连杆球

产品名称：连杆球

Product Name：Stem Ball

产品规格（Product specifications）

NPS 2”----- 28”(DN 50---700)

压力等级(Pressure Rating)

Class 150---2500 (PN 16--420)

球体材质 (Material)

ASTM A105,LF2,F304,F304L,F316,F316L,F6a,F51,17-4PH,Monel(蒙乃尔),lnconel(因科尼尔合金)

表面处理(Coatings):

Nickel Based Alloy（镍基合金）

Nickel Based Alloy+Tungsten Carbid（镍基碳化钨）

Tungsten Carbide(喷碳化钨)

Chrome Carbide(喷碳化铬)

Stellite(喷司太立)

We guarantee:

Ball roundness on sealing of 0.02 mm

Surface roughness of the sphere of Ra 0.2 (after machining)

Roughness after  coating from Ra 0.1

All our pieces undergo the Blue dye test and alcohol test to guarantee a perfect seal.