DescriptionThe HQ Series flat face couplings are Holmbury's flagship products, known globally for their leak free performance across multiple applications. The preferred choice for many global OEMs.Note: Male and female couplings are sold separately. First image shows both male and female couplings. FeaturesSafety locking sleeve fitted as standard to prevent accidental disconnection Flat faces are easily wiped clean Minimal inclusion of air and contaminants during connection Flat face design prevents fluid loss during disconnection Bidirectional flow Operating temperatures (With NBR seals): -40°C (-40°F) to 106°C (223°F), (With FKM seals): -20°C (-4°F) to 200°C (392°F) Couplings have been tested to the ISO 18869 Standard SpecificationsBrand: HolmburySeries: HQ SeriesBody Size: 3/4 in.Body Material: Carbon steel W/ zinc nickel platingOperating Temp: -40°C (-40°F) to 106°C (223°F),Seal material: NBRFlow-Rate: 26.4 GPMFlow-Rate: 100 LPMThread Size: 1 5/16-12 UNApprovals/Certif: ISO 16028Thread Type: UNMaximum working pressure (Coupled): 350 BARMaximum working pressure (Coupled): 5075 PSIBurst pressure (Coupled): 1450 BARBurst pressure (Coupled): 21025 PSIBurst pressure (Male *): 1100 BARBurst pressure (Male *): 15950 PSIBurst pressure (Female **): 1050 BARBurst pressure (Female **): 15225 PSI ApplicationsAgricultural Mobile Construction DownloadsSpecification Sheet (PDF Download)
Holmbury Holmbury HQ 3/4 in. Carbon Steel Flat Face Coupling 1 1/16-12 UN, ISO 16028 W/ Nitrile Rubber Seal MSRP: Was: Now: $61.75 - $112.51 Quick view Choose Options
Holmbury Holmbury HQ 5/8 in. Carbon Steel Flat Face Coupling 1 1/16-12 UN, ISO 16028 W/ Nitrile Rubber Seal MSRP: Was: Now: $48.22 - $91.36 Quick view Choose Options
Holmbury Holmbury HQ 1/2 in. Carbon Steel Flat Face Coupling 1 1/16-12 UN, ISO 16028 W/ Nitrile Rubber Seal MSRP: Was: Now: $28.76 - $45.68 Quick view Choose Options
Holmbury Holmbury HQ 1/2 in. Carbon Steel Flat Face Coupling 3/4-16 UNF, ISO 16028 W/ Nitrile Rubber Seal MSRP: Was: Now: $28.76 - $45.68 Quick view Choose Options
Holmbury Holmbury HQ 3/8 in. Carbon Steel Flat Face Coupling 3/4-16 UNF, ISO 16028 W/ Nitrile Rubber Seal MSRP: Was: Now: $18.61 - $31.30 Quick view Choose Options