Products – HG1

HG1 SPECIFICATIONS

Hydrant Guard HG1 Check Valve
Pressure rating 250 psi
Material Stainless steel
Breakaway bolts HGBB-01-625
Profile height 2.5"
Maximum recommended riser height 2"

CONFIGURATIONS AVAILABLE

 

TOP (Attached with Breakaway Bolts)

BOTTOM (Attached with Solid Studs)

Model

Bolts

Diameter

Bolt Circle

Standard

Studs

Diameter

Stud Circle

Standard

HG1-611-611

6

5/8-11

9.37

AWWA C503

6

5/8-11

9.37

AWWA C503

HG1-611-622

6

5/8-11

9.37

AWWA C503

6

3/4-10

9.49

SAN DIEGO

HG1-611-822

6

5/8-11

9.37

AWWA C503

8

3/4-10

9.49

ANSI B61.1

MORE INFORMATION

Hydrant Guard HG1 Info Packet Mockup with Tablet

Fill out the form below to download the HG1 Information Packet. Inside you’ll find:

    • Detailed specifications
    • Dimensional drawings
    • Installation recommendations
    • Breakaway bolt specifications
Hydrant Guard Dual Plate Check Valve HG1 During Normal Operation

HG1 during normal operation:

HG1 dual plate check valve resides between the water main and the hydrant, allowing nearly full flow capacity when the hydrant is needed.

Hydrant Guard HG1 Dual Plate Check Valve Immediately Following a Shear

HG1 immediately following a shear:

When a hydrant is sheared (broken), HG1's breakaway bolts snap and the valve doors spring shut as the hydrant separates from the valve.

Hydrant Guard HG1 Dual Plate Check Valve following a shear

HG1 following a hydrant shear:

As the hydrant fully separates from the valve, HG1 effectively shuts off flow from the water main. Only a witness spray remains to alert first responders.

HG1 Unboxing

Watch an unboxing of the Hydrant Guard HG1 stainless steel dual plate check valve.