Diaphragm of rock drills 55025293
Price:
6397
MOQ:
1
Delivery Time:
15days
Brand:
Sand-vik
Product Description
Diaphragm of Rock Drills 55025293
55025293 is a hydraulic rock drill accumulator diaphragm (nitrogen diaphragm) for Sand-vik (Tamrock) HL-series rock drills. It seals the nitrogen accumulator, isolates hydraulic oil from nitrogen gas, and stabilizes impact pressure during drilling.
Basic Information
- Part Number: 55025293 (also written as 550 252 93)
- Description: Rock Drill Accumulator Diaphragm / Nitrogen Diaphragm
- Brand: Sand-vik (Tamrock)
- Material: FKM (Viton) fluoroelastomer — oil-resistant, high-temperature resistant, anti-aging, and tear-resistant
- Application: Nitrogen accumulator seal for hydraulic rock drills (isolates nitrogen from hydraulic oil)
- Weight: Approx. 0.15–0.2 kg
- Warranty: 6 months (OEM quality)
Compatible Models
- Rock Drills: HL1560T, HLX5, HL800T, HL810T
- Drill Rigs: Underground mining/tunneling jumbos matching HL-series drills
- Other: Hydraulic rock drill accumulator maintenance & repair
Key Features
- High pressure resistance: Up to 250 bar, suitable for heavy-duty impact conditions
- Wide temperature range: -20°C to +150°C, adaptable to harsh underground environments
- Durable: Anti-fatigue, anti-aging, and anti-tear for long service life
- Direct replacement: OEM quality, interchangeable with original Sand-vik specifications
Reference Image
No official standalone photo for 55025293. Below is a same-spec Sand-vik accumulator diaphragm (identical structure/appearance):
Installation Notes
- Clean the accumulator housing thoroughly before installation to remove oil, grease, and debris.
- Install the diaphragm with the sealing lip facing the nitrogen side; ensure the sealing surface is scratch-free.
- Charge nitrogen per equipment specs (typically 120–150 bar); avoid overpressure.
- Inspect regularly for aging/cracking to prevent nitrogen leaks and weak impact performance.
Cross-Reference
- Alternative Part Numbers: 550-252-93, 55025293
- Replacement: OEM Sand-vik quality, direct fit for HL-series drills
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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