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

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Regular price Price: $193.78
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Product Status: Limited Stock

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Eligible for Express Shipping: Yes

Stock Level Updated: Dec 5, 2024


Item Number: CGR25
Weight: 1.7 lb
  • Female Side: Swivel 2 1/2 inch NH / NST
  • The Female will only Connect to a Male 2 1/2" NH / NST
  • Material: Aluminum
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Description

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

 

Specifications

2 1/2" Male Adapter
  • Inside diameter of a male adapter: 2 1/2 inches
  • Outside diameter of a male NH / NST adapter: 3 1/16 inches (3.06) - 7.5 Threads per inch
  • Outside diameter a male NPSH or NPT adapter: 2 7/8 inches (2.84) - 8 Threads per inch

Help Me Connect

NH / NST: The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by 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.

  • The female side of a NH / NST coupling will only connect to a male NH / NST connection
  • The male side of a NH / NST coupling will only connect to a female NH / NST connection

NPSH: National Pipe Straight Hose (NPSH) or Iron Pipe Thread (IPT) has the same threads per inch (TPI) as National Pipe Tapered (NPT) but the thread does not taper. NPSH is a straight thread and seals by a gasket in the female coupling which allows for a swivel, just like NH / NST, which make both ideal for hose couplings.

  • The female side of a NPSH coupling will only connect to a male NPT pipe or a male NPSH connection
  • The male side of a NPSH coupling will only connect to a female NPSH connection
  • It will NOT thread into a female NPT pipe. For example, a male NPSH coupling will NOT thread into a female metal or pvc pipe.

NPT: National Pipe Tapered is common in plumbing and some industrial uses. Sometimes referred to as pipe thread because PVC pipe and schedule 40 pipe are typically threaded in NPT. As its name implies this is a tapered thread so that the outside diameter of the male (ODM) gets smaller towards the end of the fitting and the inside diameter of the female narrows with depth. As the two fittings are threaded together the opposite tapers force thread friction and makes the seal without the use of a gasket.

Warranty Information

Due to the sensitive nature of pressure gauges gauges are only warranted against defects in materials and workmanship, until they are put into service.

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