Packing
SJ300 Packing
- 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: SJ300盘根3.75 (2)
Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue description records
The SJ300 Packing is an aftermarket replacement packing for SJ300 mud pumps. It provides the stationary high-pressure seal around the plunger or rod within the stuffing box, containing the pumped fluid while the rod reciprocates. The model designation is used for identification only and does not imply original-equipment manufacture.
Packing forms the stationary high-pressure seal around the plunger or rod in the stuffing box, containing pumped fluid as the rod reciprocates.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which mud pump does this packing fit?
- It is built as an aftermarket replacement for the SJ300 mud pump.
- Where does this packing sit and what does it seal?
- It sits in the stuffing box and seals around the plunger or rod, holding back the pumped fluid as the rod reciprocates.
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