Various Custom Dam Seal Profiles
NHPC Dam Gate Rubber Seal - Custom Profile
Our Custom Profile Dam Gate Seals are precision-engineered to exact customer specifications for NHPC (National Hydroelectric Power Corporation) hydroelectric projects and major water infrastructure installations. Each seal is custom-designed based on gate geometry, hydrostatic pressure requirements, and operational conditions, then manufactured using premium EPDM or Neoprene compounds selected for optimal performance. Our engineering team works directly with project managers to develop seal profiles that ensure water-tight integrity while accommodating gate movement, thermal expansion, and decades of reliable service. All custom seals undergo pressure testing, dimensional verification, and material certification before delivery.
Technical Specifications
| Material | EPDM or Neoprene Rubber (compound selected per application) |
| Grade | EPDM: ASTM D2000 M3AA 710, Neoprene: ASTM D2000 M4BG 820 |
| Hardness | 55-70 Shore A (specified per application) |
| Temperature Range | EPDM: -40°C to 120°C, Neoprene: -40°C to 100°C |
| Tensile Strength | ≥ 12 MPa |
| Elongation | ≥ 300% |
| Compression Set | ≤ 15% at 70°C for 22 hours |
| Tolerance Class | A1 |
| Standards | ASTM D2000, IS 3400, NHPC Technical Specifications, ISO 9001:2008 |
| Certifications | ISO 9001:2008 Certified, NHPC Approved Supplier, BIS Certified |
| Custom Engineering | Profile designed per gate geometry |
| Hydrostatic Pressure Rating | Up to 80 meters water head |
| Water Absorption | ≤ 1.2% (ASTM D471) |
| Ozone Resistance | Excellent (no cracking at 100 pphm for 96 hours) |
| UV Resistance | Superior (15+ years outdoor exposure) |
| Tear Resistance | ≥ 35 kN/m (Die C) |
| Length | Custom (up to 15 meters continuous vulcanization) |
| Width | Custom profile (typically 150-500mm) |
| Thickness | Custom profile (typically 30-80mm) |
Key Features
Custom-engineered to exact project specifications
NHPC approved supplier with proven track record
Material selection optimized for application (EPDM or Neoprene)
Continuous lengths up to 15 meters vulcanization
Exceptional pressure rating (up to 80m water head)
Superior ozone and UV resistance for long service life
Complete engineering support from design to installation
Supplied to 30+ major NHPC hydroelectric projects
Applications
Technical Documents
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