The WELSON model 1400B cast iron silent check valve with Gr. 316 stainless steel piston is the ideal solution for fresh or seawater supply system in buildings.
Its design with a high-quality rubber seal to minimize noise during operation.
The valve requires a low pressure to open and can be installed in both horizontal and vertical lines with upward flow.
The available model sizes are from 2″ to 6″ which all are compatible to mate between class PN16/PN25 drilled flanges.
The 1400B check valve is the traditional non-return valve to be installed in a system where flow in one direction is desired.
The valves design incorporates a fully guided and low cracking pressure piston operation that eliminates jamming or clogging while in operation.
The arrow on the side of the valve indicates the flow direction.
Service Medium: Water (Fresh / Seawater)
Working Pressure: 0-24 BAR (Non-Shock at normal atmospheric temperature)
The available sizes for model 1400B check valve are from 2″ to 6″.
All valves are manufactured with body concaved openings which are compatible to mate between BS EN 1092 Part 1 to 3 class PN16/PN25 drilled flanges.
The main uniform heavy-duty body of valve is casted from cast iron material with epoxy coating.
Assembled together by selected stainless steel components to enable this valve to have excellent corrosion-resistant.
Valve Cast Iron Material: BS EN 1561:2001 Grade 250Min (WRAS approved epoxy coating)
Valve Stainless Steel Material: BS EN 10283:2010 Grade 1.4408 (316) / BS EN 10088-1:2014 Grade 1.4401 (316)
This valve has been approved by the Hong Kong Water Service Department under its General Acceptance Scheme.
Please contact us for further details.