
Press Seal FKM
A high-performance sealing component designed for contractors working with stainless steel press-fit piping systems. Ideal for high-temperature and chemical applications, this seal ensures a leak-proof connection between pipe and fitting. To use, insert the FKM seal into the press fitting before pressing the joint with an approved tool. Its durable elastomeric design absorbs vibration and thermal expansion, maintaining system integrity under demanding conditions. Compatible with AP Stainless fittings, the FKM seal provides superior resistance to heat, chemicals, and corrosion, making it essential for chilled water, steam, air, and aggressive fluid systems.
Key Features
- Seal Material: FKM / Viton
- Temperature Range: Up to +200ยฐC (392ยฐF) for continuous operation
- Chemical Resistance: Excellent compatibility with oils, fuels, and aggressive chemicals
- Durability: Superior aging, ozone, and compression set resistance
- Application: Ideal for AIRpipe aluminum systems operating under high thermal and chemical stress
- Available Sizes: 3/4" up to 10"
Size Range
- Compatible with fittings from ยฝ" to 10", covering small to large-diameter piping systems.
Applications
- Chilled/Cooled Water
- Hot Water
- Process Water
- Low Pressure Steam
- Compressed Air & Inert Gases
- Vacuum Systems
- Chemicals
- Hydraulic Oils
- Acid & Caustic Solutions
- Wastewater
- Diesel Exhaust Fluid (DEF)
Certifications
- ASME B31.1, B31.3, B31.9
- ASTM A312
- ISO 9001, 14001, 45001
Warranty
- Backed by a 10-year warranty on all AP Stainless fittings when installed using approved seals and tools.
Additional information
| Weight | N/A |
|---|---|
| AP Stainless Outer Dimension | 101.6mm (4"), 133mm (5"), 159mm (6"), 16mm (1/2"), 20mm (3/4"), 219mm (8"), 25.4mm (1"), 273mm (10"), 32mm (1-1/4"), 40mm (1-1/2"), 50.8mm (2"), 63.5mm (2-1/2"), 76.1mm (3") |
| AP Stainless Certification | ASME, CE, EN, ISO 14001, ISO 45001, ISO 9001, TS, TUV, UL |
| Color | Brown Orange |
| Connection | Press |
| Features | High Flow |
| Material | FKM |
| Pressure | 188 PSI, 1mbar/0.03inhg (Full industrial vacuum), 200 PSI |
| Temperature | FKM/FPM -4ยฐF to +392ยฐF |
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(602) 362-7473



