Graco 120199 Hex Head Screw Cap 9/16 x 7-1/2
$145.00
In Stock
The Graco 120199 Screw Cap HH 9/16 x 7-1/2 is a precision-engineered high-pressure cap designed for industrial pump assemblies. Key benefits include:
- Compatible Machines: Industrial Airless Sprayers, Reciprocating Piston Pumps, Diaphragm Pump Assemblies, High-Pressure Filtration Systems
- Durable Material: High-strength steel alloy with protective plating
- High Pressure: Rated for continuous operation up to 5,000 psi
- Precision Threads: 9/16"-18 UNF for secure sealing and accurate torque
Quantity
Genuine OEM Part
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Compatible Machines for Graco 120199 Screw Cap HH 9/16 x 7-1/2
- Graco Industrial Airless Sprayers
- Graco Reciprocating Piston Pumps
- Graco Diaphragm Pump Assemblies
- Graco High-Pressure Filtration Systems
Graco 120199 Screw Cap HH – Durable High-Pressure Seal
The Graco 120199 Screw Cap HH 9/16 x 7-1/2 is designed for industrial pump assemblies and high-pressure airless sprayers. Its precision-engineered threads and hex head allow accurate torque application, ensuring a secure seal and optimal pump performance.
Key Features
- Thread Interface: 9/16"-18 UNF class 2A/2B for tight engagement
- Length: 7.50" barrel for correct manifold spacing
- Material: High-strength steel alloy with trivalent chromium or zinc-nickel plating
- High Pressure: Certified for continuous operation up to 5,000 psi
- Supports O-ring and backup ring sealing for consistent performance
- Precision CNC machining ensures thread and face concentricity within 0.0003"
Specifications
| Material | High-strength steel alloy with protective plating |
|---|---|
| Thread Standard | 9/16"-18 UNF class 2A/2B |
| Barrel Length | 7.50" |
| Operating Pressure | Up to 5,000 psi |
| Torque Specification | 75–85 ft-lb |
| Finish | Trivalent chromium or zinc-nickel plating |
Installation & Maintenance
Clean threads and pump receptacle before installation. Apply a compatible thread lubricant, hand-tighten, and torque in stages to seat the gasket. Inspect regularly for corrosion or wear, and replace O-ring and backup ring per OEM guidelines.
Frequently Asked Questions
Compatible with Graco Industrial Airless Sprayers, Reciprocating Piston Pumps, Diaphragm Pump Assemblies, and High-Pressure Filtration Systems.
Constructed from high-strength steel alloy with trivalent chromium or zinc-nickel plating for corrosion resistance.
Recommended torque is 75–85 ft-lb, and the screw cap is certified for continuous operation up to 5,000 psi.
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