Socket Weld

Check (Non-Return) Valve Duties & Applications

HVAC & Industrial Check (Non-Return) Valves

HVAC & Industrial

Marine Check (Non-Return) Valves


WRAS Approved & Water Works Check (Non-Return) Valves

WRAS Approved

UL/FM Approved Check (Non-Return) Valves

UL/FM Approved

Gas Duty Check (Non-Return) Valves

Gas Duty

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.

Swing (Flap) • Spring Assisted
Size & Connections
DN32 to DN500 • Wafer – Between BS4504 PN10/16 Flanges
Air • Inert Gas • Oil • Seawater • Water
Aluminium Bronze Body & Flap • Stainless Steel Spring • NBR Seals
Pressure Rating
32-150mm PN16 • 200-500mm PN10
-10°C to 100°C
Contact UsJV080017 – Aluminium Bronze Marine Wafer Spring Assisted Swing Check (Non-Return) Valve - NBR Seal - PDF Datasheet

JV080017 – Aluminium Bronze Marine Wafer Spring Assisted Swing Check (Non-Return) Valve - NBR Seal