Spiral tube gauge S-36/37/40 (fire extinguisher gauge)
Size: 36mm, 37mm or 40mm
Measuring Range: 300psi up to 5,000psi (350 bar)
Dial: white aluminum with markings and graduations
Window: polycarbonate
Pointer: black or yellow painted brass
Case: zinc plated, sus304 stainless steel
Socket: brass, sus304 stainless steel
Spiral tube: phosphor bronze spiral tube for pressure up to 3000 psi, 304 stainless steel for 4,000 psi to 5,000 psi
Connection: 1/8″, 1/4″PT, NPT, BSP thread
Mounting: center back
Accuracy: +/-4% of full scale
Operating Temperature Limit: -20 ~ 60°C (-4 ~ 140°F)
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