DSI DKBI DKBI3 DKBZ Hydraulic Dust Seals for Heavy Load Cylinders - Temperature -40°C to 120°C, Pressure ≤400 bar
DSI, DKBI, DKBI3, and DKBZ hydraulic dust seals are engineered for heavy-load hydraulic cylinders, providing superior protection against contaminants in demanding industrial environments.
- Hydraulic and pneumatic machinery
- Construction and mining equipment
- Chemical processing and ship equipment
- Terminal and municipal machinery
- Stacker, food processing, and military equipment
- Metallurgical equipment
Manufactured from high-quality polyurethane (PU) with two primary formulations:
- AU (Polyester Polyurethane): Temperature range -40°C to 100°C, superior oil resistance, heat resistance, and metal adhesion
- EU (Ether Polyurethane): Temperature range -80°C to 90°C, excellent hydrolysis resistance, cold resistance, and antibacterial properties
- Hardness range: 60-95A
- Temperature: -40°C to 100°C
- Hardness: 60-90A
- Pressure: ≤400 bar
- Speed: 0.5 m/s
- Double lip design with excellent dustproof performance
- Resistant to heat, oil, fatigue, aging, and friction
Features outer iron shell construction with polyurethane sealing elements. Designed for heavy-duty reciprocating hydraulic cylinder piston rods to prevent ingress of dust, dirt, sand, and metal powder. Provides superior dust scraping and oil scraping effects while protecting equipment and maintaining seal performance.
- High-quality materials with exceptional wear, temperature, oil, and dust resistance
- Precision manufacturing for specific application requirements
- Easy replacement during equipment maintenance
- High mechanical strength for effective machine operation
- Competitive pricing with direct manufacturer discounts available
Original factory packaging with flexible delivery options:
| Quantity Status | Delivery Time |
|---|---|
| In stock | 1 day |
| Out of stock (air freight) | 7-15 days |
| New order production | To be negotiated |
Shipping Methods: Sea, air express, DHL, EMS, FADEX, TNT, UPS
Payment Terms: Western Union, Cash, Bank, PayPal, HSBC, City Bank
Comprehensive range of sealing solutions including:
- Wiper Seals: DKI, DWI, DWIR, DKBI, DKBI3, DKBZ, DKB, DKH, DSI, LBI, LBH, LBHK, VAY
- Piston Seals: SPGW, SPGO, SPG, SPGA, NCF, ODI, OSI, OUIS, OHM, OKH
- Rod Seals: IDI, IUH, ISI, IUIS, SPNO, IUY
- U Seals: UPI, UPH, USH, USI, UNI, V99F, V96H
- Buff Seals: HBTS, HBY, HBTTS
- O-Rings: Multiple series including P, G, AS, S, and M series
- Back Up Rings: Various materials including PTFE and nylon
NOK Corporation, founded in 1939, is one of Japan's earliest and world's largest manufacturers of sealed products, pioneering advancements in the global seal industry.
- Affordable pricing with extensive product range
- Over 30,000 product specifications in stock
- Professional technical support and engineering services
- Comprehensive sealing solutions for diverse applications
North America, Europe, Middle East, Africa, Southeast Asia and other global markets.
Yes, we provide professional OEM services for seals, seal kits, O-ring kits, and custom product development.
Small trial orders are acceptable to accommodate customer needs.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.