Description: 
Code:TB2251, Product Name: Stem Ball
NPS 1''~4''(DN25~100)
Pressure Rating: Class 150~2500(PN16~420)
Base Material: ASTM A105,A350 LF2,A182 F304,A182 F316,A182 F6A,A182 F51,A182 F53,A564 630(17-4PH) Monel
Coatings: ENP, Chrome Plating, Tungsten Carbide, Chrome Carbide, Stellite, Inconel, Special.
Support Type: Axle Sleeve
Drive: Straight Slot