Air-controlled, pilot operated, balanced piston sequence valve

Capacity: 120 gpm480 L/min. | Cavity: T-19A
RSJE : Air-controlled, pilot operated, balanced piston sequence valve
Technical Features [ + ]

Air-controlled, pilot-operated, balanced piston sequence valves use compressed air over a diaphragm instead of an adjustable spring to control the pressure setting of the valve. The air signal is supplied through a port in the hex-end of the cartridge. They will supply a secondary circuit with flow once the pressure at the inlet (port 1) has exceeded the valve setting. The pressure setting of a sequence valve controls the pressure at port 1 relative to the pressure at the drain (port 3). These valves are insensitive to back pressure at port 2 (sequence), up to the valve setting. They may be used to regulate pressure in place of 2-port relief valves if there is pressure in the return line.

  • All 3 port sequence cartridges are physically and functionally interchangeable (i.e. same flow path, same cavity for a given frame size).
  • Pilot flow continues to increase as the pressure at port 1 (inlet), relative to the pressure at port 3 (drain), rises above the valve setting.
  • Maximum air pilot pressure should not exceed 150 psi (10,5 bar).
  • Pressure at port 3 (drain) determines the minimum valve setting and should not exceed 1000 psi (70 bar).
  • Capable of providing explosion proof remote control of the pressure setting, the hydraulic setting is directly porportional to the air setting at a ratio of 20:1 (hydraulic:air).
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.
Technical Data [ + ]
Note: Data may vary by configuration. See CONFIGURATION section.
Cavity T-19A
Series 4
Capacity 120 gpm480 L/min.
Pilot Ratio 20:120:1
Factory Pressure Settings Established at 4 gpm15 L/min.
Maximum Operating Pressure 2000 psi140 bar
Response Time - Typical 10 ms10 ms
Maximum Valve Leakage at 110 SUS (24 cSt) 5 in³/min.80 cc/min.
Maximum Air Pressure 150 psi10,5 bar
Valve Hex Size 1 5/8 in.41,3 mm
Valve Installation Torque 350 - 375 lbf ft474 - 508 Nm
Model Weight 3.10 lb1,40 kg
Seal kit - Cartridge Buna: 990019007
Seal kit - Cartridge Polyurethane: 990019002
Seal kit - Cartridge Viton: 990019006
Performance Curves [ + ]
FAQs [ + ]

Pressure setting tolerances are listed in our Performance Data page. A link to this page can also be found in the Additional Resources tab of the applicable product page.

There are exactly 250 Sun drops in a cubic inch or 15 in a cc.

A sequence valve opens when the pressure at port 1 exceeds the setting of the valve. When pressures at port 1 and port 2 both exceed the setting of the valve the valve goes full open, or sequences. When this happens flow can go in either direction, just so long as port 1 stays above the setting.

Additional Resources [ + ]