McDaniel Controls G Series 4 inch pressure gauges have 1/2 inch NPT connections as standard and are also available with medium and high pressure connections from stock. Ranges from Vacuum to 35,000 psi. We stock these dry but they can be filled with glycerine for no extra cost.
McDaniel Controls G series 4 inch pressure gauge, 0-35,000 psi / bar, 1/4 inch high pressure female bottom entry, all SS, glycerine fillable but shipped dry
