HoseGuard ®

The HoseGuard offers simple but effective protection against pneumatic systems in the event of a broken compressed air hose or pipe. The air supply is immediately shut off by the HoseGuard, should the volume of air exceed a set value. This “value” is factory pre-set and is set to allow normal air consumption when using air tools, but will react instantly when the pre-set level is breached to protect all personnel and equipment that are near.

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HoseGuard Technical Specifications
Pressure Drop (open)Pressure Drop (by closing)Thread
0.7 to 1.5 psig (0.05-0.1 bar)4 psig (0.3 bar)Male/Female
Female/Female
MaterialsTemperature Range
Aluminum1/4″, 3/8″, 1/2″ = -4 to 176°F (-20 to 80°C)
Stainless Steel3/4″, 1″, 2″ = -4 to 248°F (-20 to 120°C)
Nitrile Rubber & Plastic

Advantages

Protects personnel, machinery and facility
Maintenance friendly | repair possible while plant is still working
Compatible with all pneumatic systems
Can be used as a flow blocker
Lightweight, compact size
Tamper proof
Complies with OSHA and MSHA regulations

HoseGuard

1/4″


Female/Female

HoseGuard

1/4″


Male/Female

HoseGuard

3/8″


Female/Female

HoseGuard

3/8″


Male/Female

HoseGuard

1/2″


Female/Female

HoseGuard

3/4″


Female/Female

HoseGuard

1″


Female/Female

HoseGuard

Part Numbers & Technical Information
Thread ConnectionFlow Type ConnectionMax Inlet PressureFlow Closing PointHoseGuard Part Number
1/4" F/F, NPTLow Flow260 psig (18 bar)Approx. 1.8 scfmPHG281ZL1211
1/4" F/F, NPTStandard Flow260 psig (18 bar)Approx. 23 scfmPHG281A1211
1/4" F/F, NPTHigh Flow260 psig (18 bar)Approx. 38.6 scfmPHG281ZHL1211
1/4" M/F, NPTLow Flow260 psig (18 bar)Approx. 1.8 scfmPHG281ZL1221
1/4" M/F, NPTStandard Flow260 psig (18 bar)Approx. 23 scfmPHG281A1221
1/4" M/F, NPTHigh Flow260 psig (18 bar)Approx. 38.6 scfmPHG281ZH1221
3/8" F/F, NPTStandard Flow260 psig (18 bar)Approx. 49 scfmPHG281A1311
3/8" F/F, NPTHigh Flow260 psig (18 bar)Approx. 65 scfmPHG281ZH1311
3/8" M/F, NPTStandard Flow260 psig (18 bar)Approx. 49 scfmPHG281A1321
3/8" M/F, NPTHigh Flow260 psig (18 bar)Approx. 65 scfmPHG281ZH1321
1/2" F/F, NPTStandard Flow260 psig (18 bar)Approx. 112 scfmPHG281A1411
1/2" F/F, NPTHigh Flow260 psig (18 bar)Approx. 127 scfmPHG281ZH1411
1/2" M/F, NPTStandard Flow260 psig (18 bar)Approx. 112 scfmPHG281A1421
1/2" M/F, NPTHigh Flow260 psig (18 bar)Approx. 127 scfmPHG281ZH1421
3/4" F/F, NPTStandard Flow260 psig (18 bar)Approx. 141 scfmPHG281A1511
3/4" F/F, NPTHigh Flow260 psig (18 bar)Approx. 183 scfmPHG281ZH1511
1" F/F, NPTStandard Flow260 psig (18 bar)Approx. 182 scfmPHG281A1611
1" F/F, NPTHigh Flow260 psig (18 bar)Approx. 268 scfmPHG281ZH1611
2" F/F, NPTBy Request Only260 psig (18 bar)Approx. 456 scfmPHG281A1911

HoseGuard

Hose Length Recommendations
HoseGuard Thread DimensionAir Hose Inside DiameterMax Recommended Air Hose Length
Recommended Maximum Length of Air Hoses @ 100 psig
1/4"1/4"32 Feet
3/8"5/16"36 Feet
3/8"7/16"65 Feet
1/2"7/16"32 Feet
1/2"1/2"49 Feet
1/2"5/8"82 Feet
3/4"3/4"52 Feet
3/4"1"164 Feet
1"1"98 Feet
1"1-1/4"328 Feet
2"2"164 Feet
2"2-1/2"328 Feet

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