The Bucher Pump Valve (P07193) is the replacement directional cartridge for the Bucher PM-319 hydraulic pump. If your power-up / gravity-down system has lost smooth control, weeps fluid at the valve body, or holds load poorly, the cartridge is the part that wears and the part to replace before tearing into the pump.
When does a Bucher pump valve need replacing?
Three telltale signs. Cylinder drifts down under load when it used to hold — internal valve seat wear. Fluid weeps from around the valve body — external O-ring failure. Operation has gotten "soft" or unpredictable — spool or poppet wear. Any of those, the cartridge is the right call before pulling the whole pump.
- Replacement directional valve cartridge for the Bucher PM-319 pump
- Restores smooth power-up / gravity-down control
- OEM fit — no adapters or re-plumbing needed
- Common service item before deeper pump rebuild
- Pierce SKU P07193
For the complete PM-319-6P HPU this valve fits, see the Bucher Power-Up / Gravity-Down HPU. For the 4W/2P valve in the PM-3554 and long-valve PM-3551, see the Bucher 4W/2P Valve Cartridge (P00455D).
