Material Specifications.
For APM Hexseal® Standard Seelskrews® & Seelbolts®
- Screw Material: 18/8 Stainless Steel, passivated
- Threads: Imperial— Class 2A
- O-Ring Elastomer: Silicone conforms to A-A-59588, Class 2, GR60 or GR70, Red
- Temperature Range: -80° F to +425° F ( -62° C to +219° 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.