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Pressure reducing/relieving valve from Sun Hydraulics
Direct-acting, pressure reducing/relieving 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). These valves incorporate a damped construction for stable operation allowing the use of high reduced pressure.
Note: Data may vary by configuration. See CONFIGURATION section.
| Cavity | T-163A |
| Series | 0 |
| Capacity | 5 gpm |
| Capacity (metric) | 20 L/min. |
| Maximum Operating Pressure | 5000 psi |
| Maximum Operating Pressure (metric) | 350 bar |
| Factory Pressure Settings Established at | 0.25 gpm |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 2 in³/min. |
| Maximum Valve Leakage at 110 SUS (24 cSt) (metric) | 30 cc/min. |
| Adjustment – No. of CW Turns from Min. to Max. setting | 7 |
| Valve Hex Size | 3/4 in. |
| Valve Hex Size (metric) | 19,1 mm |
| Valve Installation Torque | 20 – 25 lbf ft |
| Valve Installation Torque (metric) | 27 – 33 Nm |
| Locknut Hex Size | 1/2 in. |
| Locknut Hex Size (metric) | 12,7 mm |
| Locknut Torque | 80 – 90 lbf in. |
| Locknut Torque (metric) | 9 – 10 Nm |
| Model Weight | 0.30 lb. |
| Model Weight (metric) | 0.14 kg. |
| Seal kit – Cartridge | Viton: 990163006 |
Control
| L ★ | Standard Screw Adjustment |
| C | Tamper Resistant – Factory Set |
| K | Handknob |
Adjustment Range
| A | 500 – 3000 psi (35 – 210 bar), 700 psi (50 bar) Standard Setting |
| B | 50 – 1500 psi (3,5 – 105 bar), 200 psi (14 bar) Standard Setting |
| D | 25 – 800 psi (1,7 – 55 bar), 200 psi (14 bar) Standard Setting |
| E | 25 – 400 psi (1,7 – 28 bar), 200 psi (14 bar) Standard Setting |
| S | 25 – 200 psi (1,7 – 14 bar), 100 psi (7 bar) Standard Setting |
| W | 750 – 4500 psi (50 – 315 bar), 1000 psi (70 bar) Standard Setting |
Seal Material
| N | Buna-N |
| V | Viton |
| E | EPDM |
Material/Coating
| /AP | Stainless Steel, Passivated |
| /LH | Mild Steel, Zinc-Nickel |
