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PK Lindsay 805-302 Large Mixing Valve Screw – Models 300LA & 600LA
PK Lindsay 805-302 Large Mixing Valve Screw – Models 300LA & 600LA
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PK Lindsay 805-302 Large Mixing Valve Screw – Diagram #5 – Models 300LA & 600LA
Keep your older PK Lindsay abrasive blasting equipment in service with the 805-302 Large Mixing Valve Screw. This screw is an internal component of the large mixing valve assembly used on PK Lindsay Models 300LA and 600LA.
The 805-302 is identified as Item #5 in the exploded parts diagram, making it easy to verify the correct component before ordering.
Part Information:
- Part Number: 805-302
- Product: Large Mixing Valve Screw
- Diagram Item: #5
- Application: PK Lindsay Large Mixing Valve
- Equipment Type: Abrasive Blasting Equipment
Fits PK Lindsay Models:
- Model 300LA
- Model 600LA
Includes:
Exploded Diagram Item #5
Refer to the exploded parts diagram below to identify the component included with this listing.

Applications:
- PK Lindsay abrasive blast pots
- Pressure sandblasting equipment
- Large mixing valve assemblies
- Commercial abrasive blasting systems
- Industrial surface preparation equipment
Features:
- PK Lindsay 805-302 large mixing valve screw
- Identified as #5 in the exploded parts diagram
- Fits Models 300LA & 600LA
- Individual service component for the large mixing valve
- Ideal for repairing or rebuilding an existing mixing valve
- Replaces a worn, damaged, corroded, or missing screw
- Helps restore proper mixing valve operation
- Helps keep older PK Lindsay blasting equipment in service
What It Does:
The 805-302 Screw is an internal component of the PK Lindsay large mixing valve assembly. It works with the other internal valve components involved in controlling abrasive media as it enters the compressed air stream.
Large mixing valves operate in a particularly harsh environment, with abrasive media continuously passing through the assembly during blasting. Years of service can cause wear to the screw and the components it retains.
Replacing worn individual components during a rebuild can help restore dependable operation without replacing the complete mixing valve.
Common Reasons for Replacement:
- Screw is worn or damaged
- Damaged or stripped threads
- Screw head is damaged
- Corrosion or deterioration
- Screw is bent or distorted
- Original screw is lost during disassembly
- Large mixing valve is being completely rebuilt
Part of the 7-36A Rebuild Kit
The 805-302 Screw – Diagram Item #5 is also one of the components included in the PK Lindsay 7-36A Large Mixing Valve Rebuild Kit.
If you're servicing several worn components at the same time, the complete 7-36A rebuild kit may be the more economical option.
Finding Parts for Older PK Lindsay Equipment
PK Lindsay blast machines may no longer be manufactured, but many 300LA and 600LA machines remain in service. Even small individual components can be difficult to identify when you're working from an older exploded parts diagram.
That's why we include the original PK Lindsay part number and exploded diagram item number whenever possible—so you can identify exactly what you need before ordering.
Important:
This listing is for the PK Lindsay 805-302 Large Mixing Valve Screw – Diagram Item #5 only.
Other components shown in the exploded parts diagram are sold separately unless specifically stated otherwise.
Need another part shown in the diagram? Reach out with the PK Lindsay part number or diagram item number—we'll help you find the right part to keep your machine working.
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