Check valves are used to prevent flow of fluid (gas or liquid) in one direction and allow flow in the other direction.

1.Five port sizes. (nominal inside diameter of the tube in which it fits) 1/8", 3/16", 1/4", 5/16" and 3/8".

2.Three housing materials. nylon type 66, polypropylene and PVDF

3.Four diaphragm materials. fluorosilicone, Viton, silicone and EPDM

Function:      

1.Prevents damage to equipment, pumps, and flow systems by preventing backflow

2.Tubing barbed check valves are for an inert high purity smooth and clear flow path.

 3.Use with liquids and gases for pressure or vacuum applications.

4.The check valves has a low pressure drop and can be specified with a wide variety of cracking pressures

1. 100% factory tested
2. Best quality with low and reasonable price
3. In time shipment
4. Free samples

5. Calling for feedback

1. Manufacture supplier, assure the best quality with low and reasonable price.

2. In time shipment, can send out the goods within 3-5days deponds on the item.

3. Can make design according to custom's requirements, save cost and suitable for use.

4. Plastic material is low cost, which can save your money.

Quotation----negotiation----placing order----production----test products ----packaging----shipping----tracking and after-sale service

1.Can custom make the products based on your requirements.

2. Rich experience in the check valve area.

3. Varies express options.