Detailed Product Description

Main Structural Features :

Opening and closing of the valve is carried out while the sealed surface is taken off , so it will not cause abrasion on the sealed surface .Double direction .

Principle of opennion and closing of the valve

Process of opening and closing of the valve. When opening the valve , first of all , turn the hand

wheel to make the plug lifted and separated with the sealed surface , turn the handle by 90 degree to connect the channel of plug with channel of valve body . so that the valve is opened.

When closing the valve , first of all turn the handle by 90 degree to mark the channel of plug , vertical to the channel of valve body , and then the hand wheel to decend the plug , so what the valve is closed.

Technical Specification:

• Structural feature : Bolted bonned , OS&Y  , BG.
• Operation : Hand wheel , worm gear, Elecric-actuated
• Design standard : API 599 , API 6D
• Face to Face : ASME B 16.10
• Flange end : ASME B 16.5
• Test &Inspection : API 598 , API 6D

 specification:

• Size: 1/2 "--28"
• Class 150--900LB
• Temperature: --29 ^oC--180^oC
• Medium : Oil , Water ,Gas .
• Material :ASTM A216 WCB ,A351 CF8,CF8M,CF3,CF3M.A182 F304 ,F316,F304L,F316L.