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.
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) |
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. |
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.
