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SUN HYDRAULICS CORP
PPHCBBN
Pressure Control
Cartridge
$407.90
SUN HYDRAULICS CORP
MATERIAL: PPHCBBN
SUMMARY: Cartridge
Quantity in stock: 0
Air-controlled, pilot-operated pressure reducing/relieving valves use compressed air over a diaphragm instead of an adjustable spring to control the setting. These valves reduce a high primary pressure at the inlet (port 2) to a constant reduced pressure at port 1, with a full-flow relief function from port 1 to tank (port 3). The air signal is supplied through a port in the hex-end of the cartridge and the hydraulic setting is directly proportional to the air setting at a ratio of 20:1 (hydraulic:air).
- Full reverse flow from reduced pressure (port 1) to inlet (port 2) may cause the main spool to close. If reverse free flow is required in the circuit, consider adding a separate check valve to the circuit.
- The pressure at port 3 determines the minimum valve setting and should not exceed 1000 psi (70 bar).
- The full adjustment range is 50 to 1500 psi (3,5 to 105 bar).
- Maximum air pressure should not exceed 150 psi (10,5 bar) due to the strength of the diaphragm.
- Maximum pressure differential, inlet to outlet, should not exceed 3000 psi (210 bar).
- Pilot operated reducing, reducing/relieving valves by nature are not fast acting valves. For superior dynamic response, consider direct acting valves.
- The air control feature allows explosion proof remote control.
- All three-port pressure reducing and reducing/relieving cartridges are physically interchangeable (i.e. same flow path, same cavity for a given frame size). When considering mounting configurations, it is sometimes recommended that a full capacity return line (port 3) be used with reducing/relieving cartridges.
- 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.
Cavity | T-17A |
Series | 3 |
Capacity | 40 gpm160 L/min. |
Pilot Ratio | 20:120:1 |
Maximum Operating Pressure | 2000 psi140 bar |
Control Pilot Flow | 15 - 20 in³/min.0,25 - 0,33 L/min. |
Maximum Air Pressure | 150 psi10,5 bar |
Valve Hex Size | 1 1/4 in.31,8 mm |
Valve Installation Torque | 150 - 160 lbf ft203 - 217 Nm |
Adjustment Screw Internal Hex Size | 5/32 in.4 mm |
Locknut Hex Size | 9/16 in.15 mm |
Locknut Torque | 80 - 90 lbf in.9 - 10 Nm |
Model Weight | 1.30 lb0,60 kg |
Seal kit - Cartridge | Viton: 990-017-006 |
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Additional Resources
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- Manufacturing Sun Cartridge Cavities
- Reducing and Reducing/Relieving Valves
- Performance Data
- Sun's Floating Style Screw-In Cartridge
- Units of Measure, Settings, and Conversions
- Sun Model Code Explanation; 999-901-334
- Cavity Information (S-171) and Tooling
- Cartridges: Materials of Construction
- Fluid and Temperature Recommendations