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Part 51519 is an inlet ball (valve ball) used in the fluid section of a wide range of SprayTech, PowrLiner, Impact, Helix, AirCoat, Advantage, and Hydrax sprayers. This precision ball works with the inlet valve seat to control material flow into the pumping chamber. It replaces Titan part number 800‑242. Replacing a worn, pitted, or out‑of‑round inlet ball restores proper sealing, consistent flow, and reliable priming.
| Part Number | 51519 (replaces Titan 800‑242) |
|---|---|
| Part Description | Inlet Ball (Valve Ball) – Replaces Titan 800‑242 |
| Brand | SprayTech / PowrLiner / Impact / Helix / AirCoat / Advantage / Hydrax |
| Fits |
SprayTech: LCX 130; GPX1250, GPX130, GPX85; Airless EPX2555, EPX2505, EPX2455, EPX2405, EPX2355, EPX2305, EP2510, EP2400, EP2300, EP2300 SE; Airless Advantage EPX2555, EPX2455, EPX2355
PowrLiner: 1800M, 2800M, 2850
Impact: 1140, 840, 740/840, 1140 I and IA, 1040, 740, 840 I and IA
Helix: VR, FR
AirCoat: 423
Advantage: GPX 130, GPX 85, 1100, 700, 600
Hydrax: 4540 – 7230
|
| Condition | New |
Components: This is a single inlet ball; no additional parts are included.
The 51519 inlet ball is a genuine OEM replacement valve ball used in the fluid section of numerous SprayTech, PowrLiner, Impact, Helix, AirCoat, Advantage, and Hydrax sprayers. It forms a critical seal with the inlet valve seat, opening and closing with each pump stroke to draw material into the pumping chamber and prevent backflow. This part directly replaces Titan 800‑242, ensuring cross‑compatibility and original equipment performance.
Over time, abrasive materials, chemical exposure, and normal cycling can cause the inlet ball to become pitted, worn, or out‑of‑round. A compromised inlet ball leads to poor sealing, loss of prime, reduced flow, and erratic pressure. Replacing the worn ball with 51519 restores proper valve sealing, consistent material delivery, and reliable pump performance.
| Sealing | Creates a tight seal with the inlet valve seat to prevent backflow during the pressure stroke |
|---|---|
| Flow control | Opens to allow material to be drawn into the pump cylinder, closes to direct material to the outlet |
| Priming | Essential for building and maintaining prime; a worn ball leads to loss of prime |
| Pitting or scoring | Visible surface damage that prevents a smooth seal |
|---|---|
| Out‑of‑round | Ball is no longer perfectly spherical, causing leakage |
| Loss of prime | Sprayer will not prime or loses prime under load |
| Pressure loss | Erratic or reduced pressure despite other components being in good condition |
Part 51519 (replaces Titan 800‑242) is compatible with the following models. Always verify fitment using your machine’s parts diagram.
| Brand / Model | Component |
|---|---|
| SprayTech LCX 130 | Inlet Ball |
| SprayTech GPX1250 | Inlet Ball |
| SprayTech GPX130 | Inlet Ball |
| SprayTech GPX85 | Inlet Ball |
| SprayTech Airless EPX2555 | Inlet Ball |
| SprayTech Airless EPX2505 | Inlet Ball |
| SprayTech Airless EPX2455 | Inlet Ball |
| SprayTech Airless EPX2405 | Inlet Ball |
| SprayTech Airless EPX2355 | Inlet Ball |
| SprayTech Airless EPX2305 | Inlet Ball |
| SprayTech Airless EP2510 | Inlet Ball |
| SprayTech Airless EP2400 | Inlet Ball |
| SprayTech Airless EP2300 | Inlet Ball |
| SprayTech Airless EP2300 SE | Inlet Ball |
| SprayTech Airless Advantage EPX2555 | Inlet Ball |
| SprayTech Airless Advantage EPX2455 | Inlet Ball |
| SprayTech Airless Advantage EPX2355 | Inlet Ball |
| PowrLiner 1800M | Inlet Ball |
| PowrLiner 2800M | Inlet Ball |
| PowrLiner 2850 | Inlet Ball |
| Impact 1140 | Inlet Ball |
| Impact 840 | Inlet Ball |
| Impact 740/840 | Inlet Ball |
| Impact 1140 I and IA | Inlet Ball |
| Impact 1040 | Inlet Ball |
| Impact 740 | Inlet Ball |
| Impact 840 I and IA | Inlet Ball |
| Helix VR | Inlet Ball |
| Helix FR | Inlet Ball |
| AirCoat 423 | Inlet Ball |
| Advantage GPX 130 | Inlet Ball |
| Advantage GPX 85 | Inlet Ball |
| Advantage 1100 | Inlet Ball |
| Advantage 700 | Inlet Ball |
| Advantage 600 | Inlet Ball |
| Hydrax 4540 – 7230 | Inlet Ball |
When replacing the inlet ball, it is recommended to inspect and often replace these related components to ensure a complete and reliable repair.
Worn or pitted seat will not seal against the new ball, leading to continued leakage.
A weak or broken spring affects valve timing and can cause priming problems.
If the inlet side is worn, the outlet valve should also be inspected and replaced if necessary.
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