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PPDB

Pressure reducing/relieving valve from Sun Hydraulics

Description

Pilot-operated, 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).

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  • 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.
  • 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.
  • If pilot flow consumption is critical, consider using direct acting reducing/relieving valves.
  • Recommended maximum inlet pressure is determined by the adjustment range. Ranges D, E, N, and Q are tested with a 2000 psi (140 bar) maximum differential between inlet and reduced pressure. Ranges A, B, and H are tested with a 3000 psi (210 bar) maximum differential between inlet and reduced pressure. Ranges C and W are tested with 5000 psi (350 bar) of inlet pressure.
  • Pilot operated valves exhibit exceptionally flat pressure/flow characteristics, are very stable and have low hysteresis.
  • Pressure at port 3 is directly additive to the valve setting at a 1:1 ratio and should not exceed 5000 psi (350 bar).
  • Pilot operated reducing, reducing/relieving valves by nature are not fast acting valves. For superior dynamic response, consider direct acting valves.
  • W and Y controls (where applicable) can be specified with or without a special setting. When no special setting is specified, the valve is adjustable throughout its full range using the W or Y control. When a special setting is specified, this setting represents the maximum setting of the valve.
  • Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
  • 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 10 gpm
Capacity (metric) 40 L/min.
Maximum Operating Pressure 5000 psi
Maximum Operating Pressure (metric) 350 bar
Factory Pressure Settings Established at blocked control port (dead headed)
Control Pilot Flow 7 – 10 in³/min.
Control Pilot Flow (metric) 0,11 – 0,16 L/min.
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 0.33 lb.
Model Weight (metric) 0.15 kg.
Seal kit – Cartridge Viton: 990011006

Configuration Options

Control

L ★ Standard Screw Adjustment
C Tamper Resistant – Factory Set
K Handknob
Y Tri-Grip Handknob
M Capped Screw Adjustment with Lockwire Holes
O Handknob with Panel Mount
Q Capped and Lockwired
W Hex Wrench Adjustment

Adjustment Range

A ★ 100 – 3000 psi (7 – 210 bar), 200 psi (14 bar) Standard Setting
W ★ 150 – 4500 psi (10,5 – 315 bar), 200 psi (14 bar) Standard Setting
B 50 – 1500 psi (3,5 – 105 bar), 200 psi (14 bar) Standard Setting
N 60 – 800 psi (4 – 55 bar), 200 psi (14 bar) Standard Setting
Q 60 – 400 psi (4 – 28 bar), 200 psi (14 bar) Standard Setting
C 150 – 6000 psi (10,5 – 420 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
H 30 – 3000 psi (2 – 210 bar), 200 psi (14 bar) Standard Setting
J 25 – 1500 psi (1,7 – 105 bar), 200 psi (14 bar) Standard Setting
K 75 – 1500 psi (5 – 105 bar), 200 psi (14 bar) Standard Setting
O 15 – 400 psi (1 – 28 bar), 200 psi (14 bar) Standard Setting
P 40 – 400 psi (2,8 – 28 bar), 200 psi (14 bar) Standard Setting

Seal Material

N ★ Buna-N
V Viton

Material/Coating

/AP Stainless Steel, Passivated
/LH Mild Steel, Zinc-Nickel
Cavity: T-11A
Nominal Capacity: 40 lpm (10 gpm)
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Possible variants

PPDB8DN, PPDB-8DN, PPDB8DV, PPDB-8DV, PPDB8WN, PPDB-8WN, PPDB8WV, PPDB-8WV, PPDBCAN, PPDB-CAN, PPDBCAN/AP, PPDB-CAN/AP, PPDBCAN/LH, PPDB-CAN/LH, PPDBCAV, PPDB-CAV, PPDBCAV/AP, PPDB-CAV/AP, PPDBCAV/LH, PPDB-CAV/LH, PPDBCBN, PPDB-CBN, PPDBCBN/AP, PPDB-CBN/AP, PPDBCBN/LH, PPDB-CBN/LH, PPDBCBV, PPDB-CBV, PPDBCBV/AP, PPDB-CBV/AP, PPDBCBV/LH, PPDB-CBV/LH, PPDBCCN, PPDB-CCN, PPDBCCN/AP, PPDB-CCN/AP, PPDBCCN/LH, PPDB-CCN/LH, PPDBCCV, PPDB-CCV, PPDBCCV/AP, PPDB-CCV/AP, PPDBCCV/LH, PPDB-CCV/LH, PPDBCDN, PPDB-CDN, PPDBCDN/AP, PPDB-CDN/AP, PPDBCDN/LH, PPDB-CDN/LH, PPDBCDV, PPDB-CDV, PPDBCDV/AP, PPDB-CDV/AP, PPDBCDV/LH, PPDB-CDV/LH, PPDBCEN, PPDB-CEN, PPDBCEN/AP, PPDB-CEN/AP, PPDBCEN/LH, PPDB-CEN/LH, PPDBCEV, PPDB-CEV, PPDBCEV/AP, PPDB-CEV/AP, PPDBCEV/LH, PPDB-CEV/LH, PPDBCHN, PPDB-CHN, PPDBCHN/AP, PPDB-CHN/AP, PPDBCHN/LH, PPDB-CHN/LH, PPDBCHV, PPDB-CHV, PPDBCHV/AP, PPDB-CHV/AP, PPDBCHV/LH, PPDB-CHV/LH, PPDBCJN, PPDB-CJN, PPDBCJN/AP, PPDB-CJN/AP, PPDBCJN/LH, PPDB-CJN/LH, PPDBCJV, PPDB-CJV, PPDBCJV/AP, PPDB-CJV/AP, PPDBCJV/LH, PPDB-CJV/LH, PPDBCKN, PPDB-CKN, PPDBCKN/AP, PPDB-CKN/AP, PPDBCKN/LH, PPDB-CKN/LH, PPDBCKV, PPDB-CKV, PPDBCKV/AP, PPDB-CKV/AP, PPDBCKV/LH, PPDB-CKV/LH, PPDBCNN, PPDB-CNN, PPDBCNN/AP, PPDB-CNN/AP, PPDBCNN/LH, PPDB-CNN/LH, PPDBCNV, PPDB-CNV, PPDBCNV/AP, PPDB-CNV/AP, PPDBCNV/LH, PPDB-CNV/LH, PPDBCON, PPDB-CON, PPDBCON/AP, PPDB-CON/AP, PPDBCON/LH, PPDB-CON/LH, PPDBCOV, PPDB-COV, PPDBCOV/AP, PPDB-COV/AP, PPDBCOV/LH, PPDB-COV/LH, PPDBCPN, PPDB-CPN, PPDBCPN/AP, PPDB-CPN/AP, PPDBCPN/LH, PPDB-CPN/LH, PPDBCPV, PPDB-CPV, PPDBCPV/AP, PPDB-CPV/AP, PPDBCPV/LH, PPDB-CPV/LH, PPDBCQN, PPDB-CQN, PPDBCQN/AP, PPDB-CQN/AP, PPDBCQN/LH, PPDB-CQN/LH, PPDBCQV, PPDB-CQV, PPDBCQV/AP, PPDB-CQV/AP, PPDBCQV/LH, PPDB-CQV/LH, PPDBCWN, PPDB-CWN, PPDBCWN/AP, PPDB-CWN/AP, PPDBCWN/LH, PPDB-CWN/LH, PPDBCWV, PPDB-CWV, PPDBCWV/AP, PPDB-CWV/AP, PPDBCWV/LH, PPDB-CWV/LH, PPDBKAN, PPDB-KAN, PPDBKAV, PPDB-KAV, PPDBKBN, PPDB-KBN, PPDBKBV, PPDB-KBV, PPDBKCN, PPDB-KCN, PPDBKCV, PPDB-KCV, PPDBKDN, PPDB-KDN, PPDBKDV, PPDB-KDV, PPDBKEN, PPDB-KEN, PPDBKEV, PPDB-KEV, PPDBKHN, PPDB-KHN, PPDBKHV, PPDB-KHV, PPDBKJN, PPDB-KJN, PPDBKJV, PPDB-KJV, PPDBKKN, PPDB-KKN, PPDBKKV, PPDB-KKV, PPDBKNN, PPDB-KNN, PPDBKNV, PPDB-KNV, PPDBKON, PPDB-KON, PPDBKOV, PPDB-KOV, PPDBKPN, PPDB-KPN, PPDBKPV, PPDB-KPV, PPDBKQN, PPDB-KQN, PPDBKQV, PPDB-KQV, PPDBKWN, PPDB-KWN, PPDBKWV, PPDB-KWV, PPDBLAN, PPDB-LAN, PPDBLAN/AP, PPDB-LAN/AP, PPDBLAN/LH, PPDB-LAN/LH, PPDBLAV, PPDB-LAV, PPDBLAV/LH, PPDB-LAV/LH, PPDBLBN, PPDB-LBN, PPDBLBN/AP, PPDB-LBN/AP, PPDBLBN/LH, PPDB-LBN/LH, PPDBLBV, PPDB-LBV, PPDBLBV/AP, PPDB-LBV/AP, PPDBLBV/LH, PPDB-LBV/LH, PPDBLCN, PPDB-LCN, PPDBLCN/AP, PPDB-LCN/AP, PPDBLCN/LH, PPDB-LCN/LH, PPDBLCV, PPDB-LCV, PPDBLCV/AP, PPDB-LCV/AP, PPDBLCV/LH, PPDB-LCV/LH, PPDBLDN, PPDB-LDN, PPDBLDN/AP, PPDB-LDN/AP, PPDBLDN/LH, PPDB-LDN/LH, PPDBLDV, PPDB-LDV, PPDBLDV/AP, PPDB-LDV/AP, PPDBLDV/LH, PPDB-LDV/LH, PPDBLEN, PPDB-LEN, PPDBLEN/AP, PPDB-LEN/AP, PPDBLEN/LH, PPDB-LEN/LH, PPDBLEV, PPDB-LEV, PPDBLEV/AP, PPDB-LEV/AP, PPDBLEV/LH, PPDB-LEV/LH, PPDBLHN, PPDB-LHN, PPDBLHN/AP, PPDB-LHN/AP, PPDBLHN/LH, PPDB-LHN/LH, PPDBLHV, PPDB-LHV, PPDBLHV/AP, PPDB-LHV/AP, PPDBLHV/LH, PPDB-LHV/LH, PPDBLJN, PPDB-LJN, PPDBLJN/AP, PPDB-LJN/AP, PPDBLJN/LH, PPDB-LJN/LH, PPDBLJV, PPDB-LJV, PPDBLJV/AP, PPDB-LJV/AP, PPDBLJV/LH, PPDB-LJV/LH, PPDBLKN, PPDB-LKN, PPDBLKN/AP, PPDB-LKN/AP, PPDBLKN/LH, PPDB-LKN/LH, PPDBLKV, PPDB-LKV, PPDBLKV/AP, PPDB-LKV/AP, PPDBLKV/LH, PPDB-LKV/LH, PPDBLNN, PPDB-LNN, PPDBLNN/AP, PPDB-LNN/AP, PPDBLNN/LH, PPDB-LNN/LH, PPDBLNV, PPDB-LNV, PPDBLNV/AP, PPDB-LNV/AP, PPDBLNV/LH, PPDB-LNV/LH, PPDBLON, PPDB-LON, PPDBLON/AP, PPDB-LON/AP, PPDBLON/LH, PPDB-LON/LH, PPDBLOV, PPDB-LOV, PPDBLOV/AP, PPDB-LOV/AP, PPDBLOV/LH, PPDB-LOV/LH, PPDBLPN, PPDB-LPN, PPDBLPN/AP, PPDB-LPN/AP, PPDBLPN/LH, PPDB-LPN/LH, PPDBLPV, PPDB-LPV, PPDBLPV/AP, PPDB-LPV/AP, PPDBLPV/LH, PPDB-LPV/LH, PPDBLQN, PPDB-LQN, PPDBLQN/AP, PPDB-LQN/AP, PPDBLQN/LH, PPDB-LQN/LH, PPDBLQV, PPDB-LQV, PPDBLQV/AP, PPDB-LQV/AP, PPDBLQV/LH, PPDB-LQV/LH, PPDBLWN, PPDB-LWN, PPDBLWN/AP, PPDB-LWN/AP, PPDBLWN/LH, PPDB-LWN/LH, PPDBLWV, PPDB-LWV, PPDBLWV/AP, PPDB-LWV/AP, PPDBLWV/LH, PPDB-LWV/LH, PPDBMAN, PPDB-MAN, PPDBMAV, PPDB-MAV, PPDBMBN, PPDB-MBN, PPDBMBV, PPDB-MBV, PPDBMCN, PPDB-MCN, PPDBMCV, PPDB-MCV, PPDBMDN, PPDB-MDN, PPDBMDV, PPDB-MDV, PPDBMEN, PPDB-MEN, PPDBMEV, PPDB-MEV, PPDBMHN, PPDB-MHN, PPDBMHV, PPDB-MHV, PPDBMJN, PPDB-MJN, PPDBMJV, PPDB-MJV, PPDBMKN, PPDB-MKN, PPDBMKV, PPDB-MKV, PPDBMNN, PPDB-MNN, PPDBMNV, PPDB-MNV, PPDBMON, PPDB-MON, PPDBMOV, PPDB-MOV, PPDBMPN, PPDB-MPN, PPDBMPV, PPDB-MPV, PPDBMQN, PPDB-MQN, PPDBMQV, PPDB-MQV, PPDBMWN, PPDB-MWN, PPDBMWV, PPDB-MWV, PPDBOAN, PPDB-OAN, PPDBOAV, PPDB-OAV, PPDBOBN, PPDB-OBN, PPDBOBV, PPDB-OBV, PPDBOCN, PPDB-OCN, PPDBOCV, PPDB-OCV, PPDBODN, PPDB-ODN, PPDBODV, PPDB-ODV, PPDBOEN, PPDB-OEN, PPDBOEV, PPDB-OEV, PPDBOHN, PPDB-OHN, PPDBOHV, PPDB-OHV, PPDBOJN, PPDB-OJN, PPDBOJV, PPDB-OJV, PPDBOKN, PPDB-OKN, PPDBOKV, PPDB-OKV, PPDBONN, PPDB-ONN, PPDBONV, PPDB-ONV, PPDBOON, PPDB-OON, PPDBOOV, PPDB-OOV, PPDBOPN, PPDB-OPN, PPDBOPV, PPDB-OPV, PPDBOQN, PPDB-OQN, PPDBOQV, PPDB-OQV, PPDBOWN, PPDB-OWN, PPDBOWV, PPDB-OWV, PPDBQAN, PPDB-QAN, PPDBQAV, PPDB-QAV, PPDBQBN, PPDB-QBN, PPDBQBV, PPDB-QBV, PPDBQCN, PPDB-QCN, PPDBQCV, PPDB-QCV, PPDBQDN, PPDB-QDN, PPDBQDV, PPDB-QDV, PPDBQEN, PPDB-QEN, PPDBQEV, PPDB-QEV, PPDBQHN, PPDB-QHN, PPDBQHV, PPDB-QHV, PPDBQJN, PPDB-QJN, PPDBQJV, PPDB-QJV, PPDBQKN, PPDB-QKN, PPDBQKV, PPDB-QKV, PPDBQNN, PPDB-QNN, PPDBQNV, PPDB-QNV, PPDBQON, PPDB-QON, PPDBQOV, PPDB-QOV, PPDBQPN, PPDB-QPN, PPDBQPV, PPDB-QPV, PPDBQQN, PPDB-QQN, PPDBQQV, PPDB-QQV, PPDBQWN, PPDB-QWN, PPDBQWV, PPDB-QWV, PPDBWAN, PPDB-WAN, PPDBWAV, PPDB-WAV, PPDBWBN, PPDB-WBN, PPDBWBV, PPDB-WBV, PPDBWCN, PPDB-WCN, PPDBWCV, PPDB-WCV, PPDBWDN, PPDB-WDN, PPDBWDV, PPDB-WDV, PPDBWEN, PPDB-WEN, PPDBWEV, PPDB-WEV, PPDBWHN, PPDB-WHN, PPDBWHV, PPDB-WHV, PPDBWJN, PPDB-WJN, PPDBWJV, PPDB-WJV, PPDBWKN, PPDB-WKN, PPDBWKV, PPDB-WKV, PPDBWNN, PPDB-WNN, PPDBWNV, PPDB-WNV, PPDBWON, PPDB-WON, PPDBWOV, PPDB-WOV, PPDBWPN, PPDB-WPN, PPDBWPV, PPDB-WPV, PPDBWQN, PPDB-WQN, PPDBWQV, PPDB-WQV, PPDBWWN, PPDB-WWN, PPDBWWV, PPDB-WWV, PPDBYAN, PPDB-YAN, PPDBYAN/AP, PPDB-YAN/AP, PPDBYAV, PPDB-YAV, PPDBYAV/AP, PPDB-YAV/AP, PPDBYBN, PPDB-YBN, PPDBYBN/AP, PPDB-YBN/AP, PPDBYBV, PPDB-YBV, PPDBYBV/AP, PPDB-YBV/AP, PPDBYCN, PPDB-YCN, PPDBYCN/AP, PPDB-YCN/AP, PPDBYCV, PPDB-YCV, PPDBYCV/AP, PPDB-YCV/AP, PPDBYDN, PPDB-YDN, PPDBYDN/AP, PPDB-YDN/AP, PPDBYDV, PPDB-YDV, PPDBYDV/AP, PPDB-YDV/AP, PPDBYEN, PPDB-YEN, PPDBYEN/AP, PPDB-YEN/AP, PPDBYEV, PPDB-YEV, PPDBYEV/AP, PPDB-YEV/AP, PPDBYHN, PPDB-YHN, PPDBYHN/AP, PPDB-YHN/AP, PPDBYHV, PPDB-YHV, PPDBYHV/AP, PPDB-YHV/AP, PPDBYJN, PPDB-YJN, PPDBYJN/AP, PPDB-YJN/AP, PPDBYJV, PPDB-YJV, PPDBYJV/AP, PPDB-YJV/AP, PPDBYKN, PPDB-YKN, PPDBYKN/AP, PPDB-YKN/AP, PPDBYKV, PPDB-YKV, PPDBYKV/AP, PPDB-YKV/AP, PPDBYNN, PPDB-YNN, PPDBYNN/AP, PPDB-YNN/AP, PPDBYNV, PPDB-YNV, PPDBYNV/AP, PPDB-YNV/AP, PPDBYON, PPDB-YON, PPDBYON/AP, PPDB-YON/AP, PPDBYOV, PPDB-YOV, PPDBYOV/AP, PPDB-YOV/AP, PPDBYPN, PPDB-YPN, PPDBYPN/AP, PPDB-YPN/AP, PPDBYPV, PPDB-YPV, PPDBYPV/AP, PPDB-YPV/AP, PPDBYQN, PPDB-YQN, PPDBYQN/AP, PPDB-YQN/AP, PPDBYQV, PPDB-YQV, PPDBYQV/AP, PPDB-YQV/AP, PPDBYWN, PPDB-YWN, PPDBYWN/AP, PPDB-YWN/AP, PPDBYWV, PPDB-YWV, PPDBYWV/AP, PPDB-YWV/AP

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