Characteristics Of Knife Gate Valve

Lined Gate Valve is widely used in coal preparation, slag discharge, urban sewage treatment, food, petroleum, chemical, papermaking, medicine and other water, oil, steam pipelines in mine power plants, connecting or cutting off cement slurry, gold ore powder, slag, coal slime, ore sand, pulp, wood pulp, tailings, fiber, dust, sedimentation tank, asphalt, chemical treatment sewage, silo outlet, fruit, grain, slaughterhouse wastewater and other media.

Features of knife-type gate valve:

1. The lifting gate sealing surface can scrape off the adhesive on the sealing surface and automatically remove debris.

2. The stainless steel gate can prevent sealing leakage caused by corrosion, and fine grinding and polishing can obtain better sealing effect. The bottom of the knife plate is processed into a blade shape, which has a cutting function for soft materials such as fiber, pulp, and wood pulp, and has a good opening and closing effect. A hard polytetrafluoroethylene scraper is installed on the upper end of the knife plate to prevent abrasive substances such as dust and gravel from entering the stuffing box, which can significantly improve the life of the knife plate.
3. The stainless steel valve body is durable, the valve body reinforcement rib design improves the valve body strength, and the double-headed screw is used for faster opening and closing.

4. The overall stainless steel material can prevent corrosion damage. The valve body and stuffing culvert are precision cast, and the valve body is flange-type integral casting. The material can be selected according to user needs 304, 316, 316L, WCB, 2Crl3, and the sealing ring is made of PTFE reinforced polytetrafluoroethylene, which is corrosion-resistant, wear-resistant, and non-sticky.

5. The full-circular direct current channel design does not store slag or blockage.

6. The scientific upper seal stuffing box design makes the upper seal safe, effective, and durable.

7. The short structure length can save raw materials and installation space, and also effectively support the strength of the pipeline.

8. The triangular bracket saves raw materials and ensures the required mechanical properties.

9. The guide block on the knife-type gate valve body enables the gate to move correctly. The extrusion block ensures the effective sealing of the gate.
10. Knife-type gate valves can also use any drive mechanism.

11. V-type gate can be used as a regulating valve.

12. Compact design, small space, light weight, cheap price, easy to install, perfect wear-resistant and anti-blocking measures, easy to maintain, easy to use and long life, and can use any drive device.

13. The valve plate has 5 support points, which makes the valve plate have good self-centering. When the valve is in the closed state and subjected to back pressure, the valve plate does not deviate.