Swing check valve have an articulated mechanism and a disc which leant on surface of slop seat freely . The disc is connected with articulated mechanism to make sure disc can reach right place on se

Ball valves are also easy to use and repair. The uncomplicated design allows for quick and easy access to repair seats and seal. Available in a range of sizes, predominantly from a ? inch to 4 inches

With the advent of the market brass ball valves, they immediately appreciated was evaluated, and the demand for these products increases, as well as their scope. Now such products can be found in any

3: Consider the inlet water pressure. Pressure regulating valves can be direct acting, piston operated or externally piloted models. Choose direct acting valves for flows ranging from low to moderat

Chlorine ball valve and plug valve of the same class, the difference is ball is a sphere with a circular through also for the opening and closing parts, ball valve with the stem around the center li

Two-piece ball valve is composed of two parts; the seal is better than a ball valve, ball diameter and pipe the same diameter, than a ball valve for easy disconnection. Three-piece ball valve is com

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Check valve according to the structure can be divided into lift check valve, swing check valve and butterfly valve of three. Lift check valve can be divided into two kinds of vertical and horizontal.