Aluminum 1 1/2" NH Cap Gauge With Bleeder Valve

Aluminum cap gauge for testing static pressures in trucks or fire hydrants.

• Aluminum components are machined from 6061-T6 aluminum seamless extrusions
• Aluminum components are hardcoat anodized per MIL-A-8625 Type III, Class 1
• Cap gauge attached with aluminum piston rings
• Integrated swivel allows cap to be properly positioned in any direction
• Dial face is bright white with black numbering from 0 to 300 PSI in 5 lb. increments
• The glycerine protects the gauge from freezing to -40° F and reduces the effects of vibration to allow accurate readings
• Full scale accuracy +/-1.5%
• Petcock for release of pressure

The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread but NST or NH is more common these days. NH = NST