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SS Valve Parts

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Assembly Instructions

  1. Lubricate all o-rings prior to installation.
  2. Sections should be free of all dirt and foreign matter before being bolted together.
  3. Torque capscrews 9-11 foot Ibs.
  4. Torque tie rod nuts 75-80 in. Ibs.
  5. Assemble or disassemble spool from body with twisting motion to avoid cutting seals.

General Specifications

  • Number of spools: one or multiple
  • Rated working pressure: 3500 psi (241 bar)
  • Maximum shock and surge pressure: 4500 psi (309 bar)
  • Rated flow capacity: 7 gpm (26.5 11m)
  • Maximum spool leakage (at 1000 psi w/120 SUS oil at 120·F): 5 cc/min
  • Spool forces: Full Travel: 30 lb.; Into float position: 80-90 lb.; Out of float: 75-85 lb.
  • Mounting, any position: 1/4"-20 mtg. holes - 2 per section
  • Weight, 1 spool: 7 Ibs.

Material Specifications

  • Body: Ductile Iron
  • Inlet relief plate: Aluminum
  • Spools: Ground, plated and polished steel alloy
  • Seals: Buna N

Standard Features

  • Series operation
  • Excellent spool metering characteristics
  • Open center, 4 way 3 position or 4 way, 4 position (float)
  • Integral load holding check valves to prevent reverse flow through valve when shifting
  • Balanced, select-fit spools to provide minimum leakage, smooth operation
  • 9/16-18 (SAE #6) inlet and outlet ports, 9/16-18 (SAE #6) work ports
  • May stand alone or be stacked in series
  • Built-in power beyond capability
  • Complete handle assembly

Optional Features

  • Optional add-on inlet section with differential poppet type relief valve (SSC must be ordered for the last section in a stack when inlet relief is used – one SSC section is required for every inlet section ordered)
  • High flow spool available for up to 10 gpm
  • Single handle actuator
  • 3/4-16 (SAE #8) inlet and outlet ports, 3/4-16 (SAE #8) work ports

Inlet Plate

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
1 1V3530 Housing (3/4-16, SAE #8) 1
2 1R0132 Differential Relief 1
3 1R0020 Poppet 1
4 1R0130 Lower Body 1
5 1R0219 Upper Body 1
6 1A0687-010 Shim (As Required)
7 2A0007-011 Back-Up 1
8 2A0007-015 Back-Up 1
9 2A0283-7011 O-Ring 1
10 2A0283-7015 O-Ring 1
11 2A0283-9910 O-Ring 1
12 2A9048-7 Spring (1500-3000) —

4-Way Body Assembly

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
1 1V3501 Spool (7 GPM) 1
2 1V3505* Spool End Lug 1
3 1V3506* Spool End Screw 2
4 1V3508 Spool Collar 1
5 1V3523 Body Machining 1
6 1A0294P End Cap 1
7 2A0017-9 Ball 2
8 2A0079-404N Capscrew 4
9 2A0283-7114 Spool Seal 2
10 2A0283-9903 O-Ring 2
11 2A9030-5 Load Check Spring 2
12 2A9126-1 Centering Spring 1

Tie Rods—3 Required Per Valve

Number of Sections with Relief without Relief
Number of Sections with Relief without Relief
1 2A0586-438 —
2 2A0586-656 A0586-531
3 2A0586-888 2A0586-756
4 2A0588-1106 2A0586-981
5 2A0586-1331 2A0586-1206

Relief Cartridges

PSI Rating Adjustable Non-Adjustable
PSI Rating Adjustable Non-Adjustable
500-1500 1R0134 1R0131
1500-3000 1R0135 1R0132
3000-4000 1R0136 1R0133

Optional Inlets

Part Number Size Location
Part Number Size Location
1V3531 9/16-18 (SAE #6) Side Location
1V3532 3/4-16 (SAE #8) Side Location
1V3533 9/16-18 (SAE #6) Top Location

Inlet Plate

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
1 1V3511 Handle Stem 1
2 1V3512 Pin Kit 1
3 4Z4306 Handle Bracket 1
4 1A9353 Handle Knob 1
5 2A0079-404N Capscrew 2

Additional Parts

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
1 2A0248-4 1/4-20 Locknut 6
2 2A0283-9012 O-Ring 2
3 2A0283-9021 O-Ring 2
4 2A0581-656 Tie-Rod 2

Float Body Assembly

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
1 1V3502 Spool 1
2 1V3505 Spool End Lug 1
3 1V3507* Detent Retainer 1
4 1V0205 Detent Sleeve 1
5 1V3508 Spool Collar 1
6 1V3520 Body Machine 1
7 1A0294P End Cap 1
8 2A0017-8 Ball 4
9 2A0017-9 Ball 2
10 2A0079-416 Capscrew 4
11 2A0283-7114 O-Ring 2
12 2A0283-9903 O-Ring 2
13 2A9126-1 Load Check Spring 2
14 2A9030-5 Centering Spring 2
15 2A9024+3 Detent Spring 4
16 1A0737 Washer 1
17 1A0764 Spacer 1
Seal Kits
Seal Kits
Single Body Section - 2V0085
Stack with Relief Stack without Relief
Stack with Relief Stack without Relief
2V0088 - ‡ 2V008 - ‡

Regenerative Option (replacement only)

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
1 1V2555 Washer, AD 1
2 1V3508 Spool Collar 1
3 1V3540 Regen. Collar 1
4 1V3541 Regen. Spacer 1
5 1V3542 Regen. End Screw 1
6 1V3543 Regen. Stop 1
7 1A0294P End Cap 1
8 1A0905 Regen. Block 1
9 1A9351 Washer, 5/16 1
10 2A0079-412 Machine Screw 4
11 2A0080-304 Machine Screw 1
12 2A0283-9903 O-Ring 1
13 2A9042-5 Spring 1
14 2A9126-1 Centering Spring 1

*Field disassembly not recommended
‡ Dash Number Should Indicate Number of Body Sections

  • Product ID
    • Valves
    • Cylinder & Accumulator
    • Gear Pumps & Motors
  • Cylinders
    • Conventional 2500 PSI
      DB Series Cylinders
      • DB Series Cylinder 1.5" Bore
      • DB Series Hydraulic Cylinder 2" Bore
      • DB Series Hydraulic Cylinder 2.5" Bore
      • DB Series Hydraulic Cylinder 3" Bore Diameter
      • DB Series Cylinder 3.5" Bore
      • DB Series Cylinder 4" Bore
      • DB Series Hydraulic Cylinder 5" Bore Diameter
      • DB Series Hydraulic Cylinder Standard Size Chart
    • Conventional 2500 PSI
      DU & DE Series Cylinders
      • DU & DE Cylinder Parts
    • DC Series Cylinders
      • DC Cylinder Parts
    • Utility 8 Cylinders
      • Utility 8 Hydraulic Cylinder Parts
  • Valves
    • AD Series Valves
      • AD 1 Valve Parts
      • AD 2 Valve Parts
      • Options for AD 1 & AD 2 Series
    • BA & BC Series Valves
      • Model BA - 1 Spool Parts
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      • Model BC Directional Control Valve
      • BA Series - Heavy Duty
      • Spool Action Options BA
      • Power Beyond Option
      • Closed Center Options
      • Conversion Plug Assembly
      • IV3604 - BA Valve Air Actuator Kit
    • C Series Valves
      • Model CA - 1 Spool Parts
      • Model CA - 2 Spool Parts
      • Model CD - 1 Spool Parts
      • Model CD - 2 Spool Parts
      • Model CS - 1 Spool Parts
      • Model CS - 2 Spool Parts
      • Model CV
    • SS Series Valves
      • SS Valve Parts
    • VS & SD Selector Parts
      • VS2 & VS4 Single Selector Valve Parts
      • SD Double Selector
      • Pilot Operator with Spring Return
      • Replacement Solenoid Parts
    • Relief Series Valves
      • Model RC
      • Model RD
      • Model RV
  • Gear Pumps & Motors
    • Series 40 Parts
    • Series 50 Parts
    • Series 60 Parts
    • Series 50G Parts
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