Valve body and bonnet are manufactured by forged steel materials, such as ASTM A105, ASTM A182 F11, ASTM A182 F5, ASTM A182 F304, ASTM A182 F304L, ASTM A182 F316, ASTM A182 F316L, etc. Valves are mainly used in firepower plants for control of air, water, steam and other corrosive flows.
Product features:
1. Rapid opening and closing
2. Sealing surface without any abrasion when opening and closing, with long life
3. Valve seat expansion structure
4. Sphere, piston and swing type disc designs can be chosen.
5. Bolted bonnet, threaded bonnet, welded bonnet and pressure seal bonnet can be chosen.