2019年2月27日星期三

China 150LB Forged Steel Ball Valve,2PCS Type Forged Steel Flange Ball Valve ,A105 ball valve,High pressure forged steel ball valve,forged steel trunnion mounted ball valve manufacturer

2019年2月23日星期六

Do you know what are the advantages and disadvantages of forged steel gate valves?

Gate valves are more common as a lower level valve. A forged steel gate valve is a widely used valve that refers to a valve in which the closing member (gate) moves in the vertical direction along the centerline of the passage. The gate valve is mainly used for cutting in the pipeline. Generally, the cutting device with a diameter of DN ≥ 500 mm is used, and sometimes the cutting device with a small diameter also uses a gate valve.
Forged steel gate valve advantages:
1. The fluid resistance is small.
2. The external force required for opening and closing is small.
3. The flow direction of the medium is not limited.
4. When fully open, the sealing surface is less affected by the working medium than the shut-off valve.
5, the body shape is relatively simple, casting process is better.
Forged steel gate valve disadvantages:
1. The external dimensions and opening height are large. The space required for installation is large.
2. During the opening and closing process, there is relative friction between the sealing surfaces, which is likely to cause scratches.
3. Gate valves generally have two sealing faces, which add some difficulties to processing, grinding and maintenance.

2019年2月21日星期四

High Pressure 3 Way Ball Valve,T Type,DN25,800LB

Our High Pressure 3 Way Ball Valve is adopts a two-seat sealing floating ball structure design, which has the advantages of exquisite appearance, good sealing performance, convenient switching, convenient control of medium shunting and confluence in the pipeline, and custom soft or hard seal according to customer’s working conditions. Form (soft seal for 200 ° C below)
Forged steel material, T-type three-way ball valve, can adapt to high temperature and high temperature. It can be used to divert and merge the project in the project. Forged steel T-type three-way ball valve can be applied to: petroleum, chemical, electric power, pharmaceutical, etc. Fields, suitable for water, gas, oil, natural gas and acid-alkaline corrosive media.
Please contact our sales@stvvalve.com for other materials and details.


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