The Multiquip 12933 Volute Casing Packing is a genuine OEM component designed for QP2B, QP2H, and HHN series equipment. As a direct OEM replacement, this packing is manufactured to Multiquip's exact material and dimensional standards, ensuring a proper seal within the volute casing assembly. Confirmed fitment includes the QP2B, QP2H centrifugal pumps, and Whiteman ride-on power trowel models including HHN34TVD, HHN31V, HHXD5, HHXD5-ES, HHXDF4-DF5, HHXG5, and HHNG5. Always verify your model code before ordering to ensure compatibility.
Key Features
- OEM Seal Material Integrity — Manufactured to Multiquip's exact compression and material specifications, maintaining a leak-free interface at the volute casing joint.
- Drop-In Replacement — Seats directly into the volute casing housing, matching the original profile and thickness for a clean, straightforward swap during service.
- Broad Model Coverage — Fits QP2B and QP2H centrifugal pumps as well as multiple HHN-series Whiteman ride-on power trowel models, including HHXD5, HHXDF4-DF5, HHN34TVD, and HHN31V.
- Maintains Fluid Containment — A correctly seated volute casing packing keeps pump output pressure consistent and prevents fluid from bypassing the impeller chamber during operation.
- Fluid System Safety — Worn or degraded packing can allow pressurized fluid to escape the casing, creating a potential hazard and masking pump performance issues — replacing at the first sign of wear is critical.
The volute casing packing forms a compression seal between the volute casing and adjoining components in a pump or fluid-transfer assembly. Its role is to prevent fluid from leaking out of the casing at the joint, which is essential for maintaining internal pressure and ensuring the pump delivers its rated flow and output. When this packing deteriorates — through heat cycling, chemical exposure, or simple wear — the seal breaks down, causing pressure loss, external leakage, and potential damage to surrounding components if left unaddressed.
For assistance confirming fitment for your specific machine, contact the DHS Equipment team directly.
Part Details
| Part Number | 12933 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Volute Casing Packing |
Compatibility & Fitment
| Name | Model |
|---|---|
| Centrifugal Pumps | QP2B |
| Centrifugal Pumps | QP2H |
| Whiteman Ride-On Power Trowels | HHNG5 |
| Whiteman Ride-On Power Trowels | HHXDF4-DF5 |
| International Ride-On Power Trowels | EHHNK5 |
| Whiteman Ride-On Power Trowels | HHXD5-ES |
| Whiteman Ride-On Power Trowels | HHXD5 |
| Whiteman Ride-On Power Trowels | HHXG5 |
| Whiteman Ride-On Power Trowels | HHN34TVD |
| Whiteman Ride-On Power Trowels | HHN31V |
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.
