Searching for a miniature check valve with a low cracking pressure? Beswick offers a wide range of duckbill style miniature check valves. These typically crack open at less than 0.5 psi.

Three check valve families are available. The smallest, our CKV-M3 family, can be ordered with either M3 metric threads or barbed connections. The body is 5mm hexagonal. Our CKV family can be ordered with either 10-32 UNF threads or barbed connections. The body is 5/16 inch hexagonal. And our largest model, CKV38, is provided with ¼-28 UNF threads. The body is 3/8 inch hexagonal.