Model | RQFB4441 |
Specification | NPS 2-12(DN50-300) |
Pressure rating | Class 150 ~600 (PN16 ~ 100) |
Basic materials | ASTM A105, A350 LF2, A182 F304,A182 F316,A182 F6A,A182 F51,A182 F53,A182 F55,A564 630(17-4PH),Monel, Inconel. |
Surface treatment | Electroless nickel plating, hard chromium, tungsten carbide, chromium carbide, Stellite, Inconel, special materials |
Support type | Valve seat |
Drive | Solitary groove |
Circularity | 0.01-0.02 |
Roughness | Ra0.2-Ra0.4 |
Concentric circle | 0.05 |
Packing | Wooden case, pallet, container |
Apply to | Large and medium-sized industrial ball valves in the fields of petroleum, natural gas, water treatment, pharmaceutical and chemical industry, heating, etc |
Can be produced according to the design and size provided by customers |