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Sectional/Monoblock Directional Valve WALVOIL SD8/3 TIE ROD KIT

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Description & Features

The Walvoil SD8 Series offers a robust sectional valve, ideal for both open and closed center hydraulic systems. This heavy-duty model features a main pressure relief valve and load check valve on each work section, ensuring reliable performance. The compact design supports configurations from 1 to 12 sections and allows for easy integration with parallel, tandem, or series circuits.

Flow Rating: 21 GPM.

Fluid Viscosity: 80 to 400 SSU Operating, 70 SSU Minimum, 1950 SSU Maximum.

Maximum Operating Pressure: 4600 PSI.

Operating within an ambient temperature range of -40deg;F to 140deg;F, it includes optional power beyond port and diverse control options, such as manual, pneumatic, hydraulic, electro-hydraulic, solenoid, or cable.

Maximum Back Pressure: 360 PSI on outlet port T.

Fluid Temperature Range: -4deg;F to 176deg;F with standard Buna-N seals.

Internal Leakage: 0.18 insup3;/min at 1450 PSI differential pressure.

Recommended Filtration: ISO 4406 19/16.

Performance data measured with mineral oil of 215 SSU viscosity at 104deg;F.

MPN: 5TIR108210

Supplier Part Number: 5TIR108210

Specifications

Brand
Walvoil
Key
(1)
Sg Fluid Viscosity
80 to 400 SSU Operating, 70 SSU Minimum, 1950 SSU Maximum
Sg Internal Leakage
0.18 cu-in/min at 1450 psi Differential Pressure
Sg Maximum Back Pressure
360 psi on Outlet Port T
Sg Recommended Filtration
19/16 um
Suitable For Use With
SD8 - DLS8 Series 3-Working Section Directional Control Valves

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Product Questions & Answers (4)

Question by: Floyd J on Sep 4, 2025, 11:11 AM
What’s the max pressure this tie rod kit can handle? Just want to make sure it'll work for my system.
Answer by: Customer Support on Sep 6, 2025, 8:07 AM
This Walvoil SD8 series tie rod kit is rated for a maximum operating pressure of 4600 PSI.
Question by: Gary R on Mar 5, 2026, 10:14 AM
i keep seein “tie rod kit” on this one. what all is it meant to do on an SD8 valve?
Answer by: Customer Support on Mar 7, 2026, 7:24 AM
Think of it as the hardware that holds an SD8 sectional valve stack together. The SD8 series is a sectional valve that can be built up from 1 to 12 sections, and a tie rod kit is used to clamp and keep that stack aligned as an assembly.
Question by: Cindy W on Jun 11, 2025, 6:58 PM
Will this kit work with any of the SD8 series valves?
Answer by: Customer Support on Jun 13, 2025, 3:28 PM
This tie rod kit is specifically designed for the Walvoil SD8/3 sectional/monoblock directional valve.
Question by: Melvin B on Feb 4, 2026, 10:42 AM
what's the max pressure this valve can handle before it starts giving you trouble?
Answer by: Customer Support on Feb 6, 2026, 6:57 AM
Rated up to 4600 PSI maximum operating pressure, so it holds up well in demanding hydraulic setups. Keep in mind the outlet port T has a separate back pressure limit of 360 PSI, so that side of the circuit needs attention too when you're sizing things out.

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