Clamp Type Rubber Expansion Joint NBR 40 Bars -30°C to 150°C for Air Water Acid Oil Piping Systems
Professional NBR rubber expansion joint designed for air, water, acid, and oil applications with temperature range from -30°C to 150°C and pressure rating up to 40 bars.
Effectively reduces vibration and noise in piping systems
Accommodates misalignment, expansion, and contraction
Suitable for chemical pipelines with acid, alkali, and corrosive media
| Type | Working Pressure MPa (Kg f/cm²) | Explosion Pressure MPa (Kg f/cm²) | Vacuum KPa (mmHg) |
|---|---|---|---|
| I | 1.0 (10) | 3.0 (30) | 53.3 (400) |
| Ⅱ | 1.6 (16) | 4.8 (48) | 86.7 (650) |
| Ⅲ | 2.5 (25) | 5.5 (55) | 100 (750) |
Temperature Range: -15°C to 115°C (extended to -30°C to 250°C under special conditions)
Compatible Media: Water, sea water, hot water, oil, acid, alkali, and other industrial fluids
| DN | Length (mm) | Axial Extension (mm) | Axial Compression (mm) | Horizontal Displacement (mm) | Deflection Angle |
|---|---|---|---|---|---|
| 32 (1 1/4") | 95 | 6 | 9 | 15° | |
| 40 (1 1/2") | 95 | 6 | 10 | 15° | |
| 50 (2") | 105 | 7 | 10 | 15° | |
| 65 (2 1/2") | 115 | 7 | 13 | 15° | |
| 80 (3") | 135 | 8 | 15 | 15° | |
| 100 (4") | 150 | 10 | 19 | 15° | |
| 125 (5") | 165 | 12 | 19 | 15° | |
| 150 (6") | 180 | 12 | 20 | 15° | |
| 200 (8") | 210 | 16 | 25 | 15° | |
| 250 (10") | 230 | 16 | 25 | 15° |
- ISO9001 Quality Management System Certified
- TUV, WRAS, CO, MTC, PL, IV certified
- 10+ years of manufacturing and export experience
- Guaranteed product quality and delivery schedule
- Comprehensive technical support and service system
Widely used in chemical processing plants, industrial pipelines, and corrosive environments including:
- Strong acid-base chemical pipelines
- High-temperature steam and exhaust systems
- Corrosive gas transmission and processing
- Mill high-pressure oil lines and heat exchangers
- Tower, tank linings, valves, and chemical equipment
Detailed instructions and best practices for proper installation
Expert support for identifying and resolving operational issues
Professional advice for long-term reliability and performance
Available in comprehensive sizes from DN25 up to DN1200 to accommodate various industrial piping requirements.
Certified with ISO9001, TUV, WRAS, CO, MTC, PL, IV, ensuring international quality standards compliance.
Minimum order quantity is 1 set, providing flexibility for project requirements.
Packaged with inner plastic film and outer wooden case. Steel frame reinforcement for multiple units. Delivery within 15-30 working days after payment.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.