Valves - Electro-proportional Controls - Flow Control - Non-compensated - Spool Type - Normally Closed

PV70-33

NORMALLY CLOSED ELECTRO PROPORTIONAL VALVE CARTRIDGE

Overview

Description

Pv70-33xx is a solenoid operated, spool type, normally closed, proportional flow control valve designed for use with a pressure compensator to function as a proportional flow regulator

Operation

Pv70-33xx is a solenoid operated, spool type, normally closed, proportional flow control valve designed for use with a pressure compensator to function as a proportional flow regulator

Features

  • Excellent linearity and hysteresis characteristics.
  • Hardened spool and cage for long life.
  • Optional coil voltages and terminations.
  • Efficient wet-armature construction.
  • Cartridges are voltage-interchangeable.
  • Unitized, molded coil design.
  • Coil waterproofing standard.
  • Manual Override option.

Ratings

Pressure Ratings
Pressure rating
241 bar (3500 psi)
Proof pressure
345 bar (5000 psi)
Burst pressure
896 bar (13000 psi)
Flow Ratings
Flow rating
0 to 45.4 lpm (0 to 14 gpm) Range A
0 to 37.8 lpm (0 to 10 gpm) Range b
0 to 18.9 lpm (0 to 5 gpm) Range c
Maximum internal leakage
197 ml/min (12 in³/min)
Hysteresis flow
lpm (gpm) Maximum
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 urethane 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

Operating Parameters

Fluids
Mineral based or synthetic hydraulic fluid with lubricating properties
Fluid viscosity range
7.4 to 420 cSt
Maximum operating contamination level
18/16/13 per ISO 4406

Properties

Cartridge weight
0.32 kg (0.70 lb) PV70-33X
0.38 kg (0.83 lb) Pv70-33mx
0.46 kg (1.02 lb) Pv70-33gx
Internal wetted surface area
173.1 cm² (26.8 in²) Pv7033x
176.3 cm² (27.3 in²) Pv7033mx and pv70-33gx

Electrical Parameters

Note
With size 70 d-series and e-series coils
Valve inductance
240 mH E-coil 12 V
700 mH E-coil 24 V
200 mH D-coil 12 V
600 mH D-coil 24 V
Threshold current
300 mA Flow range A or b 12 V coil
150 mA Flow range A or b 24 V coil
360 mA Flow range c 12 V coil
180 mA Flow range c 24 V coil
Maximum control current
1500 mA Flow range A or b 12 V coil
750 mA Flow range A or b 24 V coil
1400 mA Flow range c 12 V coil
700 mA Flow range c 24 V coil
Dither PWM frequency
100 to 250 Hz

Performance

PV70-33_Perf_Chrt

Dimensions

PV70-33_Dim_Dwg

Materials

Materials

Cartridge: Weight: 0.32 kg. (0.70 lb.) With Option M: 0.38 kg. (0.83 lb.) With Option G: 0.46 kg. (1.02 lb.) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N O-rings and polyester elastomer back-ups standard.

Standard Ported Body: Weight: 0.36 kg (0.8 lb); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar (3000 psi); Ductile iron bodies available; dimensions may differ.

70-Size D-Coil: Weight each: 0.32 kg (0.7 lb); Unitized thermoplastic encapsulated, Class H high temperature magnet wire.

70-Size E-Coil: Weight each: 0.41 kg (0.9 lb); Fully encapsulated with rugged external metal shell. IP69K rated.

Port Plug: For SAE 6 Port: 6103006. For SAE 8 Port: 6103008

Installation Specifications

Cavity
VC10-3
Cartridge installation torque
34 to 37 N-m (25 to 27 ft-lb)
Maximum allowable torque
75 N-m (55 ft-lb)
Coil nut torque
14 to 16 N-m (10 to 12 ft-lb)
Cover cap torque
7 to 9 N-m (5 to 7 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK10-3X-MM (x = N V seal option
SK10-3U-OO U seal option

Order code

POSITION
CODE
DESCRIPTION
PV70-33E-H-J-L
D
Max Regulated Flow
D
A
45.4 lpm (14.0 gpm) Max Regulated Flow
D
B
37.8 lpm (10.0 gpm) Max Regulated Flow
D
C
18.9 lpm (5.0 gpm) Max Regulated Flow
E
Manual Override
E
BLANK
NONE
E
G
Variable Position Override, Red Knurled Knob with Cover Cap
E
M
Variable Position Override, Red Knurled Knob
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
J
U
PPDI Urethane
L
Coil
L
0
No Coil
L
12DG
12 VDC, D-Coil, DIN 43650
L
12DL
12 VDC, D-Coil, Dual Lead Wires
L
12DL/W
12 VDC, D-Coil, Dual Lead Wires with Weatherpak
L
12DS
12 VDC, D-Coil, Dual Spade
L
12ER
12 VDC, E-Coil, Deutsch
L
12EY
12 VDC, E-Coil, Metri-Pack 150
L
24DG
24 VDC, D-Coil, DIN 43650
L
24DL
24 VDC, D-Coil, Dual Lead Wires
L
24DS
24 VDC, D-Coil, Dual Spade
L
24ER
24 VDC, E-Coil, Deutsch
PV70-33_Order