Valves - Pressure Controls - Sequence Valves - External Pilot

PS08-32

SEQUENCE VALVE

Overview

Description

PS08-32 is a screw-in, cartridge style, direct-acting, spool-type, hydraulic sequence valve with external pilot and internal spring chamber drain, designed to direct flow to a secondary circuit once a predetermined pressure level is attained in the primary circuit

Operation

In its steady state, the PS08-32X blocks flow from port 3 to port 2. On attainment of a pre-determined pressure at port 1, the cartridge shifts to open port 3 to port 2. Since the spring chamber is vented at port 2, back pressure at port 2 will directly (1:1) affect the valve's setting

Features

  • Adjustments cannot be backed out of the valve.
  • Adjustments prohibit springs from going solid.
  • Optional spring ranges to 165.5 bar (2400 psi).
  • Hardened spool and cage for long life.
  • Compact, industry-common size.

Ratings

Pressure Ratings
Pressure rating
206.8 bar (3000 psi)
Proof pressure
482.6 bar (7000 psi)
Burst pressure
896.3 bar (13000 psi)
Flow Ratings
Flow rating
18.9 lpm (5 gpm)
Maximum internal leakage
82 ml/min (5.0 in³/min) Max at nominal setting
Temperature Ratings
Maximum 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)

Operating Parameters

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}

Properties

Cartridge weight
0.23 kg (0.51 lb) PS08-32A
0.22 kg (0.49 lb) PS08-32F PS08-32H
0.25 kg (0.56 lb) PS08-32B
0.28 kg (0.61 lb) PS08-32C PS08-32L
Internal wetted surface area
128 cm² (19.9 in²) PS08-30A PS08-30B PS08-30C PS08-30L
143 cm² (22.1 in²) PS08-30F PS08-30H

Performance

PS08-32_Flow-Pressure

Dimensions

PS08-30_Dim

Materials

Materials

Cartridge: Weight: 0.25 kg (0.55 lb); Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and back-ups standard. Anodized aluminum knobs.

Standard Ported Body: Weight: 0.27 kg (0.60 lb); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar (3000 psi); Ductile iron bodies available; dimensions may differ.

Adjustment Option Details: See adjustment options

Installation Specifications

Cavity
VC08-3
Cartridge installation torque
25.8 to 28.5 N-m (19 to 21 ft-lb)
H style plug torque
10.8 to 13.6 N-m (8 to 10 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK08-3X-TB X=seal option

Order code

POSITION
CODE
DESCRIPTION
PS08-32F-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
4T
Aluminum SAE 4
H
6T
Aluminum SAE 6
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
J
U
PPDI Urethane
R
Spring
R
03
3.5 to 20.7 bar (50 to 300 psi) Spring Range
R
06
8.3 to 41.4 bar (120 to 600 psi) Spring Range
R
13
13.8 to 89.6 bar (200 to 1300 psi) Spring Range
R
24
20.7 to 165.5 bar (300 to 2400 psi) Spring Range
S
Setting
S
MXXX
Spring Setting in XXX bar
S
XX
Spring Setting in XX psi (x 100)
PS08-32_Order