Product Description
Parabola bellows globe valve according to ANSI valve is applicable to the pipelines that are used in various industries such as petroleum,chemical industry,pharmacy,chemical fertilizer,electric power industry etc.under nominal pressure of 150LB--900LB .
1.This product has logical structure ,reliable seat,excellent performance and nice design.
2.The seal surface is build-up welding with Co hard alloy which is attriction-resistant,corrosion-resistant and friction long life.
3.The stem is 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.
5.The stem may show the position of lift,thus it is clearer.