Part 315-700 is a 1-1/4" stainless steel ball used as a check valve component in the fluid pumps of Hydra M, Hydra Pro, and Hydra X airless sprayers. It creates a one‑way seal, allowing paint to flow in the correct direction while preventing backflow, ensuring consistent pressure and reliable priming.
| Part Number | 315-700 |
|---|---|
| Part Description | Stainless Steel Ball (1-1/4") |
| Brand | Titan |
| Fits | Hydra M, Hydra Pro Super, Hydra X 4540 - 7230 |
| Condition | New |
The 315-700 Stainless Steel Ball (1-1/4") is a precision‑ground check ball used in the fluid pump valve assemblies of Hydra M, Hydra Pro, and Hydra X airless sprayers. It works with the valve seat to create a positive seal, allowing paint to flow in one direction while preventing backflow. This ensures consistent pressure, reliable priming, and smooth operation.
Over time, the ball can become worn, pitted, or out‑of‑round, leading to pressure loss, surging, or failure to prime. Replacing a damaged ball with this genuine Titan component restores proper check valve function and extends pump life.
| One‑way flow | Allows paint to exit the pump on the downstroke and seals on the upstroke |
|---|---|
| Pressure maintenance | Prevents backflow that would cause pressure loss and surging |
| Priming | Helps the pump draw fluid from the container and maintain prime |
| Pressure loss | Sprayer fails to build or maintain pressure |
|---|---|
| Surging / erratic spray | Pressure fluctuates wildly during operation |
| Loss of prime | Pump won't prime or loses prime easily |
| Visible wear | Ball is pitted, corroded, or out‑of‑round |
Part 315-700 is compatible with the following models. Always verify fitment using the correct parts diagram for your specific equipment revision.
| Model | Component |
|---|---|
| Hydra M | Stainless Steel Ball (1-1/4") |
| Hydra Pro Super | Stainless Steel Ball (1-1/4") |
| Hydra X 4540 | Stainless Steel Ball (1-1/4") |
| Hydra X 4830 | Stainless Steel Ball (1-1/4") |
| Hydra X 5430 | Stainless Steel Ball (1-1/4") |
| Hydra X 5950 | Stainless Steel Ball (1-1/4") |
| Hydra X 6530 | Stainless Steel Ball (1-1/4") |
| Hydra X 7230 | Stainless Steel Ball (1-1/4") |
When replacing the check ball, inspect these associated components.
The seat must be smooth and undamaged to create a proper seal with the ball.
Worn seals can cause internal leakage; replace as needed.
Worn pump components can also cause pressure loss; inspect if replacing the ball doesn’t resolve the issue.
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