API6D Oil / Gas Cast Steel Check Valve Easy To Operate High Durability

Check valves are automatically actuated.they are opened and sustained in the open position by the force of velocity pressure, and closed by the force of gravity. Seating load and resultant tightness is dependent upon back pressure. The disc and associated moving parts may be in a constant state of movement if the velocity pressure is not sufficient to hold the valve in a wide open and stable position.

Cast steel swing check valves can be furnished with outside lever and adjustable weight when so ordered. With the lever and weight mounted so that the weight assistes the disc in closing, the valve closes more rapidly when flow stops, thus minimizing reversal of flow and resultant surge and shock. With the lever and weight mounted to balance the weight of the disc, the valve becomes more sensitive to low inlet velocities.

Swing check valvs are used to prevent reversal of flow in horizontal or vertical pipe lines. in Vertical lines, or for any angle from hirzontal to vertical , they can be used for upward flow only.

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KCM Tech Group Company, was consisted by nine factories. We concentrate in developing, designing, processing ball valve, gate valve, check valve, globe valve, strainer. Also we help our customer develop special valve according to the project usage. Our valves have been widely used in water treatment, chemical industry, oil and petroleum, power plant, marine, sugar industry and other industries fields. To supply correct products to customers long time has resulted in efficency and performance gains. Our management system has been award ISO 9001, DNV, API certificate...

We have been paid all our energy into offering complete service, shortening delivery time, keep steady quality...

Mainly our customer are stock-seller, project manager. So we deeply understand the importance of good and steady quality, precise and fast delivery time, correct products. We always pay much energy to monitor whether our products design meet customers' request; whether our product department can produce the orders in time. We keep giving feedback to customers every time.

High efficiency communication make customers trust us. For so many years, we keep support our customers on many projects. It's our target.