RST VALVE is a professional factory manufacturer. We have 50 CNC machines, 3 pressure test machines. For all products, we ship with nameplate, plywood cases. We can print our LOGO on valves, also accept OEM.
In floating ball valve, the ball is held in the position by the compression of the two elastomeric seats against the ball. Trunnion mounted ball valve is a solution to the problem of excessive torque required by floating ball valve in high-pressure service.
Ball Valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it.Stainless steel ball valve is open when the ball’s hole is in line with the flow and closed when it is pivoted 90 degrees by the valve handle.
RST VALVE just finish an order for Spring Return Handle Operated Flanged Ball Valve in stainless steel material. This valve is kindly used in taking sampling and gas medium. Generally for food, pharmacy and oil industry, etc.
Stainless Steel Flanged CF3M(SS316L) 150LB trunnion mounted Ball Valve with worm operated.Simple structure, small volume, light weight, easy operation, is convenient for long operation. Widely use stainless steel, carbon steel, alloy steel, etc. Pressure from 150LB to 2500LB. Size from 2’’to 60’’.
Gate valves are characterized as having either a rising or a non-rising stem. Rising stems provide a visual indication of valve position because the stem is attached to the gate such that the gate and stem rise and lower together as the valve is operated.
Before producing products, we must inspect our casting raw materials. We must ensure the valve surface is smooth, no burr , no sand hole, with correct dimension and material content for Physical & Chemical Test.