As we all know, a gate is the opening and closing part of the cast steel gate valve. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and closed, but cannot be adjusted or throttled. Table of Contents 1. Gate of cast … Read more
Table of Contents 1、Check that the ball valve is in full open position 2、The valve cannot fill with grease 3、Uneven fat output from fat injection hole 1、Check that the ball valve is in full open position After grease injection, check whether the diameter of the valve ball is flush with the plane of the inner … Read more
The ball valve has simple structure, it is small and light. And now in many fields, it is also used, ranging from a few millimeters to a few meters in diameter, from high vacuum to high pressure. Table of Contents As one of the ball valves, what are the characteristics of the manual ball valve? … Read more
Manual / electric soft-sealed butterfly valve is suitable for pipelines whose medium is water, seawater or oil. It is mainly used as a globe valve to cut off the medium to protect the pipeline system. Manual butterfly valve or electric butterfly valve is mainly composed of butterfly valve body, manual device or electric device. Table of Contents Soft seal butterfly … Read more
Table of Contents There are nine commonly used materials for valve bodies： There are nine commonly used materials for valve bodies： 1. Gray cast iron, suitable for working temperature between 15 ~ + 200 ℃, nominal pressure 1.6 Mpa or less low-pressure valve; 2. Malleable cast iron is suitable for the working temperature between 15 ~ + … Read more
Table of Contents But the butterfly valve has two problems: The butterfly valve is popular because of its fast opening and closing speed, self-sealing tendency and light weight. It is widely used in large and medium caliber equipment in medium and low pressure. Especially in recent years, the butterfly valve with three-dimensional eccentric hard sealing has greatly improved the working temperature of butterfly … Read more
Electric ball valve is a new type of ball valve, which can also be called electric actuated ball valve. It has some unique advantages of its own structure. For example, the switch has no friction, the seal is not easy to wear and tear, and the opening and closing moment is small. This reduces the size … Read more
Table of Contents 1. The Structure of block valve and gate valve 2. The Principle of block valve and gate valve 3. The Performance Difference between block valve and gate valve 4. The Installation and the Flow Direction of block valve and gate valve 5. The sealing of block valve and gate valve 1. The … Read more
What are technical difficulties of high-temperature triple-eccentric metal hard-sealing butterfly valve? What are the problems encountered in its design and development? How to solve them? Table of Contents The technical difficulties of high-temperature triple butterfly valve include the following aspects: The solutions mainly includes the following parts: The technical difficulties of high-temperature triple butterfly valve include the … Read more
Table of Contents The following valve installation for you to explain the matters needing attention. The following valve installation for you to explain the matters needing attention. 1. When installing the valve, clean the inner chamber and sealing surface, tighten the connecting bolts evenly, and check whether the packing is compressed;| 2. The international valve is installed in the … Read more