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Valves - Pressure Controls - Sequence Valves - Internal Pilot

PS50-36

SEQUENCE VALVE, PILOT OPERATED U.S. PATENT # 7,137,406

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Overview

Description

The PS50-36X is a spool type, pilot operated, adjustable, internally piloted, externally vented, hydraulic sequence valve.

Operation

It is designed to direct flow from port 1 to port 2 once a predetermined pressure is attained in a circuit. the valve will remain shifted until the pressure in the circuit falls below the pressure setting.

Features

  • Adjustments cannot be backed out of the valve
  • Adjustments prohibit springs from going solid
  • Optional spring ranges to 345 bar (5000 psi)
  • Hardened spool and cage for long life
  • Industry-common size
Pressure Ratings
Pressure rating:
  • 344.7 bar (5000 psi)
Sequence pressure:
  • 344.7 bar (5000 psi)
Proof pressure:
  • 517.1 bar (7000 psi) Ports 1, 2
  • 103.4 bar (1500 psi) Port 3
Burst pressure:
  • 1034 bar (15000 psi)
Pressure setting defined:
  • Pressure evident at 0.95 lpm (0.25 gpm) attained port 1 to port 2
Flow Ratings
Flow rating:
  • 56.8 lpm (15 gpm)
Maximum internal leakage:
  • 82 ml/min (5 in³/min) Port 2 to port 3 to 85% of nominal setting
Temperature Ratings
Operating fluid temperature:
  • -40 to 100 °C (-40 to 212 °F) With buna N seals
  • -26 to 204 °C (-15 to 400 °F) With fluorocarbon seals
  • -54 to 107 °C (-65 to 225 °F) With polyurethane seals
Storage temperature:
  • -40 to 70 °C (-40 to 160 °F)
Ambient temperature:
  • -40 to 70 °C (-40 to 160 °F)
Other Ratings
Corrosion protection:
  • 960 hr salt spray per ASTM b117
Fluids:
  • Mineral based or synthetic with lubricating properties
Fluid viscosity range:
  • 7.4 to 420 cSt
Maximum operating contamination level:
  • 18/16/13 per ISO 4406
Unit weight:
  • 0.25 kg (0.56 lb) GPS50-36A
  • 0.28 kg (0.62 lb) GPS50-36B
  • 0.30 kg (0.66 lb) GPS50-36C GPS50-36L
  • 0.25 kg (0.55 lb) GPS50-36F GPS50-36H
Internal wetted surface area:
  • 166 cm² (25.7 in²) GPS50-36A GPS50-36B GPS50-36C GPS50-36L
  • 183 cm² (28.3 in²) GPS50-36F GPS50-36H
Cavity:
  • VC10-3
Cartridge installation torque:
  • 44.7 to 50.2 N-m (33 to 37 ft-lb)
H style plug torque:
  • 10.8 to 13.6 N-m (8 to 10 ft-lb)
Orientation restriction:
  • None
Seal kit:
  • SK10-3X-BM X=seal option
Housings:
POSITION
CODE
DESCRIPTION
PS50-36F-H-J-R/S
F
Adjustment Option
F
A
1/4" Hex Allen Head
F
B
1-1/2" Diameter Aluminum Knob with Aluminum Lock Knob
F
C
1/4" Hex Allen Head with Cover Cap
F
F
Factory Preset Non-Adjustable
F
H
Factory Preset Hidden Adjustment
F
L
1/4" Hex Allen Head with Cover Cap and Lockwire Holes
H
Line Body
H
0
No Body
H
6T
Aluminum SAE 6
H
8T
Aluminum SAE 8
H
6TD
Ductile Iron SAE 6
H
8TD
Ductile Iron SAE 8
H
3B
Aluminum BSPP 3/8" (3)
H
3BD
Ductile Iron BSPP 3/8" (3)
J
Seal
J
N
Buna-N
J
V
Fluorocarbon
J
P
Polyurethane
R
Spring
R
04
4.1 to 27.6 bar (60 to 400 psi) Spring Range
R
15
16.5 to 103.4 bar (240 to 1500 psi) Spring Range
R
30
31.7 to 206.9 bar (460 to 3000 psi) Spring Range
R
50
58.6 to 344.7 bar (850 to 5000 psi) Spring Range
S
Setting
S
MXXX
Spring Setting in XXX bar
S
XX
Spring Setting in XX psi (x 100)

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