Valves - Directional Controls - Manual - Push to Open

MV08-22

MANUAL RELEASE VALVE

Overview

Description

The MV08-22 is a screw-in, cartridge style, cam-operated, two-way normally closed, poppet type, directional valve

Operation

The valve blocks flow from port 2 to 1 until applied cam force is sufficient to overcome the spring bias plus load force

Features

  • Hardened seat and poppet for long life.
  • Stainless steel cam button.
  • Compact size.

Ratings

Pressure Ratings
Pressure rating
207 bar (3000 psi)
Flow Ratings
Flow rating
37.9 lpm (10 gpm)
Maximum internal leakage
0.15 ml/min (3 drops/min) At port 2 20.7 to 207 bar (300 to 3000 psi)
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)
Other Ratings
Corrosion protection
960 hr salt spray per ASTM b117 (gmv08-22)

Operating Parameters

Fluids
Mineral based or synthetic hydraulic fluid with lubricating properties
Fluid viscosity range
7.4 to 420 cSt
Maximum operating contamination level
20/18/14 per ISO 4406

Properties

Operating force required
9.1 kg (20 lbf) With no load at port 2
20.9 kg (46 lbf) With port 2 loaded at 69 bar (1000 psi)
32.7 kg (72 lbf) With port 2 loaded at 138 bar (2000 psi)
44.5 kg (98 lbf) With port 2 loaded at 207 bar (3000 psi)
Cartridge weight
0.08 kg (0.2 lb)
Internal wetted surface area
64 cm² (9.9 in²)

Performance

MV08-22_Perf_Chrt

Dimensions

MV08-22_Dim_Dwg

Materials

Materials

Cartridge: Weight: 0.05 kg. (0.12 lbs.); Stainless steel pin. Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and back-ups standard.

Standard Ported Body: None. Consult factory.

Installation Specifications

Cavity
VC08-2A
Cartridge installation torque
24.4 to 27.2 N-m (18 to 20 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK08-2X-T X = seal option

Order code

POSITION
CODE
DESCRIPTION
MV08-22-H-J
H
Line Body
H
6T
Aluminum SAE 6
H
8T
Aluminum SAE 8
H
6TD
Ductile Iron SAE 6
H
8TD
Ductile Iron SAE 8
H
2B
Aluminum BSPP 1/4" (2)
H
3B
Aluminum BSPP 3/8" (3)
J
Seal
J
N
Buna-N
J
V
Fluorocarbon
J
P
Polyurethane
J
U
PPDI Urethane
MV08-22_Order