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Walvoil SD6 (SV) MAIN Relief Plug

Description & Features

Designed for use with Walvoil SD6 (SV) directional control valves, this main relief plug is a direct replacement component sourced from Walvoil Fluid Power. It serves as the primary pressure-limiting element within the SD6 valve assembly, maintaining system pressure control in mobile and industrial hydraulic circuits where the SD6 platform is deployed.

As a genuine Walvoil Fluid Power part, the Walvoil SD6 (SV) Main Relief Plug is built to OEM fit and function standards, making it a reliable choice for maintenance, rebuild, or repair applications on compatible valve sections.

SKU: XTAP623282

Supplier Part Number (MPN): XTAP623282

Alternate Part Numbers: C1HV78

Specifications

Alternate Part Numbers Alternate Part Number C1HV78	Brand Walvoil Fluid Power Corp.	Brand Walvoil Fluid Power	Pack Size 1.00	UOM EA	Supplier Part Number XTAP623282	Product Weight 0.60 lbs

Product Questions & Answers (3)

Question by: Billy R on Aug 5, 2025, 10:29 AM

So this is just the relief valve part, right? Not the whole SD6 valve?

Answer by: Customer Support on Aug 6, 2025, 12:54 PM

That's correct, this is the main relief plug specifically designed for the Walvoil SD6 (SV) directional control valve. It's the pressure-limiting piece that goes inside the valve.

Question by: Debbie T on Sep 28, 2025, 3:57 PM

Is this a genuine Walvoil part or one of them aftermarket knockoffs?

Answer by: Customer Support on Sep 30, 2025, 1:53 PM

Genuine Walvoil Fluid Power part, sourced directly from them. It's built to OEM fit and function standards, so it'll drop right into your SD6 (SV) valve assembly the same way the original did. Part number XTAP623282, also cross-references as C1HV78 if you're looking it up in older records.

Question by: Freddie C on Sep 22, 2025, 11:52 AM

got an SD6 (SV) valve apart on the bench, is this main relief plug the right replacement part?

Answer by: Customer Support on Sep 23, 2025, 4:55 PM

For Walvoil SD6 (SV) directional control valves, this is the main relief plug meant to replace the primary pressure limiting element in that SD6 valve assembly. The supplier part number is XTAP623282, and it also crosses to alternate part number C1HV78.