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RQEB

Relief valve from Sun Hydraulics

Description

Kick-down relief cartridges act similar to a circuit breaker in an electrical system. The valves will kick completely open and remain open once the pressure at the inlet (port 1) exceeds the valve settting, creating an unrestricted flow path from port 1 to tank (port 2). The valve remains open as long as the pressure at port 1 exceeds the pressure at port 2. To reset 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 2-port relief cartridges (except pilot reliefs) are physically and functionally interchangeable (same flow path, same cavity for a given frame size).
  • To reset valve, flow through the cartridge must cease.
  • Main stage orifice is protected by a 150-micron stainless steel screen.
  • Not suitable for use in load holding applications.
  • 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.
  • Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio.
  • 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-10A
Series 1
Capacity 25 gpm
Capacity (metric) 95 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.@1000 psi
Maximum Valve Leakage at 110 SUS (24 cSt) (metric) 30 cc/min.@70 bar
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 0.31 lb.
Model Weight (metric) 0.14 kg.
Seal kit – Cartridge Viton: 990010006

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
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
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-10A
Nominal Capacity: 25 gpm (95 lpm )
Downloads
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Possible variants

RQEBCAN, RQEB-CAN, RQEBCAN/AP, RQEB-CAN/AP, RQEBCAV, RQEB-CAV, RQEBCAV/AP, RQEB-CAV/AP, RQEBCBN, RQEB-CBN, RQEBCBN/AP, RQEB-CBN/AP, RQEBCBV, RQEB-CBV, RQEBCBV/AP, RQEB-CBV/AP, RQEBCCN, RQEB-CCN, RQEBCCN/AP, RQEB-CCN/AP, RQEBCCV, RQEB-CCV, RQEBCCV/AP, RQEB-CCV/AP, RQEBCDN, RQEB-CDN, RQEBCDN/AP, RQEB-CDN/AP, RQEBCDV, RQEB-CDV, RQEBCDV/AP, RQEB-CDV/AP, RQEBCEN, RQEB-CEN, RQEBCEN/AP, RQEB-CEN/AP, RQEBCEV, RQEB-CEV, RQEBCEV/AP, RQEB-CEV/AP, RQEBCNN, RQEB-CNN, RQEBCNN/AP, RQEB-CNN/AP, RQEBCNV, RQEB-CNV, RQEBCNV/AP, RQEB-CNV/AP, RQEBCQN, RQEB-CQN, RQEBCQN/AP, RQEB-CQN/AP, RQEBCQV, RQEB-CQV, RQEBCQV/AP, RQEB-CQV/AP, RQEBCWN, RQEB-CWN, RQEBCWN/AP, RQEB-CWN/AP, RQEBCWV, RQEB-CWV, RQEBCWV/AP, RQEB-CWV/AP, RQEBFAN, RQEB-FAN, RQEBFAV, RQEB-FAV, RQEBFBN, RQEB-FBN, RQEBFBV, RQEB-FBV, RQEBFCN, RQEB-FCN, RQEBFCV, RQEB-FCV, RQEBFDN, RQEB-FDN, RQEBFDV, RQEB-FDV, RQEBFEN, RQEB-FEN, RQEBFEV, RQEB-FEV, RQEBFNN, RQEB-FNN, RQEBFNV, RQEB-FNV, RQEBFQN, RQEB-FQN, RQEBFQV, RQEB-FQV, RQEBFWN, RQEB-FWN, RQEBFWV, RQEB-FWV, RQEBJAN, RQEB-JAN, RQEBJAV, RQEB-JAV, RQEBJBN, RQEB-JBN, RQEBJBV, RQEB-JBV, RQEBJCN, RQEB-JCN, RQEBJCV, RQEB-JCV, RQEBJDN, RQEB-JDN, RQEBJDV, RQEB-JDV, RQEBJEN, RQEB-JEN, RQEBJEV, RQEB-JEV, RQEBJNN, RQEB-JNN, RQEBJNV, RQEB-JNV, RQEBJQN, RQEB-JQN, RQEBJQV, RQEB-JQV, RQEBJWN, RQEB-JWN, RQEBJWV, RQEB-JWV, RQEBKAN, RQEB-KAN, RQEBKAV, RQEB-KAV, RQEBKBN, RQEB-KBN, RQEBKBV, RQEB-KBV, RQEBKCN, RQEB-KCN, RQEBKCV, RQEB-KCV, RQEBKDN, RQEB-KDN, RQEBKDV, RQEB-KDV, RQEBKEN, RQEB-KEN, RQEBKEV, RQEB-KEV, RQEBKNN, RQEB-KNN, RQEBKNV, RQEB-KNV, RQEBKQN, RQEB-KQN, RQEBKQV, RQEB-KQV, RQEBKWN, RQEB-KWN, RQEBKWV, RQEB-KWV, RQEBLAN, RQEB-LAN, RQEBLAN/AP, RQEB-LAN/AP, RQEBLAV, RQEB-LAV, RQEBLAV/AP, RQEB-LAV/AP, RQEBLBN, RQEB-LBN, RQEBLBN/AP, RQEB-LBN/AP, RQEBLBV, RQEB-LBV, RQEBLBV/AP, RQEB-LBV/AP, RQEBLCN, RQEB-LCN, RQEBLCN/AP, RQEB-LCN/AP, RQEBLCV, RQEB-LCV, RQEBLCV/AP, RQEB-LCV/AP, RQEBLDN, RQEB-LDN, RQEBLDN/AP, RQEB-LDN/AP, RQEBLDV, RQEB-LDV, RQEBLDV/AP, RQEB-LDV/AP, RQEBLEN/AP, RQEB-LEN/AP, RQEBLEV, RQEB-LEV, RQEBLEV/AP, RQEB-LEV/AP, RQEBLNN, RQEB-LNN, RQEBLNN/AP, RQEB-LNN/AP, RQEBLNV, RQEB-LNV, RQEBLNV/AP, RQEB-LNV/AP, RQEBLQN, RQEB-LQN, RQEBLQN/AP, RQEB-LQN/AP, RQEBLQV, RQEB-LQV, RQEBLQV/AP, RQEB-LQV/AP, RQEBLWN, RQEB-LWN, RQEBLWN/AP, RQEB-LWN/AP, RQEBLWV, RQEB-LWV, RQEBLWV/AP, RQEB-LWV/AP, RQEBMAN, RQEB-MAN, RQEBMAV, RQEB-MAV, RQEBMBN, RQEB-MBN, RQEBMBV, RQEB-MBV, RQEBMCN, RQEB-MCN, RQEBMCV, RQEB-MCV, RQEBMDN, RQEB-MDN, RQEBMDV, RQEB-MDV, RQEBMEN, RQEB-MEN, RQEBMEV, RQEB-MEV, RQEBMNN, RQEB-MNN, RQEBMNV, RQEB-MNV, RQEBMQN, RQEB-MQN, RQEBMQV, RQEB-MQV, RQEBMWN, RQEB-MWN, RQEBMWV, RQEB-MWV, RQEBOAN, RQEB-OAN, RQEBOAV, RQEB-OAV, RQEBOBN, RQEB-OBN, RQEBOBV, RQEB-OBV, RQEBOCN, RQEB-OCN, RQEBOCV, RQEB-OCV, RQEBODN, RQEB-ODN, RQEBODV, RQEB-ODV, RQEBOEN, RQEB-OEN, RQEBOEV, RQEB-OEV, RQEBONN, RQEB-ONN, RQEBONV, RQEB-ONV, RQEBOQN, RQEB-OQN, RQEBOQV, RQEB-OQV, RQEBOWN, RQEB-OWN, RQEBOWV, RQEB-OWV