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Custom Hydraulic Cylinders and Valves

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3 & 4 Manual Directional Control Valves

Williams valves are available in double-acting (4-way) or single-acting (3-way) versions. These valves are machined from a solid casting for high-pressure operation. All valves feature ground and chrome-plated spools that are fitted to the bodies by honing. All spools are pressure-balanced for smooth, positive valve actuation. Optional externally-adjustable relief valves are available for working pressures up to 5,000 psig (345 bar). Spool control is three-position spring-centered. Valves may be used in series operation. Flow rating is 6 gpm (22.7 lpm). Port size is 3/8 inch NPT (SAE ORB ports are available upon request). Various spool configurations are available.

Parts List/Diagram

Installation & Replacement Instructions

No. 3 Control Valve (3-Way Single Acting)

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Drg. No.
Part Number
NO. Req.
Part Description
Price
Qty
Add To Cart
1
Casting Valve (Not Sold Separately)
2
Spool, Valve (Not Sold Separately)
3
1020
2
Key,Spool Stop
$4.73
Max:
Min: 1
Step: 1
Add To Cart
4
1021
1
Spring, Spool Centering
$4.38
Max:
Min: 1
Step: 1
Add To Cart
5
1022
1
Cap, Spool
$16.44
Max:
Min: 1
Step: 1
Add To Cart
6
1035
3
Cap, Screws
$3.92
Max:
Min: 1
Step: 1
Add To Cart
7
1030
3
Washer
$3.97
Max:
Min: 1
Step: 1
Add To Cart
8
1096
1
Gasket
$2.64
Max:
Min: 1
Step: 1
Add To Cart
9
1105
1
Pipe, Oil Return
$6.93
Max:
Min: 1
Step: 1
Add To Cart
10
1094
1
Lever, Control
$9.64
Max:
Min: 1
Step: 1
Add To Cart
11
1102
1
E-Ring
$3.42
Max:
Min: 1
Step: 1
Add To Cart
12
1228
1
Pipe, Oil Return
$4.33
Max:
Min: 1
Step: 1
Add To Cart
13
00080647
1
Plug, Stl, 0.375
$0.30
Max:
Min: 1
Step: 1
Add To Cart

These Control Valves are identified in the Pump Unit Model Numbers as

(4) – (4C) – (4R)

The highest working pressure is regulated by the Relief Valve that is located within the pump. The C and R Relief Cartridges are set at lower pressures, and control only parts of the system.

No. 4 Control Valve (4-Way Double Acting)

Shop for the part you need

Sort by
Filters Sort results
Reset Apply
Drg. No.
Part Number
NO. Req.
Part Description
Price
Qty
Add To Cart
1
Casting (Not Sold Separately)
2
Spool (Not Sold Separately)
3
1020
2
Key,Spool Stop
$4.73
Max:
Min: 1
Step: 1
Add To Cart
4
1021
1
Spring, Spool Centering
$4.38
Max:
Min: 1
Step: 1
Add To Cart
5
1022
1
Cap, Spool
$16.44
Max:
Min: 1
Step: 1
Add To Cart
6
1035
3
Cap, Screws
$3.92
Max:
Min: 1
Step: 1
Add To Cart
7
1030
3
Washer
$3.97
Max:
Min: 1
Step: 1
Add To Cart
8
1096
1
Gasket
$2.64
Max:
Min: 1
Step: 1
Add To Cart
9
1105
1
Pipe, Oil Return
$6.93
Max:
Min: 1
Step: 1
Add To Cart
10
1094
1
Lever, Control
$9.64
Max:
Min: 1
Step: 1
Add To Cart
11
1102
1
E-Ring
$3.42
Max:
Min: 1
Step: 1
Add To Cart
12
1101
1
Relief Cartridge
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204 Plastic Lane
Monticello, IA 52310-9472
USA

(319) 465-3537

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