The Multiquip 3054938 Valve Weight is a genuine OEM component designed for MQ diaphragm pump models including the D306, MQ-D305, and MQ-D306HA. As a direct factory replacement, this part is manufactured to the same specifications as the original, ensuring consistent valve operation and pump performance. Sourced directly through authorized Multiquip supply channels, the 3054938 is the correct part for maintaining your diaphragm pump's fluid handling integrity across the supported model range.
Key Features
- Genuine OEM Construction: — Manufactured to original design tolerances, ensuring the valve weight delivers the correct seating force and check valve response specific to MQ diaphragm pump internals.
- Direct Drop-In Replacement: — Engineered to seat and function identically to the original component, with no rework or modification to the valve assembly required.
- Confirmed Fitment: — Compatible with MQ diaphragm pump models D306, MQ-D305, and MQ-D306HA; verify your model code before ordering.
- Consistent Flow Control: — Proper valve weight ensures check valves open and close at the correct differential pressure, maintaining steady, controlled fluid output on every stroke.
- Prevents Backflow and Prime Loss: — A worn or missing valve weight allows valves to flutter or seat improperly, causing fluid backflow, lost prime, and erratic pumping — replacing it restores correct one-way flow behavior.
The valve weight is a critical internal component within a diaphragm pump's check valve assembly. It applies the precise amount of downward force needed to keep the valve closed against backflow pressure between strokes, then allows it to open cleanly when the diaphragm creates suction or discharge pressure. When the valve weight is worn, corroded, or missing, the pump loses its ability to maintain prime, output becomes inconsistent, and fluid can push back through the valve — reducing efficiency and potentially damaging downstream equipment.
For assistance confirming fitment or to check availability, contact the DHS Equipment team directly.
Part Details
| Part Number | 3054938 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Valve Weight |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | D306 |
| MQ Diaphragm Pumps | MQ-D305 |
| MQ Diaphragm Pumps | MQ-D306HA |
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.
