As one of senior check valve manufacturers in Taiwan, check valves are available in (lead free) brass, (lead free) Bronze and Stainless steel. 

Taiwan Kingbird's vertical check valves are precision-crafted from lead-free brass and stainless steel to deliver superior backflow prevention and system protection. Featuring responsive internal mechanisms and tight sealing capabilities, these professional-grade valves maintain system pressure, prevent reverse flow, and protect pumps from damage. Engineered for minimal pressure loss and maximum reliability, our vertical check valves provide consistent performance in demanding residential and commercial water well applications.

Features:

1. One-Piece design, no leakage problems to be concerned. 

2. Valve body and poppet are made of same material which ensures longer usage lifetime than plastic parts.

3. Corrosion resistant stainless steel spring and nut are equipped.

4. Can be used in either vertical or horizontal directions.

5. O-ring material can be customized in VITON, EPDM, NBR per requests.