STSZ series are large‑size parallel dual‑channel connectors. It integrates inlet and return paths into one unit for simultaneous connection and one‑shot disconnection. It simplifies operation and improves safety factor, widely used for circulating‑flow systems. It is also interchangeable with selected QSD single‑pass connectors.

Specifications:

Pressure: Vacuum to 120psi 

(0.8MPa) Temperature: ‑40℃ ~ 100℃ 

Materials: 

Body, Push‑button & Valve Core: POM 

Spring: Stainless steel 

O‑ring: EPDM 

Inner Diameter: 1/8" ~ 3/8" ID (3.2mm ~ 9.5mm ID) 

Color: White as standard; other colors available upon custom request.