The Multiquip 3054936 Flap Valve Seat with Spring Pin is a genuine OEM component designed for MQ-D305, D306, and MQ-D306HA diaphragm pumps. As an authorized Multiquip parts supplier, DHS Equipment sources this part directly through official channels, so you get the exact component engineered for your machine. This flap valve seat with spring pin matches the original specification, ensuring proper valve action and sealing performance within the pump's fluid end. Confirm your model code against the fitment list before ordering to make sure 3054936 is the correct part for your unit.
Key Features
- Genuine OEM Valve Sealing Integrity — Manufactured to the exact material hardness and seating geometry required for consistent check-valve closure in diaphragm pump applications.
- Integrated Spring Pin Retention — The spring pin is included as part of the assembly, so the valve seat installs as a complete unit without sourcing separate hardware.
- Confirmed Fitment — Direct replacement for MQ-D305, D306, and MQ-D306HA diaphragm pumps; always cross-reference your model code to verify compatibility.
- Sustained Flow Performance — A properly seated flap valve maintains one-directional flow and correct discharge pressure; a worn or damaged seat causes backflow, pressure loss, and reduced pump output.
- Fluid-End Durability — OEM-grade materials resist wear and chemical exposure common in dewatering and fluid transfer applications, extending service intervals between valve inspections.
The flap valve seat is a critical component in the fluid end of a diaphragm pump. It provides the sealing surface against which the flap valve closes on each stroke, creating the one-way check action that moves fluid through the pump in a controlled direction. When the seat is worn, cracked, or improperly retained, the valve cannot seal fully, causing fluid to bypass back through the pump, which results in a noticeable drop in flow rate and discharge pressure. Replacing the seat and spring pin as an assembly restores proper valve closure and gets the pump back to rated output.
Part Details
| Part Number | 3054936 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Flap Valve Seat with Spring Pin |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | MQ-D305 |
| MQ Diaphragm Pumps | D306 |
| 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.
