
Giant Button Head Coupler
Overview
The Val-Lubric Giant Button Head Coupler (Part No. VL 27524) is a heavy-duty coupler engineered for use with giant button head grease fittings (7/8” / 22mm diameter). Designed to withstand the demands of agricultural, construction, and contractor equipment, this coupler provides a secure and efficient connection between grease guns and oversized grease fittings. It is also known as a hydraulic coupler, grease coupler, lubrication coupler, or zerk coupler.
Inclusions
Each kit contains:
- VL-27425 – Body Coupler x 1
- VL-27426 – Seat Coupler x 1
- VL-27427 – Spacer Washer x 1
- VL-27428 – Cap Coupler x 1
- VL-27429 – Coupler Spring x 1
- VL-634008 – O-Ring Coupler x 1
- VL-27430 – Pipe Plug x 1
Usages
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Lubrication – Accurately delivers grease to oversized button head fittings for reliable performance.
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Maintenance – Essential for regular servicing and extending the lifespan of mechanical systems.
Applications
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Lubrication of Giant Button Head Grease Fittings (7/8” diameter).
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Heavy-duty machinery including:
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Agricultural equipment (tractors, harvesters, etc.)
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Construction vehicles (excavators, loaders, graders)
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Contractor and mining equipment
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Ensures smooth lubrication of large moving parts under heavy load and extreme conditions.
Key Characteristics
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Specialized Size: Fits 7/8” (22mm) giant button head fittings.
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Connection Options: Available in push-on or pull-on models for flexible use.
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Secure Fit: Creates a sealed connection to prevent leakage and ensure complete grease delivery.
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Heavy-Duty Design: Built for high-pressure lubrication systems and industrial use.
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Benefits
✔ Reliable Performance – Provides consistent lubrication under high pressure.
✔ Durability – Made with robust materials for long-term industrial use.
✔ Operator-Friendly – Easy push-on/pull-on design for quick servicing.
✔ Leak-Proof Operation – Sealed connection ensures zero grease loss.
✔ Versatile Use – Compatible with a wide range of heavy machinery in agriculture, construction, and marine sectors.