Product Description
More Product Parameters:
Structural formation: BB-BG-OS&Y,Driving maner: Handwheel or Electric-actuated,Design standard:DIN3356,Face to face:DIN3202,Flange ends:DIN2543-2545 ,Test&inspectiion:DIN3230
Specifications:
Stop valve bellow seal according to DIN is applicable to the cutting and connection of pipelines medium that are used in various in dustries such as petroleum,chemical industry,pharmacy,checmical fertilizer,electric power industry etc. under nominal pressure of PN.6-16Mpa and working temperature of -29--350C.
More products description :
1.This product has logical structure,reliable seal,excellent performance and ince design.
2.The seal surface is build-up welding with Co hard alloy which is attrition resistant,corrosion-resistant ,has good friction resistatant and long lift.
3. The stem quenched and tempered and its surface is treated by nitriding treatment,thus it has good corrosion resistant and friction resistant.
4.It has double seal capability ,thus is more reliable.