Double Door Check Valve
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.
Double door check valve. Apco cdd double door check valves are available in sizes 2 36 50 900mm. Bulletin apco cdd 9000t double door check valve. Check valves henry pratt company has a full line of check valves including. Check valve accessory dual door swing industry alternative fuels chemical petrochemical food beverage general industry hvac marine shipbuilding mining oil gas pharma biotech power pulp paper sugar water wastewater.
Two torsion springs close valve plates quickly and automatically. Sure flow equipment inc. Wafer body valve sizes 2 6 50 150mm are dual rated to asme b16 5 class 150 300. Double door check valves.
Designed to protect pumping equipment boost energy savings reduce maintenance and increase uptime these thin valves are heavy duty and corrosion resistant. The keckley retainerless wafer body double disc check valve features a single cast body without pin retainer holes in the body. Energy efficient protection against flow reversal. Body materials include ductile iron carbon steel and 316 stainless steel.
The spring action of the valve prevents back flow eliminates water hammering and provides minimal head loss. Small lightweight and easy to maintain. This design minimizes prospective leak paths through the valve body making it a preferable option for highly toxic corrosive or hazardous gas chemical processing applications. Swing check spring loaded double disc globe compact wafer silent wafer flexible disc tilted disc and rubber flapper.
Morrill industries offers our cv ss series double door check valves the cv ss series valves are a narrow lightweight easy to install and low cost check valve. Retainerless wafer double door check valve. Quick spring action prevents back flow eliminates water hammering and provides minimal head loss. Forum s cost efficient line of abz double door wafer check valves offers a sleek low profile design that perfectly suits tight spaces.