Tri Clamp Gasket Material Features
Different Tri Clamp gasket materials provide different sealing performance depending on temperature, media, and operating conditions. Below are the key characteristics of the most commonly used sanitary clamp gasket materials.
Silicone Tri Clamp Gasket
Silicone Tri clamp gaskets are widely used in sanitary industries such as food, beverage, and pharmaceutical processing due to their excellent flexibility and hygienic properties.
Features
Smooth and delicate surface for reliable sealing performance
Excellent elasticity with strong toughness
Low friction coefficient and good wear resistance
High resilience and ability to withstand impact loads without deformation
Chemically stable, odorless, and safe for hygienic environments
Insoluble in water and most solvents
These properties make silicone a popular material for hygienic sanitary clamp gasket used in clean processing systems.
PTFE Tri Clamp Gasket
PTFE Tri clamp gaskets are ideal for demanding applications requiring high chemical resistance and extreme temperature performance.
Features
Excellent high temperature resistance up to 280°C
Outstanding low temperature performance, maintaining elongation even at -196°C
Made from 100% virgin PTFE material with no recycled fillers
Exceptional corrosion resistance to most chemicals and solvents
Excellent aging resistance with long service life
Extremely low friction coefficient among solid materials
Environmentally friendly material with certification support
These advantages make PTFE Tri clamp gaskets the preferred choice for highly corrosive or chemically aggressive environments.
FKM (Viton) Tri Clamp Gasket
FKM Tri Clamp gaskets are designed for applications involving oils, fuels, and high temperatures.
Features
Working temperature up to +240°C
Maintains elasticity even at -25°C
Excellent resistance to oil, fuel, and petroleum-based fluids
Outstanding aging resistance for long service life
Reliable sealing performance in demanding industrial environments
These properties make FKM gaskets suitable for sanitary pipelines handling oil-based media.
EPDM Tri Clamp Gasket
EPDM Tri Clamp gaskets are widely used for water, steam, and general industrial sealing applications.
Features
Maximum working temperature up to +150°C
Maintains elasticity at temperatures as low as -45°C
Excellent resistance to water, steam, and weathering
Good aging resistance and long service life
Cost-effective sealing solution for general industrial applications
EPDM is a popular choice for sanitary Clamp gasket used in water-based processing systems.
Tri Clamp Gaskets Material Comparison
| Material | Temperature Range | Main Advantages | Typical Applications |
| Silicone | -60°C to 200°C | Hygienic, flexible, smooth surface | Food & pharmaceutical |
| PTFE | -196°C to 280°C | Chemical resistance, low friction | Corrosive media |
| FKM | -25°C to 240°C | Oil and fuel resistance | Petroleum & oil systems |
| EPDM | -45°C to 150°C | Water & steam resistance | General industrial |
Tri Clamp Gaskets Sizes(mm)

| Shaft Diameter | D1 | D2 | D | H |
| 19 | 19 | 43 | 50.5 | 4 |
| 25 | 21 | 43 | 50.5 | 4 |
| 32 | 31 | 43 | 50.5 | 4 |
| 38 | 35 | 43 | 50.5 | 4 |
| 45 | 43 | 56 | 64 | 4 |
| 51 | 50 | 56 | 64 | 4 |
| 57 | 53 | 70 | 77.5 | 4 |
| 63 | 59 | 70 | 77.5 | 4 |
| 76 | 72 | 85 | 91 | 4 |
| 89 | 86 | 96 | 106 | 4 |
| 102 | 96 | 109 | 119 | 4 |
| 108 | 107 | 111 | 119 | 4 |
| 114 | 115 | 125 | 130 | 5 |
| 133 | 127 | 137 | 145 | 5 |
| 140 | 136 | 148 | 155 | 5 |
| 159 | 159 | 174 | 183 | 5 |
| 204 | 203 | 209 | 217 | 5 |
| 219 | 219 | 230 | 233.5 | 5 |
| 254 | 254 | 255 | 268 | 5 |
Contact us recommend the suitable material for your working conditions!










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