Multiquip C15450661 Restricted Union MQC180

The Multiquip C15450661 Restricted Union MQC180 is a genuine OEM component designed for the MQC-180 concrete pump. Sourced directly from Multiquip, this part meets the exact specifications required for proper fluid flow management within the pumping system. Confirmed fitment for the MQC-180 ensures a straightforward, direct installation with no guesswork on compatibility.

Key Features

• Genuine OEM Construction — Manufactured to Multiquip's exact material and dimensional tolerances for the MQC-180 concrete pump circuit, ensuring the restricted orifice performs as engineered.
• Direct-Install Fitment — Engineered as a direct replacement union, threading and port sizing match the existing connections on MQC-180 plumbing lines without rework.
• Confirmed MQC-180 Compatibility — Verified fit for the MQC-180 cycloidal-driven concrete pump, so you order with confidence and install without delay.
• Controlled Flow Rate — The restricted union maintains precise hydraulic or fluid flow within the pump circuit, protecting downstream components from pressure spikes and ensuring consistent output performance.
• Pressure System Integrity — A worn or failing restricted union can cause pressure irregularities that lead to erratic pump output or component stress; replacing with a genuine part restores correct system balance.

A restricted union is a threaded fitting with an intentionally reduced internal bore that limits fluid flow to a controlled rate within the pump's hydraulic or fluid circuit. By governing flow volume and dampening pressure surges, it protects sensitive downstream components and helps the pump deliver consistent, steady output. When this fitting wears, corrodes, or becomes blocked, flow regulation is compromised — leading to pressure imbalances, inconsistent pump performance, and potential damage to connected system components.

For questions about fitment or to confirm this is the right part for your MQC-180, contact the DHS Equipment team before ordering.

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.