

PowrLiner / PowrTex / PowrTwin part 236-012 is an outlet valve seat designed to provide a precision sealing surface for the outlet valve on compatible sprayer models. This component works with the valve ball or poppet to control material flow out of the pump, ensuring proper pressure maintenance and preventing backflow. Replacing a worn, pitted, or damaged outlet valve seat restores pump efficiency and ensures consistent spray performance.
| Part Number | 236-012 |
|---|---|
| Part Description | Outlet Valve Seat |
| Brand | PowrLiner / PowrTex / PowrTwin/ PowrBeast |
| Fits | PowrBeast, PowrLiner 4955, 6955, 8955, 6900 XLT SP, 6900 XLT, 4950, 8900 XLT, 8900 XLT SP, 6950; PowrTex 6900SF, 12000SV; PowrTwin 12000 XLT DI, 12000 XLT, 12000 Plus DI, 6900 XLT, 4900, 6900, 8900, 12000 Plus, 6900 XLT DI, TM 8900 XLT |
| Condition | New |
The 236-012 Outlet Valve Seat is a precision-machined component that provides the sealing surface for the outlet valve on compatible PowrLiner, PowrTex, and PowrTwin sprayer models. It works in conjunction with the valve ball or poppet to control material flow out of the pump, ensuring proper pressure maintenance and preventing backflow.
The outlet valve seat is critical to pump performance. During the pressure stroke, the valve ball or poppet seats against this surface, creating a seal that allows pressurized material to flow out through the outlet. When the pump cycles to the suction stroke, the valve closes, preventing material from being drawn back into the pump from the outlet side. The seat must maintain a smooth, precise surface to ensure a perfect seal with the valve element, preventing internal leakage and pressure loss.
Over time, outlet valve seats can become worn, pitted, or scored due to the constant impact of the valve ball and the flow of material. Contaminants in the fluid can also cause damage to the sealing surface. A worn or damaged seat allows material to leak past, resulting in pressure loss, reduced output, and inefficient operation. Replacing a worn outlet valve seat restores proper valve sealing, ensuring consistent pressure and flow for reliable spray performance.
| Valve sealing | Provides precision surface for valve ball/poppet to seal against |
|---|---|
| Flow control | Helps regulate material flow out of the pump |
| Pressure maintenance | Prevents backflow and maintains system pressure |
| Pressure loss | Sprayer cannot maintain operating pressure |
|---|---|
| Visible wear / pitting | Sealing surface is damaged or uneven |
| Backflow issues | Material flows backward through the outlet valve |
| Reduced output | Decreased flow rate during operation |
Part 236-012 is compatible with the following sprayer models. Always verify fitment using your equipment's parts diagram before ordering.
| Model | Component |
|---|---|
| PowrLiner 4955 | Outlet Valve Seat |
| PowrLiner 6955 | Outlet Valve Seat |
| PowrLiner 8955 | Outlet Valve Seat |
| PowrLiner 6900 XLT SP | Outlet Valve Seat |
| PowrLiner 6900 XLT | Outlet Valve Seat |
| PowrLiner 4950 | Outlet Valve Seat |
| PowrLiner 8900 XLT | Outlet Valve Seat |
| PowrLiner 8900 XLT SP | Outlet Valve Seat |
| PowrLiner 6950 | Outlet Valve Seat |
| PowrTex 6900SF | Outlet Valve Seat |
| PowrTex 12000SV | Outlet Valve Seat |
| PowrTwin 12000 XLT DI | Outlet Valve Seat |
| PowrTwin 12000 XLT | Outlet Valve Seat |
| PowrTwin 12000 Plus DI | Outlet Valve Seat |
| PowrTwin 6900 XLT | Outlet Valve Seat |
| PowrTwin 4900 | Outlet Valve Seat |
| PowrTwin 6900 | Outlet Valve Seat |
| PowrTwin 8900 | Outlet Valve Seat |
| PowrTwin 12000 Plus | Outlet Valve Seat |
| PowrTwin 6900 XLT DI | Outlet Valve Seat |
| PowrTwin TM 8900 XLT | Outlet Valve Seat |
| PowrBeast | Outlet Valve Seat |
When replacing the outlet valve seat, these associated components are often inspected or replaced at the same time.
The mating component that seals against the seat; inspect for wear.
Components that hold the valve in place; check for damage.
The component that holds the valve seat; inspect for damage.