Product Name: RDDThrough Conduit Double Expanding Gate Valve
Vlave Size: 2"-40"
Class:300#~2500#
Temperature Range:-120℃-538℃
The Range of Application:RUV expanding gate valve can be widely used for hot steam, natural gas, oil well drilling system, oil pipeline and oil tank storage, also can be used for block and shut valve for pipes of chemical flow with acid and alkali corrosive.
General design standard：API6D
Pressure-temperature rating: ASME B16.34
Face to face dimensions：ASME B16.10/API6D
Flange type and dimensions：ASME B16.5/ASME B16.47A
Butt-welded end：ASME B16.25
Inspection and test：API6D/API598
Full Bore Design
Fire Safe Design
Special top entry design, can be maintained for online condition.
Valve cavity is isolated from the flow both in fully open and fully closed position.
Automatically pressure relief system will release the over pressure in the cavity for over pressure.
Can be installed with pipe at any angle, vertical, horizontal, reverse position.
Muti operation types: hand wheel, gear box, pneumatic, electric, etc.
Anti-Blowout Stem Design
Emergency Sealant Injection
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