NORMALLY CLOSED SEQUENCE VALVE FOR PILOT OPERATION
Mounting Surface: 1200, 1600, 2000 Oilgear Standard CavitiesMax Pressure: 5000 PSI (345 bar)
Rated Flow Rate: 39 to 170 gpm (148 to 644 l/min)
When operated by a HSLR pilot operator, the HSU sequence valve connects primary and secondary branches after the pressure requirement on a third branch has been satisfied. This valve can be circuited to be operated by multiple pressure settings.
A HSLR pilot relief valve must be connected via port 4 to top (spring side) of the main spool, and pressure must be connected to port 1 to operate the relief valve which pilots the sequence valve to connect ports 2 and 3. When the inlet pressure (ported thru the valve) exceeds the pilot setting, pressure on the top side of the sloop is relieved. A pressure imbalance then exists across the main spool. Port 1 pressure raises the spool and allows from between ports 2 and 3.
A trim adjustment is provided to vary the cracking and re-seating pressure. The cartridge is constructed of steel parts, and operating parts are hardened and ground as required. The cartridge is designed for easy service or field repair.
|Rated Flow (Δ 100 psi/7 bar)||39 gpm||148 l/min||84 gpm||318 l/min||170 gpm||644 l/min|
|Max Operating Pressure||5000 psi||345 bar||5000 psi||345 bar||5000 psi||345 bar|
|Adjustable Pressure Range||07||50 to 700 psi||3 to 48 bar||50 to 700 psi||3 to 48 bar||50 to 700 psi||3 to 48 bar|
|20||50 to 2000 psi||3 to 138 bar||50 to 2000 psi||3 to 138 bar||50 to 2000 psi||3 to 138 bar|
|35||50 to 3500 psi||3 to 241 bar||50 to 3500 psi||3 to 241 bar||50 to 3500 psi||3 to 241 bar|
|50||50 to 5000 psi||3 to 345 bar||50 to 5000 psi||3 to 345 bar||50 to 5000 psi||3 to 345 bar|
|Viscosity Range||27 to 2000 SSU at 100 °F||1 to 432 cSt|
|Temperature Range||-40 to +350 °F||-40 to +175 °C|