McDaniel Controls P Series 4 inch Polyamid B (Fibreglass Reinforced) case pressure gauges have 1/2 inch NPT connections. Ranges from Vacuum to 35,000 psi. We stock these dry but they can be filled with glycerine for no extra cost.
McDaniel Controls P series 4 inch vacuum / pressure gauge, 30 inch Hg - 30 psi, 1/2 inch NPT bottom connection, polyamid case, brass internals, glycerine fillable but shipped dry
