YALAN Seals provides many types of auxiliary seal materials for our mechanical seals, according to different operating conditions of our clients' devices. You can check our auxiliary seal materials (Elastomers) and their features below.
Auxiliary Seal Materials |
Features / Suitable Operating Conditions |
| NBR Type 1 |
Operating Temperature -15ºC to 100ºC Mediums: petroleum base oil, lubricating grease, and water. |
| NBR Type 2 |
Operating Temperature -40ºC to 110ºC Features: great compression deformation performance and aging resistance. Usages: ideal material for stationary seals; with its great oil resistivity, it is suitable for long-term operating in 150ºC oil. |
| NBR Type 3 |
Operating Temperature -40ºC to 110ºC Features: High tensile strength and elongation, good for being used in dynamic seals. |
| HNBR Type 1 |
Operating Temperature -25ºC to 150ºC Features: thermal shock resistant, oil resistant, fuel resistant, hydrogen sulfide corrosion-resistant, refrigerant resistant (ammonia and R1340). |
| HNBR Type 2 |
Operating Temperature -40ºC to 180ºC Features: great mechanical performance, corrosion resistant, ozone resistant and great weather resistance. |
| Viton Type 1 |
Operating Temperature -25ºC to 250ºC Features: high temperature resistant, ozone resistant, oil resistant, vacuum resistant, corrosion resistant. Usage: mainly as the material for rubber bellows. |
| Viton Type 2 |
Operating Temperature -25ºC to 250ºC Features: high temperature resistant, ozone resistant, oil resistant, vacuum resistant, corrosion resistant. Usage: mainly as the material for O-rings. |
| Viton Type 3 |
Operating Temperature -20ºC to 200ºC Features: high temperature resistant, vacuum resistant, strong acid and alkali resistant, oil resistant and organic solvent resistant. |
| Viton Type 4 |
Operating Temperature -20ºC to 230ºC Features: strong oxidant resistant, oil resistant, organic solvent resistant, and strong acid and alkali resistant. |
| Viton Type 5 |
Operating Temperature -20ºC to 250ºC Features: specifically strong acid and alkali resistant. |
| Viton Type 6 |
Operating Temperature -20ºC to 200ºC Feature: propylene resistant. |
| Viton Type 7 |
Operating Temperature -25ºC to 230ºC Feature: high elongation. Usages: suitable for dynamic seals and rubber bellows. |
| Viton Type 8 |
Operating Temperature -25ºC to 230ºC Feature: permanent deformation with compression. Usage: suitable for stationary seals. |
| FEPM |
Operating Temperature -20ºC to 200ºC Features: water vapor resistant, strong alkali and oxidant resistant, mixed acid resistant, synthetic oils of phosphate esters resistant. |
| FEPM |
Operating Temperature -25ºC to 250ºC Features: hot water resistant, water vapor resistant, strong alkali resistant. |
| EPDM |
Operating Temperature -25ºC to 150ºC Features: hot water resistant, ozone resistant, polar solvent resistant, oxo solvent resistant, mineral compound resistant, organic salt resistant, weak mineral acid resistant, alkali resistant, glycol based compound resistant. |
| EPDM |
Operating Temperature -25ºC to 150ºC Features: weather aging resistant, water vapor resistant, high temperature resistant, low compression deformation. Usage: suitable for stationary seals. |
| Aflas |
Operating Temperature -20ºC to 230ºC Features: vapor resistance, hot water resistance, methyl alcohol resistance, highly corrosive acid and alkali resistance, polar solvent resistance. |
| MVQ Type 1 |
Operating Temperature -60ºC to 230ºC Features: high and low temperature resistant, ozone resistant, antioxidant. |
| MVQ Type 2 |
Operating Temperature -60ºC to 230ºC Features: high and low temperature resistant, ozone resistant, antioxidant, colorless. Usage: suitable for food processing and pharmaceutical industries. |
| Neoprene |
Operating Temperature -45ºC to 100ºC Features: aging resistant, ozone resistant, weather resistant. Operating Conditions: working with coolants and glues. |
| ECO |
Operating Temperature -20ºC to 100ºC Features: heat resistant, oil resistant, aging resistant, cold resistant. Operating Conditions: working with Freon and R22. |
| ETP | Feature: acetone solvent resistant |
| Asbestos | |
| FFPM Type 1 | Operating Temperature -7ºC to 275ºC, widely used |
| FFPM Type 2 | Operating Temperature -7ºC to 275ºC, widely used |
| PTFE Spring Seal Ring |
Operating Temperature -60ºC to 260ºC Liner Speed ≤ 15M/S Operating Condition: normal corrosion. |
| Double Layer PTFE Coating Viton |
Operating Temperature -20ºC to 200ºC Mediums: wide range of mediums except for halides, molten alkali metals, and fluorocarbons. |
| Double Layer PTFE Coating EPDM |
Operating Temperature -25ºC to 200ºC Mediums: wide range of mediums except for halides, molten alkali metals, and fluorocarbons. |
| Double Layer PTFE Coating MVQ |
Operating Temperature -60ºC to 200ºC Mediums: wide range of mediums except for halides, molten alkali metals, and fluorocarbons. |
| Double Layer PTFE Coating Neoprene |
Operating Temperature -45ºC to 200ºC Mediums: wide range of mediums except for halides, molten alkali metals, and fluorocarbons. |
| FEP Coating Viton |
Operating Temperature -20ºC to 180ºC Mediums: wide range of mediums except for halides, molten alkali metals, and fluorocarbons. |
| FEP Coating MVQ |
Operating Temperature -60ºC to 180ºC Mediums: wide range of mediums except for halides, molten alkali metals, and fluorocarbons. |
| PFA Coating Viton |
Operating Temperature -20ºC to 220ºC Mediums: wide range of mediums except for halides, molten alkali metals, and fluorocarbons. |
| PFA Coating Neoprene |
Operating Temperature -60ºC to 220ºC Mediums: wide range of mediums except for halides, molten alkali metals, and fluorocarbons. |
| Grafoil/Flexible Graphite |
Operating Temperature -200ºC to 1000ºC Features: normal chemical solvent resistant, petroleum product resistant, ester resistant, vapor resistant, and reductant resistant, in oxidizing mediums (temperature no more than 400ºC). |
| V Type PTFE Slastomer |
Operating Temperature -150ºC to 200ºC Mediums: wide range of mediums except for molten alkali metals and fluorine (under high pressure and temperature). |
| Metal Sealing Ring Type 1 | Operating Conditions: high temperature (no more than 400ºC) and high pressure conditions. |
| Metal Sealing Ring Type 2 | Operating Conditions: high temperature (no more than 400ºC) and high pressure conditions. |
