Material Specifications.
For APM Hexseal® Standard Seelnuts®
- Nut Material: Low Carbon Steel with Zinc-Chromate Plating
- Threads: Metric— Class 6H
- Elastomer: Silicone conforms to A-A-59588, Class 3A, GR60, Red
- Temperature Range: -103° F to +400° F ( -75° C to +204° C)
- Pressure Range: Up to 20,000 psig internal and external (subject to clearance hole dimensions).
- Resistant to: Splash, salt spray, sunlight, ozone, weather, fungus, dust, and most acids and lubricating oils.
- Shelf Life: Excess of 25 years.