Shopping cart
Your Cart is empty
Graco 155-570 Swivel Adapter 1/4" NPT(f) x 1/4" NPS(f) | Bedford 12-409
PriceQuantity
$ 15.31
Part #:
155570
MPN:12-409
Manufacturer:Bedford Precision Parts
Guaranteed safe & secure checkout
In Stock
Graco 155-570 and Binks 83-1935 Swivel Adapter 1/4 in. NPT(F) × 1/4 in. NPS(F) Aftermarket by Bedford 12-409
The Graco 155-570 and Binks 83-1935 swivel adapter — aftermarket equivalent Bedford 12-409 — connects NPT and NPS threads securely while allowing the hose to rotate freely. Its swivel design reduces strain on fittings and maintains tight, leak-free connections across professional air and coating systems.
Aftermarket
Precision Machined
Swivel Union
Why Choose This Swivel Adapter
- Direct aftermarket replacement for the OEM swivel fitting.
- 1/4 in. NPT(F) × 1/4 in. NPS(F) threads allow mixed-standard connections.
- Swivel joint prevents hose twist and ensures smooth movement.
- Machined metal body ensures leak resistance under pressure.
Typical Compatibility*
- Graco and Binks spray systems
- DeVilbiss air regulators and manifolds
- General paint and solvent lines
- Industrial air tools using 1/4-in. female fittings
*Confirm NPT vs NPS requirements before installation. This adapter transitions between tapered and straight threads safely.
Technical Specifications
| Specification | Detail |
|---|---|
| Aftermarket Part # | Bedford 12-409 |
| OEM References | Graco 155-570 / Binks 83-1935 |
| Thread Type | 1/4 in. NPT(F) × 1/4 in. NPS(F) |
| Design | Swivel union for easy alignment |
| Material | Precision-machined steel or brass alloy |
| Working Pressure | Up to 300 PSI (air systems) |
| Temperature Range | −20 °F to 200 °F typical |
| Brand | Bedford Precision Parts (Aftermarket) |
Installation Notes
- Connect NPT male to the NPT(F) port and NPS male to the NPS(F) side.
- Apply PTFE tape or approved sealant to NPT male threads only.
- Tighten gently using two wrenches—one on each side—to protect the swivel.
- Check for leaks under low pressure before full operation.
- Lubricate the swivel occasionally with light pneumatic oil for smooth rotation.
When to Replace
- Leaking swivel or thread joints
- Seized or rough swivel movement
- Thread wear or visible corrosion
- Body damage from over-tightening
Bedford 12-409 vs OEM Versions
| Feature | Bedford Aftermarket | OEM (Binks / Graco) |
|---|---|---|
| Part Number | 12-409 | 83-1935 / 155-570 |
| Thread Size | 1/4 in. NPT(F) × 1/4 in. NPS(F) | Same |
| Swivel Function | Free rotation for hose alignment | Same |
| Availability | If in stock, ships from Bedford Precision Parts in Bedford Hill, New York | May require OEM lead time |
| Value | Lower price, same performance | Higher OEM cost |
Frequently Asked Questions
It joins 1/4 in. NPT(F) and 1/4 in. NPS(F) fittings, bridging tapered and straight threads securely.
Yes. The free-rotating joint prevents binding and makes gun alignment easier.
Use PTFE or thread sealant only on NPT male threads. NPS threads seal as specified by your equipment manual.
Rated up to 300 PSI for air and coating systems; follow the lowest-rated system component.
If in stock, ships directly from Bedford Precision Parts in Bedford Hill, New York.
