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.

Ratings

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
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 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)

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

Cartridge weight
0.15 kg (0.33 lb)
Internal wetted surface area
141 cm² (21.8 in²)

Performance

MR10-31_Chrt_Dim

Materials

Materials

Cartridge: Weight: 0.12 kg (0.27 lb); Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and fluorocarbon back-ups standard.

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.

Lever-Type Handle: (Sold Separately) Weight: 0.18 kg (0.38 lb) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Plastic lever arm.

Handle Options and Installation: MR Series Operator Options Plastic Knob and Lock-Down Bracket Installation Ball and Lever Handle Installation

Installation Specifications

Cavity
VC10-3
Cartridge installation torque
32.5 to 35.3 N-m (24 to 26 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK10-3X-MM X=seal option

Order code

POSITION
CODE
DESCRIPTION
MR10-31-H-J
H
Line Body
H
0
No Body
H
6T
Aluminum SAE 6
H
8T
Aluminum SAE 8
H
8TL
Aluminum SAE 8L
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
MR10-31_Order