Piston Lift Check Valve
  • Air ProPiston Lift Check Valve
  • Air ProPiston Lift Check Valve
  • Air ProPiston Lift Check Valve
  • Air ProPiston Lift Check Valve
  • Air ProPiston Lift Check Valve

Piston Lift Check Valve

The function of this type of valve is to allow the medium to flow in one direction only, and to stop the directional flow. You can rest assured to buy high quality Piston Lift Check Valve from our factory and we will offer you the best after-sale service and timely delivery.

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Product Description

Piston Lift Check Valve

 

You can rest assured to buy high quality Piston Lift Check Valve from our factory and we will offer you the best after-sale service and timely delivery. The function of this type of valve is to allow the medium to flow in one direction only, and to stop the directional flow. Usually this valve is automatic work, in one direction of flow of fluid pressure, the valve flap open; fluid flow in the opposite direction, by the fluid pressure and the self-weight of the valve flap act on the valve seat, thus cutting off the flow. Among the female check valve, butterfly check valve belongs to this type of valve, it includes swing check valve and lift check valve. Swing check valves have a hinge mechanism and a door-like flap that rests freely on an inclined seat surface. To ensure that the flap reaches the right position on the seat surface every time, the flap is designed in the hinge mechanism so that the flap has sufficient swing space and true, full contact with the seat. The valve can be made entirely of metal, or it can be inlaid with leather, rubber, or synthetic coverings, depending on the performance requirements.

 

Swing check valve in the fully open condition, fluid pressure is almost unobstructed, so the pressure drop through the valve is relatively small. Lift check valves have a flap located on the sealing surface of the valve seat on the valve body. The valve can be raised and lowered freely, except that the rest of the valve is like a globe valve, where fluid pressure causes the valve to lift from the seat sealing surface and the media backflow causes the valve to fall back onto the seat and cut off the flow. Depending on the conditions of use, the flap can be of all-metal construction or in the form of a rubber gasket or rubber ring inlaid on the flap frame. Like the globe valve, the passage of fluid through the lift check valve is narrow, so the pressure drop through the lift check valve is somewhat greater than that of the swing check valve, and the flow rate of the swing check valve is rarely restricted. This valve is used in industrial pipelines as a device to stop the backflow of media.

 

Zhejiang Huachi Co., Ltd is providing our customers with the best quality products, the most competitive prices, on-time delivery and comprehensive warranty services. 30 years valve manufacturer, can accept mass customization. German imported manufacturing equipment, 100% QC before shipment, quality guaranteed. Industry standard 1 year (12 months) warranty. ISO 9001 certification, additional certifications including CE, TUV, RoHS, SGS, BV, explosion proof and fire protection, OEM/ODM service available.

 


FAQ

 

Q1. Are you a trader or a manufacturer? 

We are a manufacturer (forging workshop and CNC machining workshop)

 

Q2.We can supply ball valves, flat gate valves, gate valves, globe valves, check valves, butterfly valves, safety valves, gas control valves

Each product is tested by our strict quality control system, we also have excellent service to support you and promote your business. 

 

Q3. Delivery time. 

Large quantities, as usual, can be sent out within 15-35 days. 

Small parcels will be sent by DHL, FedEx, UPS or TNT Courier. 

Large shipments will be sent by air or sea. 

 

Q4. Our services. 

About payment. 

Payment methods: L/C, T/T, Western Union, Paypal, Ali Trade...

 

Q5. About samples. 

We can provide sample production and service. Usually 2 to 5 days, the samples can be delivered to you. We will choose the shipping method according to your request: sea, air or express. For any questions about samples, please contact us.

 

Q6. For OEM products. 

We will finish the production within 15-35 days after confirming the payment. 

About delivery and shipping. 

We will choose the delivery method according to your requirements: sea freight, air freight, express delivery, etc. It is our mission to save your cost. 

 

Q7. Warranty. 

Any question or problem will be replied within 12 hours.

 

Q8. Lifetime service. 

Any problems with our products, we will try our best to help customers solve them, spare parts are half price for life. 

 

Q9. Problem solving. 

If you can't solve the problem locally, please deliver the product to us and we will repair it and return it to you. 

 

Q10.Quality control. 

All products are calibrated by actual working conditions and tested as qualified products before leaving the factory. 

 

Q11. purpose: attitude determines everything, we think the customer thinks the customer is first!

 

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