home > Products > Check Valve >
Performance Standard
1. Flange connection size: GB/T17241.6-98
2. Structure length: GB/T12221-89,ISO5752-89
1.Small size, light weight, compact structure, convenient maintenance.
2.Valve plate using dual, In the spring of the elastic moment can be automatically closed.
3.Due to quick closing. can prevent the media back, eliminating the strong effect of water hammer.
4.Body structure with small size, good rigidty. safety and reliablity.
5.Completely sealed, water presssure test leakage is zero.
6.The Installation is convenient and can be used for horizontal and vertical Installaton in two directions.
Bkvalve expert is at your service 24/7.
Sulong experts deliver FREE ventilation duct fabric based on your-required performance.
Our experts with 10+ years of experience in valve industry will answer your any question within 12 hrs.
Our expert with 10+ years of experience in valve industry will answer your any question within 12 hrs.