CCWCW
CCWCW
DIRECTIONAL VALVES
MR10-37B Manual Rotary, 3-Way, 3-Position
SYMBOLS
4.792.1
USASI/ISO:
TRANSITION:
PERFORMANCE (Cartridge Only)
17.2/250
13.8/200
10.3/150
6.9/100
3.4/50
7.5
2
FLOW lpm/gpm
PRESSURE DROP bar/psi
20.7/300
15.1
4
22.7
6
24.2/350
27.6/400
31.1/450
34.5/500
30.2
8
37.9
10
to - - - to —
32 cSt/150 ssu oil at 40°C
➂➁➀ ➁
DESCRIPTION
Manually-operated three-way, three-position directional valve, with adaptability
to a variety of adjustment operators (ordered separately), in a variety of spool
confi gurations.
OPERATION
Three positions: centered, 45° counterclockwise, and 45° clockwise. In the center
position all ports are open. In the 45° counterclockwise from center position, ports
➁ and ➂ are open while port ➀ is closed. In the 45° clockwise from center position,
ports
➀ and ➁ are open while port ➂ is closed. All ports are partially open in
transition.
FEATURES
• Three-position detent, friction lock (with detented neutral), or spring return operators
may be ordered separately.
• May be fully pressurized at all ports.
• Optional lock-down bracket.
• Heavy-duty construction.
• Industry common cavity.
RATINGS
Operating Pressure: 240 bar (3500 psi)
Max. Flow: See Performance Chart
Internal Leakage: 164 cc/minute (10 cu. in./minute) at 240 bar (3500 psi)
Temperature: -40 to 120°C with standard Buna N seals
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No position restrictions; See page 9.020.1
See page 4.990.2 for operator handles/knobs installation;
See page 4.990.1 for lock-down bracket installation.
Cavity: VC10-3; See page 9.110.1
Cavity Tool: CT10-3XX; See page 8.600.1
Seal Kit: SK10-3X-MM; See page 8.650.1
Lock-Down Bracket Kit: Part Number 5399000
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Cartridge: Weight: 0.11 kg. (0.25 lbs.)
Steel with hardened work surfaces.
Zinc-plated exposed surfaces.
Buna N O-rings and Fluorocarbon
back-ups standard.
Standard Ported Body: Weight:
0.32 kg. (0.70 lbs.) Anodized high-
strength 6061 T6 aluminum alloy,
rated to 207 bar (3000 psi). Ductile
iron bodies available; dimensions
may differ. See page 8.010.1
Lever-Type Handle: (Sold Separately)
Weight: 0.18 kg. (0.38 lbs.) Steel
with hardened work surfaces.
Zinc-plated exposed surfaces.
Plastic lever arm.
MATERIALS
TO ORDER
Seals
N Buna N (Std.)
V Fluorocarbon
Option
None
(Blank)
MR10-37B __ - __ __ __ - __
MR10-37B
4.792.2
Porting
Cartridge Only 0
SAE 6 6T
SAE 8 8T
SAE 8 with
Lock-Down Bracket 8TL
1/4 in. BSP* 2B
3/8 in. BSP* 3B
*BSP Body;
U.K. Mfr. Only
DIMENSIONS
NOTE: To order standard
operator kits, refer to pages
4.770.1 and 4.770.2
3.33
84.6
1.69
42.9
1.21
30.7
2.01
51.1
2.42
61.5
2.87
72.9
2.26
57.4
2.13
54.1
®
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