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Sequence valve from Sun Hydraulics
Kick-down sequence valves will kick completely open and remain open once the pressure at the inlet (port 1) exceeds the valve setting, creating an unrestricted flow path from port 1 to port 2 (sequence). The pressure setting at port 1 is relative to the drain (port 3). The valve remains open as long as the pressure at port 1 exceeds the pressure at port 2. To reset the valve, pressure at port 1 must fall below the setting of the valve, flow from port 1 to port 2 must cease, and pressure at port 2 must be equal to or greater than the pressure at port 1.
Note: Data may vary by configuration. See CONFIGURATION section.
| Cavity | T-2A |
| Series | 2 |
| Capacity | 30 gpm |
| Capacity (metric) | 120 L/min. |
| Maximum Operating Pressure | 5000 psi |
| Maximum Operating Pressure (metric) | 350 bar |
| Factory Pressure Settings Established at | Kick down point |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 3 in³/min. |
| Maximum Valve Leakage at 110 SUS (24 cSt) (metric) | 50 cc/min. |
| Response Time – Typical | 25 ms |
| Adjustment – No. of CW Turns from Min. to Max. setting | 5 |
| Valve Hex Size | 1 1/8 in. |
| Valve Hex Size (metric) | 28,6 mm |
| Valve Installation Torque | 45 – 50 lbf ft |
| Valve Installation Torque (metric) | 61 – 68 Nm |
| Adjustment Screw Internal Hex Size | 5/32 in. |
| Adjustment Screw Internal Hex Size (metric) | 4 mm |
| Locknut Hex Size | 9/16 in. |
| Locknut Hex Size (metric) | 15 mm |
| Locknut Torque | 80 – 90 lbf in. |
| Locknut Torque (metric) | 9 – 10 Nm |
| Model Weight | 0.63 lb. |
| Model Weight (metric) | 0.29 kg. |
| Seal kit – Cartridge | Viton: 990202006 |
Control
| C | Tamper Resistant – Factory Set |
| K | Handknob |
| L | Standard Screw Adjustment |
| O | Handknob with Panel Mount |
| F | Hex Head Screw with Locknut |
| J | Capped Screw Adjustment |
| M | Capped Screw Adjustment with Lockwire Holes |
Adjustment Range
| A | 100 – 3000 psi (7 – 210 bar), 1000 psi (70 bar) Standard Setting |
| B | 50 – 1500 psi (3,5 – 105 bar), 1000 psi (70 bar) Standard Setting |
| C | 150 – 6000 psi (10,5 – 420 bar), 1000 psi (70 bar) Standard Setting |
| D | 25 – 800 psi (1,7 – 55 bar), 400 psi (28 bar) Standard Setting |
| E | 25 – 400 psi (1,7 – 28 bar), 200 psi (14 bar) Standard Setting |
| W | 150 – 4500 psi (10,5 – 315 bar), 1000 psi (70 bar) Standard Setting |
| N | 60 – 800 psi (4 – 55 bar), 400 psi (28 bar) Standard Setting |
Seal Material
| N | Buna-N |
| V | Viton |
Material/Coating
| /AP | Stainless Steel, Passivated |
