Graco 157943 Valve
$65.72
In Stock
The Graco 157943 Valve is a reliable replacement component for spray foam, polyurea, and adhesive machines, ensuring precise fluid control and optimal performance.
- Part Number: 157943
- Type: Valve Component
- Fits Key Machines: Reactor E-30, H-25, H-40, H-50, H-XP2
- Dimensions: ~27 mm diameter, ~2 mm thick
- Status: Discontinued by manufacturer
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Graco 157943 Valve – Overview & Compatible Machines
The Graco 157943 Valve is a genuine replacement component for spray foam, polyurea, and adhesive application equipment. It ensures precise fluid handling and reliable performance. The valve has a diameter of ~27 mm and a thickness of ~2 mm, restoring optimal flow control in your Graco machines.
Compatible Machines
Fits the following Graco machines. Always verify your machine’s serial number before installation:
| Machine Model | Category |
|---|---|
| Graco Reactor E-30 | Spray Foam / Adhesive |
| Graco Reactor H-25 | Spray Foam / Adhesive |
| Graco Reactor H-40 | Spray Foam / Adhesive |
| Graco Reactor H-50 | Spray Foam / Adhesive |
| Graco Reactor H-XP2 | Spray Foam / Adhesive |
Key Features
- Part Number: 157943
- Type: Valve Component
- Diameter: ~27 mm
- Thickness: ~2 mm
- Status: Discontinued by manufacturer
- Application: For spray foam, polyurea, and adhesive fluid-handling systems
Installation & Notes
- Shut down the machine and relieve all pressure before installation.
- Refer to the machine’s parts manual for correct valve orientation.
- Inspect seals, O-rings, or gaskets; replace if worn.
- After installation, perform a test run to confirm proper flow and pressure.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 157943 |
| Type | Valve Component |
| Diameter | ~27 mm |
| Thickness | ~2 mm |
| Status | Discontinued by Manufacturer |
Frequently Asked Questions
The part is discontinued, meaning no further production is planned. Existing stock or refurbished units may be available. Verify compatibility and condition before purchasing.
Compatibility depends on identical valve geometry and mounting. Check the machine’s parts diagram or consult an authorized distributor before installation.
Ensure the valve seat and surrounding surfaces are clean, O-rings or gaskets are in good condition, and the valve is properly aligned. Run a test cycle to validate pressure and flow.
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