• Jul , 28 2020

A butterfly valve is a shut-off valve with a relatively simple construction. In closed position, the disc blocks the valve bore as in open position, the disc is turned to allow flow. A quarter turn takes the valve from fully open to fully closed position, oppositely, the butterfly valve allows for quick opening and closure. Butterfly valves can be used for a broad range of applications within wate...

• Aug , 25 2020

Check valves are automatic valves that open with forward flow and close with reverse flow. The pressure of the fluid passing through a system opens the valve, while any reversal of flow will close the valve. Exact operation will vary depending on the type of Check valve mechanism. Most common types of Check valves are swing, lift (piston and ball), butterfly, stop and tilting-disk. Types of Check ...

• Aug , 26 2020

Ball valves A Ball valve is a quarter-turn rotational motion valve that uses a ball-shaped disk to stop or start flow. If the valve is opened, the ball rotates to a point where the hole through the ball is in line with the valve body inlet and outlet. If the valve is closed, the ball is rotated so that the hole is perpendicular to the flow openings of the valve body and the flow is stopped. Types ...

• Sep , 12 2020

Valve is best suited for installations, keeping in mind the service for which the valve is recommended. Before installing the correct valve, review the installation instructions to prevent damage to the valve and to assure its maximum efficiency. Use sand cloth or steel wire brush to clean both ends to a bright metal finish. Apply flux to outside of tube and inside of solder cup. Surfaces to be jo...

• Sep , 22 2020

Technical measures Signal device is additionally provided with wafer butterfly valves location. When running in butterfly valves wafer deviation from the full open position, sends out signal, the control room of the optical plate light, the operator can signal according to the judgment is off wafer butterfly valves accident or partial red. General treatment measures to regulate the part turning, c...

• Nov , 13 2020

Wafer butterfly valve is a very wide range of valve types, it has a soft seal and hard seal two types of seal.In the same caliber, hard - sealed Wafer butterfly valve price will be higher than soft - sealed Wafer butterfly valve. A variety of materials such as gray cast iron, nodular cast iron, cast steel, stainless steel, etc.And hard seal to Wafer butterfly valve material is limited, can only be...

• Nov , 17 2020

Not only butterfly valve but also ball valve is one of our leading products.The biggest difference between the ball valve and butterfly valve is that the opening and closing parts of the butterfly valve is a plate, and the ball valve is a ball, the butterfly valve disc and the ball valve spool are around their own axis for rotation;The disc of gate valve is moved up and down along the axis;Butterf...

• Apr , 18 2023

Heating pipes are usually used in boiler rooms, direct combustion engine rooms, and heating centers. Multiple heating pipes form a pipe network. The design pressure of hot water medium is less than or equal to 2.5MPa, and the design temperature is less than or equal to 200℃; the design pressure of steam medium is less than or equal to 1.6MPa, and the design temperature is less than or equal to 350...

• May , 08 2023

Introduction to D363H-16C Butt Welding Metal Seal Butterfly Valve： The D363H-16C butt welded metal sealing butterfly valve adopts a precise J-shaped elastic sealing ring and a three-layer metal hard sealing structure with three eccentrics. It is widely used in industrial pipelines such as metallurgy, power, petrochemical, water supply and drainage, and municipal construction where the medium ...