The Multiquip EM27429 Auto Comp Valve is a genuine OEM component designed for the ST30 swing tube concrete pump. As a direct OEM replacement, it is built to the exact specification of the original part, ensuring proper integration with the ST30 hydraulic and pumping systems. DHS Equipment supplies this part direct, so you can order with confidence knowing you are receiving an authentic Multiquip component backed by verified fitment for the ST30.
Key Features
- OEM-Matched Pressure Calibration — Engineered to the exact compensation thresholds of the original valve, maintaining consistent hydraulic response across the ST30 pump cycle.
- Direct Drop-In Fitment — Designed to mount and connect exactly as the original, with no adaptation needed to seat correctly within the ST30 valve assembly.
- ST30 Compatibility — Verified fitment for the Multiquip ST30 swing tube concrete pump series.
- Sustained Output Consistency — A properly functioning auto comp valve keeps concrete flow stable under varying load conditions; a worn or failed valve leads to erratic pressure and uneven pour output.
- Hydraulic System Integrity — Correct valve operation protects downstream hydraulic components from pressure spikes, extending the service life of the broader pumping circuit.
The auto comp valve in a swing tube concrete pump automatically regulates hydraulic compensation pressure during each stroke cycle. It ensures that the pumping output remains steady regardless of fluctuations in line pressure or material consistency. When this valve wears or fails, the pump can exhibit inconsistent flow, pressure surges, or difficulty maintaining output — all of which affect pour quality and can place additional stress on other hydraulic components.
Need help confirming this is the right part for your ST30? Contact the DHS Equipment parts team for fitment support.
Part Details
| Part Number | EM27429 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Auto Comp Valve |
Compatibility & Fitment
| Name | Model |
|---|---|
| ST30 | ST30 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.