Valves - Directional Controls - Manual - Rotary

MR10-31

MANUAL ROTARY 3 WAY, 2 POSITION DIRECTIONAL VALVE

Overview

Description

The MR10-31 is a manually operated, 3-way, 2-position, screw-in, cartridge style, directional valve with adaptability to a variety of adjustment operators (order separately).

Operation

In extreme counterclockwise position, ports 1 and 2 are open while port 3 is closed. In extreme clockwise position (90 degree rotation of stem), ports 1 and 3 are open while port 2 is closed. All ports are closed in transition.

Features

  • Two-position detent or infinite friction lock ordered separately.
  • May be fully pressurized at all ports.
  • Optional lock-down bracket.
  • Heavy-duty construction.
  • Industry common cavity.
Pressure Ratings
Pressure rating:
  • 241 bar (3500 psi)
Flow Ratings
Maximum internal leakage:
  • 164 ml/min (10 in³) At 241 bar (3500 psi)
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 viton seals
  • -54 to 107 °C (-65 to 225 °F) With polyurethane seals
Storage temperature:
  • -60 to 71 °C (-76 to 160 °F)
Ambient temperature:
  • -60 to 71 °C (-76 to 160 °F)
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
Unit weight:
  • 0.15 kg (0.33 lb)
Internal wetted surface area:
  • 141 cm² (21.8 in²)
MR10-31_Chrt_Dim(2022-02-24)
Cavity:
Cartridge installation torque:
  • 32.5 to 35.3 N-m (24 to 26 ft-lb)
Orientation restriction:
  • None
Seal kit:
  • SK10-3X-MM X=seal option
MR10-31_Order(2022-02-24)

Model Options

MR10-31-H-J
H Line Body
CODE
DESCRIPTION
0
No Body
6T
Aluminum SAE 6
8T
Aluminum SAE 8
8TL
Aluminum SAE 8L
6TD
Ductile Iron SAE 6
8TD
Ductile Iron SAE 8
3B
Aluminum BSPP 3/8" (3)
3BD
Ductile Iron BSPP 3/8" (3)
J Seal
CODE
DESCRIPTION
N
Buna-N
V
Fluorocarbon
P
Polyurethane
U
PPDI Urethane