Keckley offers a retainerless wafer body design in bronze carbon steel stainless steel and other specially cast alloys.
Wafer double door check valve installation.
Conversely when the pump is stopped flow decay occurs and at a point near zero velocity the force from the legs of the torsion spring instantly closes the double door check valve for non slam shut off.
Prior to installation a.
Forum s cost efficient line of abz double door wafer check valves offers a sleek low profile design that perfectly suits tight spaces.
Double door check valves are recommended for clean liquids and gasses and have an excellent performance reputation in refineries petrochemical gas liquefaction other process industries and hvac applications because of their cost efficient design and non slam properties.
The lightweight compact design fits between mating flanges and meets api 594 face to face dimensions.
Aims to be the brand of choice for meeting the market s needs for competitively priced high quality check valves with prompt on time delivery and exceptional customer service.
Flow from the pump causes the double door check valve to open.
Uwp model 2550 ductile iron double door check valve is ul listed for use in the fire protection industry.
The wafer check valve may be installed in horizontal pipework and vertical pipework if the flow is in an upwards direction.
The double door check valve is held closed by the legs of a torsion spring.
Retainerless wafer double door check valve.
Flanged ends conform to ansi b125 1 class 125.
Keckley cast iron wafer body double disc check valves have pin retainer holes in the body where plugs are inserted to hold the hinge pin and stop pin in place.
The tlw check valve tapped lug wafer was engineered for applications where exposed studs are not suitable.
Sure flow equipment inc.
This non slam spring assisted center guided lugged pattern wafer check valve is designed to prevent water hammer and reverse flow.
Herz wafer type double door check valve dn mm inch 65 2 1 2 80 3 100 4 125 5 150 6 200 8 250 10 300 12.