Built-in pressure gauge with triangular front ring Ø 40, 50, 63, 100 mm, Class 2.5

Materials: 
Housing: Black steel, front ring: Chromium-plated steel, measuring system and indicator: Cu-alloy (pressures >= 100 bar: 1.4404), window: Transparent plastic, mounting bracket: Steel zinc plated, back mounted 

Connection thread: 
G 1/4"* (Ø 40: G 1/8"), back-mounted, centred (Ø 100: G1/2"*, back-mounted, off-centre) 

Class: 
2.5 (Ø 100: 1.0) 

Temperature range: 
Environment: -20 ° C to + 60 ° C, medium: max. + 60 ° C (Ø 100: max. +80°C) 

Dial: 
1. Scale outside (black), display in bar, 2. scale inside (red), display in PSI 

Protection class: 
IP 42

*with centring pin for profiled seal