RDDThrough Conduit Double Expanding Gate Valve


Product Name: RDDThrough Conduit Double Expanding Gate Valve

Vlave Size: 2"-40"


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

Contact Us


    Contact address

  • No.15-8, Jinchuan Road, Hi-Tech Industrial Park, Yantan District, Zigong City, People's Republic of China
  • PHone

  • +86-813-5536010
  • Fax

  • +86-813-5519412
  • E-mail

  • rockyvalve@163.com