Sand-vik Rock Drill Seals 87218939
Price:
81
MOQ:
1
Delivery Time:
15days
Brand:
Sand-vik
Product Description
Sand-vik Rock Drill Seal 87218939
Part No.: 87218939
Name: U‑Seal / Hydraulic U‑Cup Seal
Brand: Sand-vik
Fits: Sand-vik DD311, DD321, DL421 series underground rock drills
Function: Hydraulic cylinder pressure seal (feed/rotation circuit), prevents internal leakage.
1. Technical Specifications
- Type: Single‑acting U‑cup (one‑way pressure)
- Material: NBR (nitrile rubber) standard; FKM upgrade available
- Pressure: Up to 250 bar (max 300 bar)
- Temperature: −30 °C to +100 °C (NBR); up to +200 °C (FKM)
- Dimensions (typical): ID ≈ 22 mm, OD ≈ 30 mm, Width ≈ 4 mm
- Weight: ≈ 0.01 kg
- Cross Ref: 87218939EP (EP upgrade)
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Company
Hunan Chengzhai Machinery Equipment Co., Ltd.
Location
Changsha Avenue, Yuhua District, Changsha, Hunan, China (Changsha) ASEAN Economic and Trade Cooperation Headquarters Base 1209
Contact Person
sunny wen