Stuffing Box
JWS340 Stuffing Box — 4寸
- Catalogue reference number
- Not recorded
- Catalogue brand
- Not recorded
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.
Original designation: JWS340填料盒螺母-4寸 1717743-2
Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Size | 4寸 |
Catalogue description records
This JWS340 Stuffing Box is a 4-inch (4寸) aftermarket replacement part for the JWS340 mud pump. The stuffing box assembly retains the packing that seals around the reciprocating plunger or piston rod, containing the pumped drilling fluid while keeping the moving rod centered through the fluid end. Per the source name this item corresponds to the 4-inch stuffing-box nut. The JWS340 model number and 4-inch size are used for identification and fitment only; this is a replacement part, not an original-manufacturer component.
The stuffing box houses the packing that seals around the reciprocating rod or plunger.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which mud pump and size does this stuffing box part fit?
- It is a 4-inch (4寸) replacement stuffing-box part (the stuffing-box nut per the source name) for the JWS340 mud pump.
- What does the stuffing box do?
- It retains the packing that seals around the reciprocating rod, containing the fluid and guiding the rod through the fluid end.
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