Fire Hydrant Backflow Preventer

Item Number: BFP250-DC
  • Fire Hydrant Backflow Preventer
1 7
$1,170.32
$1,170.32
Sale Sold out
In Stock (10 or more)
Ships
Estimated transit time: 2 to 5 Business Days Eligible for Express Shipping

Free Shipping

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

2 1/2" NH / NST Fire Hydrant

  • Outside diameter of a male NH / NST fire hydrant - 3 1/16 inches (7.5 Threads per inch)
View full details

Additional Details

Double check valves back flow prevention assembly is used to protect water supplies from contamination or pollution due to back flow. Three top mounted test cocks ensure easy access during repair and maintenance. Consists of two spring-loaded poppet type check valves and a mechanically independent, hydraulically dependent pressure differential relief valve. Designed to give maximum protection against back flow caused by back-pressure or back-siphonage from a cross-connection wherein a contaminant hazard exists.

Specifications

  •  Inlet: Female 2 1/2 inch NH / NST
  • Outlet: Female 2 inch Pipe Thread (NPT)
  • Maximum Pressure: 175 PSI
  • Will connect to most fire hydrants
  • Stainless steel shut-off valve handles
  • Zurn: Wilkins
  • Includes: Aluminum 2 1/2 inch Swivel Female NH to 2 inch Male NPT
  • Not Eligible for Returns if Used

Dimensions

  • A: 16 inches
  • B: 14 3/8 inches
  • C: 3 1/8 inches
  • D: 6 1/4 inches
  • E: 3 3/4 inches
  • F: 2 1/4 inches
  • H: 20 3/4 inches

Related Products