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Sequence valve from Sun Hydraulics

Description

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.

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  • All 3 port sequence cartridges are physically and functionally interchangeable (i.e. same flow path, same cavity for a given frame size).
  • Should not be used in load holding applications.
  • The main stage orifice is protected by a 150 micron stainless steel screen.
  • Pressure at port 3 is directly additive to the valve setting at a 1:1 ratio and should not exceed 5000 psi (350 bar).
  • Intended for use on the actuator side of the system as flow through the valve must cease for the valve to reset. If used on the pump side of a system, pump flow must be shut off for the valve to reset.
  • Corrosion resistant cartridge valves are intended for use in corrosive environments and are identified by the model code suffix /AP for external stainless steel components, or /LH for external zinc-nickel plated components. See the CONFIGURATION section for all options. For further details, please see the Materials of Construction page located under TECH RESOURCES.
  • 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-11A
Series 1
Capacity 15 gpm
Capacity (metric) 60 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) 2 in³/min.
Maximum Valve Leakage at 110 SUS (24 cSt) (metric) 30 cc/min.
Response Time – Typical 25 ms
Adjustment – No. of CW Turns from Min. to Max. setting 5
Valve Hex Size 7/8 in.
Valve Hex Size (metric) 22,2 mm
Valve Installation Torque 30 – 35 lbf ft
Valve Installation Torque (metric) 41 – 47 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 0.35 lb.
Model Weight (metric) 0.16 kg.
Seal kit – Cartridge Viton: 990011006

Configuration Options

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
Q Capped and Lockwired

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
Q 60 – 400 psi (4 – 28 bar), 200 psi (14 bar) Standard Setting

Seal Material

N Buna-N
V Viton

Material/Coating

/AP Stainless Steel, Passivated
Cavity: T-11A
Nominal Capacity: 15 gpm (60 lpm )
Downloads
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Possible variants

SQDBCAN, SQDB-CAN, SQDBCAN/AP, SQDB-CAN/AP, SQDBCAV, SQDB-CAV, SQDBCAV/AP, SQDB-CAV/AP, SQDBCBN, SQDB-CBN, SQDBCBN/AP, SQDB-CBN/AP, SQDBCBV, SQDB-CBV, SQDBCBV/AP, SQDB-CBV/AP, SQDBCCN, SQDB-CCN, SQDBCCN/AP, SQDB-CCN/AP, SQDBCCV, SQDB-CCV, SQDBCCV/AP, SQDB-CCV/AP, SQDBCDN, SQDB-CDN, SQDBCDN/AP, SQDB-CDN/AP, SQDBCDV, SQDB-CDV, SQDBCDV/AP, SQDB-CDV/AP, SQDBCEN, SQDB-CEN, SQDBCEN/AP, SQDB-CEN/AP, SQDBCEV, SQDB-CEV, SQDBCEV/AP, SQDB-CEV/AP, SQDBCQN, SQDB-CQN, SQDBCQN/AP, SQDB-CQN/AP, SQDBCQV, SQDB-CQV, SQDBCQV/AP, SQDB-CQV/AP, SQDBCWN, SQDB-CWN, SQDBCWN/AP, SQDB-CWN/AP, SQDBCWV, SQDB-CWV, SQDBCWV/AP, SQDB-CWV/AP, SQDBFAN, SQDB-FAN, SQDBFAV, SQDB-FAV, SQDBFBN, SQDB-FBN, SQDBFBV, SQDB-FBV, SQDBFCN, SQDB-FCN, SQDBFCV, SQDB-FCV, SQDBFDN, SQDB-FDN, SQDBFDV, SQDB-FDV, SQDBFEN, SQDB-FEN, SQDBFEV, SQDB-FEV, SQDBFQN, SQDB-FQN, SQDBFQV, SQDB-FQV, SQDBFWN, SQDB-FWN, SQDBFWV, SQDB-FWV, SQDBJAN, SQDB-JAN, SQDBJAV, SQDB-JAV, SQDBJBN, SQDB-JBN, SQDBJBV, SQDB-JBV, SQDBJCN, SQDB-JCN, SQDBJCV, SQDB-JCV, SQDBJDN, SQDB-JDN, SQDBJDV, SQDB-JDV, SQDBJEN, SQDB-JEN, SQDBJEV, SQDB-JEV, SQDBJQN, SQDB-JQN, SQDBJQV, SQDB-JQV, SQDBJWN, SQDB-JWN, SQDBJWV, SQDB-JWV, SQDBKAN, SQDB-KAN, SQDBKAV, SQDB-KAV, SQDBKBN, SQDB-KBN, SQDBKBV, SQDB-KBV, SQDBKCN, SQDB-KCN, SQDBKCV, SQDB-KCV, SQDBKDN, SQDB-KDN, SQDBKDV, SQDB-KDV, SQDBKEN, SQDB-KEN, SQDBKEV, SQDB-KEV, SQDBKQN, SQDB-KQN, SQDBKQV, SQDB-KQV, SQDBKWN, SQDB-KWN, SQDBKWV, SQDB-KWV, SQDBLAN, SQDB-LAN, SQDBLAN/AP, SQDB-LAN/AP, SQDBLAV, SQDB-LAV, SQDBLAV/AP, SQDB-LAV/AP, SQDBLBN, SQDB-LBN, SQDBLBN/AP, SQDB-LBN/AP, SQDBLBV, SQDB-LBV, SQDBLBV/AP, SQDB-LBV/AP, SQDBLCN, SQDB-LCN, SQDBLCN/AP, SQDB-LCN/AP, SQDBLCV, SQDB-LCV, SQDBLCV/AP, SQDB-LCV/AP, SQDBLDN, SQDB-LDN, SQDBLDN/AP, SQDB-LDN/AP, SQDBLDV, SQDB-LDV, SQDBLDV/AP, SQDB-LDV/AP, SQDBLEN, SQDB-LEN, SQDBLEN/AP, SQDB-LEN/AP, SQDBLEV, SQDB-LEV, SQDBLEV/AP, SQDB-LEV/AP, SQDBLQN, SQDB-LQN, SQDBLQN/AP, SQDB-LQN/AP, SQDBLQV, SQDB-LQV, SQDBLQV/AP, SQDB-LQV/AP, SQDBLWN, SQDB-LWN, SQDBLWN/AP, SQDB-LWN/AP, SQDBLWV, SQDB-LWV, SQDBLWV/AP, SQDB-LWV/AP, SQDBOAN, SQDB-OAN, SQDBOAV, SQDB-OAV, SQDBOBN, SQDB-OBN, SQDBOBV, SQDB-OBV, SQDBOCN, SQDB-OCN, SQDBOCV, SQDB-OCV, SQDBODN, SQDB-ODN, SQDBODV, SQDB-ODV, SQDBOEN, SQDB-OEN, SQDBOEV, SQDB-OEV, SQDBOQN, SQDB-OQN, SQDBOQV, SQDB-OQV, SQDBOWN, SQDB-OWN, SQDBOWV, SQDB-OWV, SQDBQAN, SQDB-QAN, SQDBQAV, SQDB-QAV, SQDBQBN, SQDB-QBN, SQDBQBV, SQDB-QBV, SQDBQCN, SQDB-QCN, SQDBQCV, SQDB-QCV, SQDBQDN, SQDB-QDN, SQDBQDV, SQDB-QDV, SQDBQEN, SQDB-QEN, SQDBQEV, SQDB-QEV, SQDBQQN, SQDB-QQN, SQDBQQV, SQDB-QQV, SQDBQWN, SQDB-QWN, SQDBQWV, SQDB-QWV