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Sectional/Monoblock Directional Valve WALVOIL TIE ROD KIT. FOR WALVOIL SD8-SER

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Description & Features

The Walvoil SD8 Series sectional valve is designed for hydraulic systems requiring both open and closed center configurations. Featuring a main pressure relief valve, load check valve on each work section, and a maximum operating pressure of 4600 PSI, this valve kit ensures efficient and reliable performance across various industrial applications.

With a flow rating of 21 GPM and fluid compatibility at temperatures ranging from -4deg;F to 176deg;F, it accommodates diverse operational environments. The valve's compact and heavy-duty construction supports up to 12 sections and offers optional power beyond ports.

Additional benefits include interchangeable spools and multiple control options, such as manual, pneumatic, hydraulic, electro-hydraulic, solenoid, and cable controls. The kit also operates within an ambient temperature range of -40deg;F to 140deg;F, optimizing functionality under harsh conditions.

Features also address maintenance concerns with recommended filtration adhering to ISO 4406 19/16 standards and an internal leakage rate of 0.18 insup3;/min at 1450 PSI differential pressure. Note that performance data is measured with mineral oil of 215 SSU viscosity at 104deg;F.

MPN: 5TIR108251

Supplier Part Number: 5TIR108251

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 4-Working Section Directional Control Valves

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Product Questions & Answers (5)

Question by: Tammy P on Aug 23, 2025, 1:02 PM
what all does this tie rod kit work with, or is it just for the SD8 series valves?
Answer by: Customer Support on Aug 25, 2025, 6:53 AM
Built specifically for the Walvoil SD8 Series sectional and monoblock directional valves, so that's the intended application. The SD8 platform supports anywhere from 1 to 12 sections, and these tie rods are what hold those sections together under pressure. With a maximum operating pressure of 4600 PSI on that series, you want hardware that's matched to the valve, not a generic substitute.
Question by: Stan B on Aug 13, 2025, 4:49 PM
Will this tie rod kit work with any SD8 valve, or just certain ones?
Answer by: Customer Support on Aug 15, 2025, 7:36 AM
Designed for the Walvoil SD8 Series sectional/monoblock directional valves, this tie rod kit ensures proper assembly and function. It's important to verify that your valve is indeed a part of the SD8 series.
Question by: Jerry R on Feb 12, 2026, 8:00 PM
got an SD8 valve bank, is this tie rod kit the right one for it?
Answer by: Customer Support on Feb 14, 2026, 6:07 AM
It’s called out for the Walvoil SD8 Series, and the supplier part number is 5TIR108251 (catalog number C1HU24), so it matches that SD8 application.
Question by: Travis B on Aug 2, 2025, 9:19 AM
does this tie rod kit work for both open and closed center setups on the SD8, or just one or the other?
Answer by: Customer Support on Aug 4, 2025, 6:26 AM
Both configurations are covered. The SD8 Series is built to handle open and closed center hydraulic systems, so the tie rod kit supports either setup depending on how your valve is assembled. No need to source separate hardware based on circuit type.
Question by: Ronnie S on Nov 28, 2025, 8:18 PM
Will this tie rod kit work with any of the Walvoil SD8 valve sections I might have laying around, or are there specific models it fits best?
Answer by: Customer Support on Nov 30, 2025, 8:24 AM
Designed specifically for the Walvoil SD8 series sectional valve, this tie rod kit ensures proper fit and function with that model.

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