Graco 129535 Pipe Bushing 1/4 NPTF to 3/8 NPTF
The Graco 129535 Pipe Bushing is a high-quality stainless steel adapter designed to connect 1/4 NPTF and 3/8 NPTF fittings in high-pressure Graco systems with leak-free performance.
- Thread Type: 1/4 NPTF (Male) to 3/8 NPTF (Female)
- Material: 316 Stainless Steel
- Pressure Rating: Up to 5,000 psi
- Compatible With: Graco sprayers, coating rigs & lubrication systems
- Feature: Corrosion-resistant and precision-machined for a tight seal
Graco 129535 Pipe Bushing – 1/4 NPTF to 3/8 NPTF Precision Adapter
Compatible Machines
- Graco Airless Paint Sprayers (Contractor, ProX, Ultra, and Mark Series)
- Graco Industrial Coating Rigs and Pump Systems
- Graco Lubrication Equipment
- OEM Coating Lines and Mobile Finishing Systems
Product Overview
The Graco 129535 Pipe Bushing 1/4 NPTF to 3/8 NPTF is a precision-machined stainless steel adapter engineered to connect different thread sizes within high-pressure airless sprayer systems. Designed for durability, corrosion resistance, and leak-free performance, this component ensures optimal flow and mechanical stability under demanding industrial conditions.
| Technical Specifications | |
|---|---|
| Part Number | 129535 |
| Thread Type | 1/4 NPTF (Male) to 3/8 NPTF (Female) |
| Material | 316 Stainless Steel |
| Pressure Rating | Up to 5,000 psi |
| Dimensions | 0.8″ × 0.8″ × 0.85″ |
| Thread Seal Type | Dryseal (NPTF) |
Key Features
- Precision-machined for tight sealing and leak prevention
- Corrosion-resistant stainless steel for use with solvents and coatings
- Compact design for easy installation in limited spaces
- Compatible with Graco spray systems and other NPTF-based equipment
- Tested for performance under high-pressure conditions
Installation Tips
For best performance, tighten the adapter to a torque of 15–20 ft-lbs using a calibrated wrench. Apply an approved thread sealant suitable for high-pressure systems. Regularly inspect threads for wear and clean connections to maintain sealing integrity and prevent flow restriction.
| Question | Answer |
|---|---|
| What is the function of the Graco 129535 Pipe Bushing? | It connects 1/4 NPTF and 3/8 NPTF fittings, providing a secure and leak-free interface for Graco spray systems. |
| Can it be used with non-Graco equipment? | Yes, as long as the equipment uses standard NPTF thread connections and compatible pressure ratings. |
| Is the adapter suitable for solvent-based coatings? | Yes, the 316 stainless steel construction resists corrosion and solvents commonly found in industrial coatings. |
| What pressure can it withstand? | It is rated for pressures up to 5,000 psi, suitable for most airless spray and industrial coating systems. |
Summary
The Graco 129535 Pipe Bushing 1/4 NPTF to 3/8 NPTF is a compact, heavy-duty adapter built to ensure reliable performance in high-pressure Graco spray and lubrication systems. Its durable stainless steel construction, precision thread alignment, and compatibility with multiple Graco machines make it an essential component for professionals seeking long-lasting, leak-free connections in their equipment.
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