

Part 761-715 is a replacement 1/4 inch tungsten carbide ball for compatible PowrTwin and PowrLiner equipment. This precision ball serves as a check valve component in high-wear applications, providing exceptional durability and resistance to abrasion. When the original ball becomes worn, pitted, or damaged, replacement restores proper valve sealing and pump performance.
| Part Number | 761-715 |
|---|---|
| Part Description | Ball, 1/4, tungsten |
| Brand | Universal |
| Fits | PowrTwin 12000GHD; PowrTwin 12000GH; PowrTwin 12000 GHD; PowrTwin 8900GH; PowrTwin 6900GH; PowrTwin 4900GH; PowrLiner 8900; PowrLiner 4900 |
| Condition | New |
The 761-715 tungsten carbide ball is a direct replacement check valve component for PowrTwin 12000GHD, 12000GH, 12000 GHD, 8900GH, 6900GH, 4900GH, and PowrLiner 8900 and 4900 equipment. This precision-ground 1/4 inch ball is used in check valve assemblies where extreme wear resistance is required. Tungsten carbide is one of the hardest materials used in valve applications, offering exceptional resistance to abrasion, corrosion, and deformation. It is ideal for applications involving abrasive fluids, high pressures, or frequent cycling. The ball seats against a valve seat to prevent backflow during the pressure stroke and lifts during the intake stroke to allow material flow. A smooth, perfectly round, and extremely hard ball is essential for achieving a positive seal and reliable valve operation in demanding environments. A worn, pitted, or out-of-round ball can cause leakage, pressure loss, and reduced pump efficiency. This replacement ball is manufactured to exact specifications for diameter, roundness, and surface finish. Installation requires careful handling to avoid damage and proper seating against the valve seat. Tungsten carbide balls are often used in high-wear applications such as abrasive coating sprayers.
| Check valve action | Allows one-way flow of material |
|---|---|
| Sealing | Seats against valve seat to prevent backflow |
| Wear resistance | Tungsten carbide resists abrasion and wear |
| Worn / pitted surface | Ball no longer seals against seat |
|---|---|
| Out-of-round | Ball deformed, cannot seal properly |
| Loss of prime | Pump loses prime frequently |
| Backflow | Material flows backward through valve |
Tungsten ball 761-715 is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Models |
|---|
| PowrTwin 12000GHD |
| PowrTwin 12000GH |
| PowrTwin 12000 GHD |
| PowrTwin 8900GH |
| PowrTwin 6900GH |
| PowrTwin 4900GH |
| PowrLiner 8900 |
| PowrLiner 4900 |
When replacing the tungsten ball, inspect these associated components to ensure proper valve function.
Check sealing surface for damage or wear.
Inspect for proper tension and condition.
Ensure ball moves freely within cage.