OEM gas shut off valve box system with guage

Quantity 1-6 gases control design, one indication color for each gas.
Adopt copper pipe, pipe connection use silver-alloy brazing, avoid leakage.
Specification: G1/2 and G2, application for kinds of medical gas.
With watch window, can damage organic glass quickly in emergency condition.
Horizontal input and output, wall fitting installation.
Accordance with ISO 15001 Standard to degrease pipes. 100% gas tightness testing for complete system.
Accordance with USA NFPA99 standard.