The Multiquip EM400555 3/4" Orifice is a genuine OEM component designed for the FM9 finishing machine. Sourced directly from Multiquip, this part meets the exact specifications of the original, ensuring a proper fit and correct flow performance within the fluid circuit of your FM9. If your finishing machine is showing signs of uneven output, pressure irregularities, or fluid control issues, replacing the orifice with the correct OEM part is a critical first step to restoring consistent operation.
Key Features
- Exact OEM Flow Specification — Manufactured to the original 3/4" orifice diameter, maintaining the precise flow rate the FM9 fluid system was engineered around.
- Direct-Fit Installation — Matches the original port sizing and thread configuration of the FM9, dropping into place without additional machining or adapters.
- Confirmed FM9 Fitment — Verified for use on the Multiquip FM9 finishing machine; use part number EM400555 to confirm compatibility before ordering.
- Consistent Fluid Control — A correctly sized orifice regulates flow and pressure throughout the system; an undersized or damaged orifice causes erratic output and accelerated wear on downstream components.
- Genuine Multiquip OEM Quality — Produced to the same material and dimensional standards as the part originally installed at the factory, ensuring long service life in demanding finishing applications.
An orifice is a precisely sized opening within a fluid or hydraulic circuit that controls the rate and pressure of fluid flow passing through it. By restricting flow to a calibrated diameter, it regulates how quickly fluid moves between system components, directly influencing output consistency and operating pressure. When an orifice becomes worn, corroded, or clogged, the system can experience pressure loss, uneven flow, or reduced machine performance — making timely replacement with a correctly rated part essential to keeping the FM9 operating as designed.
Part Details
| Part Number | 400555 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | 3/4" Orifice |
Compatibility & Fitment
| Name | Model |
|---|---|
| Finishing Machine | FM9 |
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.
