DEENPU Wireline Stuffing Box
15000 PSI
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Product Overview
The DEENPU wireline stuffing box seals around the slickline at the top of the lubricator while the line is being run in or out of a live well. A hand-tightened pack-off compresses the packing element around the line; the integral sheave redirects the line to the floor block.
The light-weight design features a self-aligning sheave that follows line angle changes, reducing line wear and side load on the stuffing box. A composite-sheave version reduces weight further for manual rig-ups.
Key Features
- Self-aligning sheave tracks line angle automatically
- Quick-tighten pack-off with replaceable packing
- Light-weight design for manual handling
- Composite sheave option for further weight saving
- Working pressure to 15000 PSI with matching lubricator
Technical Specifications
| Type | Light weight / composite sheave |
| Function | Dynamic slickline seal at lubricator top |
| Sheave | Self-aligning, aluminium or composite |
| Packing | Replaceable pack-off elements |
Dimensions & Technical Data
Stuffing box specifications — light weight and composite sheave versions
Quality & Testing
Every DEENPU Wireline Stuffing Box is manufactured under our API-compliant quality system: raw material traceability, 100% dimensional inspection, hydrostatic pressure testing and hardness verification before packing. Material certificates, inspection reports and API documentation are provided with shipment on request.
Applications
- Slickline operations on live wells
- Top of lubricator / wireline valve stack
Frequently Asked Questions
Q: Stuffing box or grease head — which do I need?
A: For slickline, a stuffing box normally suffices. For braided line, or higher pressure with larger line, a grease injection head is used — many stacks carry both.
Q: Are pack-off elements stocked?
A: Yes, DEENPU supplies replacement packing sets for all sizes.
Get a Quote for the Wireline Stuffing Box — DEENPU
Contact DEENPU for factory-direct pricing, API documentation and fast worldwide delivery.
Email: SALES@DEENPU-MACHINERY.COM | WhatsApp: +86 180 5172 8055




