Designed to protect pumping equipment boost energy savings reduce maintenance and increase uptime these thin valves are heavy duty and corrosion resistant.
Double door check valve.
Body materials include ductile iron carbon steel and 316 stainless steel.
Swing check spring loaded double disc globe compact wafer silent wafer flexible disc tilted disc and rubber flapper.
Bulletin apco cdd 9000t double door check valve.
Wafer body valve sizes 2 6 50 150mm are dual rated to asme b16 5 class 150 300.
The spring action of the valve prevents back flow eliminates water hammering and provides minimal head loss.
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.
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.
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.
Energy efficient protection against flow reversal.
Apco cdd double door check valves are available in sizes 2 36 50 900mm.
Valve sizes 8 200mm and larger are rated to asme class 150.
Quick spring action prevents back flow eliminates water hammering and provides minimal head loss.
Bray s rite double door check valve features lightweight dual discs responsive independent springs and a durable resilient seat for reliable flow activated operation with tight sealing and reduced water hammer potential.
Small lightweight and easy to maintain.
Retainerless wafer double door check valve.
Valve can be installed vertically or horizontally.
Sure flow equipment inc.
The keckley retainerless wafer body double disc check valve features a single cast body without pin retainer holes in the body.
Two torsion springs close valve plates quickly and automatically.