The Multiquip 3448 Mechanical Seal is a genuine OEM component designed for MQ600-series trash pumps, including the MQ600TD80-TLRB, MQ600TD80-TLRP, MQ600H, MQ600HTB, and MQ600HTP. As an authentic Multiquip part, it is manufactured to the exact material and dimensional specifications of the original, ensuring a proper seal between the rotating shaft and the pump housing. If you are servicing any of the compatible MQ600-series models, verifying part number 3448 against your machine's parts manual is always recommended before ordering.
Key Features
- Genuine OEM Seal Material: — Manufactured to original Multiquip specifications, with sealing faces and elastomers matched to the abrasive, debris-laden fluids that trash pumps handle.
- Direct-Fit Shaft Interface: — Engineered to mount directly onto the pump shaft and seat flush against the volute housing, maintaining the original installation geometry without rework.
- Broad MQ600-Series Coverage: — Confirmed fitment across MQ600TD80-TLRB, MQ600TD80-TLRP, MQ600H, MQ600HTB, and MQ600HTP trash pump models.
- Preserves Pump Flow and Prime: — A sound mechanical seal keeps internal pump pressure contained, allowing the unit to maintain prime and deliver full rated flow. A worn seal causes pressure bleed-off, loss of prime, and shaft leakage.
- Fluid Containment Integrity: — In trash pump applications, seal failure allows slurry and contaminants to reach the bearing housing, accelerating wear across multiple components simultaneously.
A mechanical seal is the dynamic barrier between the pump's rotating impeller shaft and the outside of the pump casing. It works by pressing two precision-lapped sealing faces — one stationary, one rotating — against each other under spring tension, preventing the pumped fluid from escaping along the shaft. In trash pump service, where the fluid often carries sand, silt, and debris, maintaining a healthy mechanical seal is critical: once the seal faces wear or the elastomers harden, the pump will leak at the shaft, lose the ability to hold prime, and can quickly cause downstream damage to bearings and the pump body.
Part Details
| Part Number | 3448 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Mechanical Seal |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trash Pumps | MQ600TD80-TLRB |
| Trash Pumps | MQ600TD80-TLRP |
| Trash Pumps | MQ600H |
| Trash Pumps | MQ600HTB |
| Trash Pumps | MQ600HTP |
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.
