Holmbury - Model HQ Series - Compliant Couplings
From Flat-Face couplings
HQ Series Couplings are designed to be used in dirty environments and where oil loss or air inclusion cannot be tolerated on connection or disconnection. The flat face feature allows the operator to clean the coupling surfaces to prevent contamination from entering the system. Typical applications include skid steer attachments, excavator hammer circuits, hydraulic hand tools and breakers, mobile equipment, general industrial, mining and agricultural. Fully compliant with ISO 16028 for interchangeability, dimensions and performance.
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Features
- Swaged stem seal prevents washout.
- Internal spring placement reduces turbulence, decreases pressure drop and improves flow.
- Zinc Nickel finish is chrome VI free and corrosion resistant in excess of 280 hours during salt spray testing.
- No locking nut or retaining clip that can break and cause system damage.
Construction
- Heat treated carbon steel body plated with zinc nickel. Seals are nitrile.
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