Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of dive depth gauge seals in China, also supports customized service. Please feel free to buy high quality dive depth gauge seals for sale here from our factory.
Why choose our dive depth gauge seals?
Excellent depth adaptability
The multi-layer composite rubber construction can withstand continuous water pressure from 200 meters to 1000 meters underwater, and the sealing performance is certified to the ISO 6425 diving equipment standard.
The unique design of Sliding Film Seal technology can effectively reduce friction loss and prolong the service life of the equipment.
Breakthroughs in materials science
The core material is hydrogenated nitrile butadiene rubber (HNBR), resistant to low temperatures (-40°C) and seawater corrosion, avoiding instrumentation errors caused by salt infiltration.
The surface is equipped with a wear-resistant carbon fiber coating to cope with underwater gravel and biological friction and ensure the integrity of the sealing ring in complex environments.
| Specification | Applicable depth range | Temperature tolerant | Compatible device types | Accreditation standards |
|---|---|---|---|---|
| DG-Seal 200M | 0 to 200 meters | -30°C to 80°C | Recreational dive computer | ISO 6425, CE |
| DG-Seal 500Pro | 200 to 500 meters | -40°C to 100°C | Professional diving instruments | MIL-STD-810G |
| DG-Seal 1000X | 500 to 1000 meters | -50°C to 120°C | Bathymetric equipment | API 17D, DNV |
Accuracy and safety are guaranteed
The pressure equalization system is embedded in the seal, and the pressure difference between the inside and outside is adjusted in real-time to prevent the depth gauge from drifting due to sudden pressure changes.
ASTM D1414 simulation test was passed to verify its sealing stability under repeated compression-rebound conditions.
Core advantages
Superpressure resistance: Through the simulated high-pressure chamber test, the compressive strength of the seal reaches more than 30MPa, which is suitable for the needs of deep-sea exploration equipment.
Corrosion resistance and anti-aging: The material formula is optimized to resist seawater salt spray, oil pollution, and microbial erosion, and prolong the maintenance interval of the equipment.
Precise fit: It supports a variety of specifications such as O-rings, U-rings, and customized special-shaped seals to meet the interface needs of different brands of depth gauges.
Value-added services for customers around the world
Customized service: according to customer drawings or samples to quickly open the mold, support small batch trial production to large-scale delivery (delivery time 7-15 days).
Whole process quality control: from raw material procurement to finished product delivery, through three quality inspections (size test, pressure test, simulated application environment test).
Cost optimization solution: Provide high-pressure distillation-resistant seals (reduce cost by 20% and maintain performance by 90%), suitable for budget-sensitive customers.
Success stories and customer testimonials
Case 1: Customized high-pressure fluoroelastomer sealing ring for a European marine scientific research institution, suitable for a 3,000-meter deep-sea probe, and has been running stably for 3 years without failure.
Case 2: Assisted the American diving equipment brand in upgrading the seals, reducing the product repair rate by 60% and increasing the customer repurchase rate by 35%.
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