Multiquip EM25447 ST30 Volume Control Valve

The Multiquip EM25447 ST30 Volume Control Valve is a genuine OEM component designed for the ST30 swing tube concrete pump. Sourced directly from Multiquip, this valve meets the exact specifications of the original part installed at the factory. Confirmed fitment for ST30 series concrete pumps means no guesswork when it comes to compatibility or installation.

Key Features

• Genuine OEM Construction — Manufactured to the precise tolerances required for consistent hydraulic flow control in concrete pump applications, ensuring the valve seats and seals correctly under operating pressure.
• Direct Drop-In Replacement — Engineered to the same port sizing and thread spec as the original ST30 valve, allowing straightforward installation without reworking fittings or lines.
• Confirmed ST30 Fitment — Specifically matched to the ST30 swing tube concrete pump, so you can order with confidence knowing this is the correct valve for your machine.
• Consistent Output Volume Control — A properly functioning volume control valve maintains steady, adjustable concrete output; a worn or failing valve causes erratic flow, pressure loss, and inconsistent pump performance.
• Hydraulic System Integrity — As a fluid control component in a high-pressure concrete pumping circuit, using the correct OEM valve protects downstream hydraulic components from the stress caused by uncontrolled flow variation.

The volume control valve regulates the flow rate of concrete through the pump by controlling hydraulic pressure and output volume. On swing tube concrete pumps like the ST30, this valve is a critical part of the delivery circuit — it allows the operator to adjust output to match the pour rate needed on site. When the valve wears out or fails, the pump loses the ability to maintain consistent pressure and volume, resulting in surging, flow loss, or an inability to regulate output at all. Keeping this valve in good working condition is essential to maintaining smooth, controlled concrete placement.

Part Number EM25447 is sold by DHS Equipment as an authorized Multiquip parts distributor. For fitment questions or ordering assistance, contact the DHS Equipment team directly.

Part Details

Compatibility & Fitment

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.