In-stock parts
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In-stock parts
Order by 2PM MST
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Usually ready in 2 hours
2045 West Buckeye Road
Phoenix AZ 85009
United States
The UnitedBuilt U8255705K Diaphragm Assembly is a replacement internal diaphragm assembly for 3" Cla-Val 81665C and 3" UnitedBuilt AV5293 water truck control valves. It restores the primary sealing and actuating assembly inside compatible air-operated valves used in water truck spray and discharge systems.
IMPORTANT: NO SPRING INCLUDED
This listing is for the diaphragm assembly without the diaphragm spring. Reuse the existing spring or order the spring-equipped version separately if required.
Designed as a service replacement for high-cycle water truck valves, the assembly provides a practical repair option for maintaining spray-system operation without replacing the complete valve.
| Feature | Details |
|---|---|
| Replacement Diaphragm Assembly | Internal service assembly for compatible 3" control valves |
| No Spring Included | Designed for applications where the spring is reused or supplied separately |
| Dual Compatibility | Fits 3" Cla-Val 81665C and UnitedBuilt AV5293 valves |
| Water Truck Service | Suitable for spray-system and water-control valve repair |
| Serviceable Valve Solution | Replaces the internal diaphragm assembly without replacing the entire valve |
| Attribute | Details |
|---|---|
| Brand | UnitedBuilt |
| Manufacturer Part # | U8255705K |
| Alternate / Reference Part # | 8255705K |
| Product Type | Valve Seal Kit / Diaphragm Assembly |
| Valve Size | 3" |
| Compatible Cla-Val Valve | 81665C |
| Compatible UnitedBuilt Valve | AV5293 |
| Spring | Not Included |
| Listed Weight | 1.16 lb |
| Application | Use Case |
|---|---|
| Water Truck Spray Valves | Repair of compatible air-operated water control valves |
| Cla-Val 81665C Service | Replacement internal diaphragm assembly for 3" valves |
| UnitedBuilt AV5293 Service | Replacement diaphragm assembly for AV5293 valves |
| Dust-Control Trucks | Maintenance of spray and water-distribution valve systems |
| Water Truck Repair | Helps restore valve operation without complete valve replacement |
| Model Number | AV5293 |
|---|---|
| Country of Origin | USA (subject to change) |
| Weight | 1.16 lb |
| Alternate part number |
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