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ABOUT US
WHO WE ARE ?
COMPANY PROFILE
QUALITY POLICY
LEGAL NOTICE
BRANDS
BRAY CONTROLS
FLOWTEK
RITEPRO
VAAS
MIYAWAKI
PRODUCTS
BUTTERFLY VALVES
BALL VALVES
ACTUATORS
ACCESSORIES
CHECK VALVES
KNIFE GATE VALVES
STEAM EQUIPMENTS
RESOURCES
CAREER
CONTACT
ABOUT US
WHO WE ARE ?
COMPANY PROFILE
QUALITY POLICY
LEGAL NOTICE
BRANDS
BRAY CONTROLS
FLOWTEK
RITEPRO
VAAS
MIYAWAKI
PRODUCTS
BUTTERFLY VALVES
> RESILIENT SEATED BUTTERFLY VALVES
> HIGH PERFORMANCE BUTTERFLY VALVES
> TRIPLE OFFSET BUTTERFLY VALVES
BALL VALVES
> FLANGED VALVES
> THREADED VALVES
> MULTIPORT VALVES
> V-CONTROL & SEGMENTED BALL VALVE
> SEVERE SERVICE BALL VALVES
> HIGH PRESSURE VALVES
> PFA SEATED VALVES
ACTUATORS
> PNEUMATIC ACTUATOR
> ELECTRIC ACTUATOR
> SCOTCH & YOKE ACTUATOR
> MANUEL OPERATORS
ACCESSORIES
> VALVE STATUS MONITORS
> FILTER REGULATORS
> POSITIONERS
> SOLENOIDS
CHECK VALVES
> Rite Check
> Series SA-01
> Series SA-40
> Series SA-16
> Series SA-1
> Series SA 10
> Series SA-50
> Series SA-2
> Series SA-4AX
> Double Door
KNIFE GATE VALVES
> UniDirect - Series 940
> BiDirect - Series 740
> BiDirect - Series 746
> BiDirect - Series 752
> BiDirect - Series 762
> BiDirect - Series 765
> BiDirect - Series 770
> BiDirect - Series 755
> BiDirect - Series 767
> BiDirect - Series 768
> UniDirect - Series 950
> UniDirect - Series 941
STEAM EQUIPMENTS
> STEAM TRAPS
> STEAM TRAP MANAGEMENT SYSTEM
> PRESSURE REDUCING VALVE
> AUXILIARY EQUIPMENTS
RESOURCES
CAREER
CONTACT
Double Door
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Home
PRODUCTS
CHECK VALVES
Double Door
Technical Information
Body Style
Wafer Swing Type
Size Range
2" - 12" (50mm - 300mm)
Pressure Rating
ASME 150
Temperature Limits
-50°F to 300°F (EPDM) , -40°F to 250°F (Buna)
Face to Face
API 594
Body Material
Ductile Iron , Stainless Steel
Disc Material
SS316
Seat Material
EPDM , Viton , BUNA
Spacer Material
PTFE
Design & Test
API 594 & API 598
Applications
Pump Protection , Water Hammer Reduction
Documents
Double Door Check Valve Tech. Doc.
Manuals