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Piston seal Varitef KVspring-energizedmetalstainless steel
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Characteristics
- Type
- spring-energized
- Material
- metal, stainless steel, PTFE
- Application
- piston, for medical equipment, for valves, for water pumps
- Fluid
- for food
- Other characteristics
- dynamic, single-acting, high-temperature, with spring
- Temperature limit
Min.: -150 °C
(-238 °F)Max.: 225 °C
(437 °F)- Pressure limit
Min.: 0 MPa
Max.: 35 MPa
- Speed
Min.: 0 m/s
(0 ft/s)Max.: 20 m/s
(65.6 ft/s)
Description
Product overview
Varitef is an active single-acting piston sealing element consisting of a PTFE sealing element and a stainless steel preload spring. It provides an extended temperature range and is sterilizable depending on the variant.
Variants
Applications
Main use
valves, pumps, dosing systems, food and medical technology
Materials
metal housing, PTFE or filled PTFE sealing; stainless steel preload spring
Technical values
Technical specifications
Varitef is an active single-acting piston sealing element consisting of a PTFE sealing element and a stainless steel preload spring. It provides an extended temperature range and is sterilizable depending on the variant.
Variants
- Varitef KV: Active single-acting sealing element, PTFE sealing, stainless steel spring preload, extended temperature and media resistance.
- Varitef KH: Active single-acting sealing element, PTFE sealing, stainless steel spiral spring preload, high temperature and media resistance, sterilizable.
Applications
- Static
- Dynamic
- Single acting
- Linear motion
- Oscillating motion
Main use
valves, pumps, dosing systems, food and medical technology
Materials
metal housing, PTFE or filled PTFE sealing; stainless steel preload spring
Technical values
- Pressure: up to 35 MPa
- Temperature: -150°C to +225°C (material dependent)
- Surface speed: up to 20 m/s
Technical specifications
- Type: active single-acting piston seal
- Sealing material: PTFE (optionally filled PTFE)
- Preload element: stainless steel spring or stainless steel spiral spring (variant dependent)
- Pressure rating: up to 35 MPa
- Temperature range: -150°C to +225°C (material dependent)
- Surface speed capability: up to 20 m/s
- Typical applications: valves, pumps, dosing systems, food and medical technology
- Sterilizability: suitable for sterilization (variant dependent)
Catalogs
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Dynamic Seals
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.