40mm high pressure & quality stainless steel case with inner signal output auto part of CNG pressure meter

Diameter size: 40mm
Case/cover: stainless steel 304
Window: glass
Connection: brass
bottom/back
Thread: G/PT/NPT1/4, M14*1.5 etc.
Bourdon tube: phosphor bronze
Movement: brass
Dial plate: aluminum
Pressure range: 400bar/250bar etc.
Accuracy: 2.50%
Design: EN837-1;KS B 5305 etc.