The Bourdon tube is made of 316 stainless. The dials show dual temperature and pressure scales. All gauges are equipped with restrictors to protect the gauges against pulsating pressure.
- 1/4″ NPT Male connection
- Steel sockets
- Black steel gauges
- Calibrated to 3-2-3% accuracy
Not suitable for fixed applications.
2-1/2″ ammonia gauge, twist on polycarb crystal, 30″-0-400 psi °F
2-1/2″ ammonia gauge, twist on polycarb crystal, 30″-0-150 psi °F
3-1/2″ ammonia gauge, with metal ring & lens, 30″-0-150 psi °F
2-1/2″ Replacement crystal
3-1/2″ Replacement lens