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Freudenberg gaskets are field-proven for the highest temperatures and chemical resistance in applications for pumps and fittings, such as those used in the process industry. They are used in many different applications. The gaskets provide an excellent sealing effect with consistent elasticity. They are firmly pressed into the installation space and remain elastic even when temperature and pressure levels are constantly changing. Added to these features are high extrusion resistance and dry-run capability. Freudenberg also offers special gaskets for the challenging applications and chemical industry. Suitable for use in concentrated acids and alkalis, solvents or at very high temperatures.
Freudenberg biedt de ideale pakking voor elk soort statische en dynamische toepassing. Daarom hebben wij een groot assortiment aan verschillende pakkingen van verschillende materialen en uitvoeringen om aan alle eisen in de industrie te voldoen. Pakking-6216 bestaat bijvoorbeeld uit twee zeer geavanceerde garenmaterialen. De slijtvaste aramidegarens voorkomen extrusie en beschermen tegen schuren zoals organische oplosmiddelen, koolwaterstoffen en middelmatig geconcentreerde zuren. Met deze pakkingen kunnen snellopende assen perfect worden afgedicht. Ze hebben ook uitstekende slip-eigenschappen, lage wrijving en zijn extreem slijtvast, waardoor ze perfect zijn voor hoge drukniveaus in centrifugaal- of plunjerpompen.
Short Term |
Properties |
Medium Resistance |
Application |
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| Color | Temperature Range [°C] | Temperature Range [°F] | Max. Pressure Static [bar] | Max. Pressure Rotating [bar] | Max. Pressure Suction [bar] | Max. Speed Rotating [m/s] | Max. Speed Suction [m/s] | Cold Water | Hot Water | Steam | Seawater | Chemicals | Gas | Acids | Centrifugal pumps | Rotary pumps | Plunger pumps | Agitators | Mixers | Fittings | Screw shaft | |
Freudenberg Sealing Technologies Stuffing Box Packing |
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| Merkel® Aquastar Light 4315 |
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? tot 100 | 16 | 16 | 6 | ✔ | ✔ | ✔ | ✔ | ✔ | ||||||||||||
| Merkel® Ramiflex 4510 |
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? tot 120 | 16 | 100 | 10 | 1 | ✔ | ✔ | ✔ | |||||||||||||
| Merkel® Ramilon 4586 | ? | -40 tot 120 | 40 | 100 | 13 | 2 | ✔ | ✔ | ✔ | |||||||||||||
| Merkel® Arostat 6204 |
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-40 tot 250 | 200 | 2 | ✔ | ✔ | ✔ | |||||||||||||||
| Merkel® Arolan 6210 | ? | -50 tot 280 | 25 | 200 | 26 | 2 | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ||||||||||
| Merkel® Arochem II 6211 |
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-50 tot 280 | 500 | 2 | ✔ | ✔ | ||||||||||||||||
| Merkel® Arochem 6212 |
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-50 tot 280 | 500 | 2 | ✔ | ✔ | ✔ | ✔ | ||||||||||||||
| Merkel® Arolan II 6215 |
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-50 tot 280 | 25 | 100 | 26 | 2.5 | ✔ | ✔ | ||||||||||||||
| Merkel® Arochem S 6216 |
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-50 tot 280 | 25 | 250 | 25 | 2 | ✔ | ✔ | ✔ | |||||||||||||
| Merkel® Varilon SG 6224 |
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-50 tot 280 | 25 | 20 | ✔ | ✔ | ✔ | ✔ | ||||||||||||||
| Merkel® Aroflex 6226 |
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-10 tot 150 | 16 | 10 | ✔ | ✔ | ||||||||||||||||
| Merkel® Flexalon 6250 |
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-50 tot 250 | 25 | 25 | ✔ | ✔ | ||||||||||||||||
| Merkel® Unistat 6303 |
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-200 tot 280 | 250 | 800 | 2 | ✔ | ✔ | ✔ | ✔ | |||||||||||||
| Merkel® Unichem 6313 |
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-100 tot 250 | 15 | - | 8 | ✔ | ✔ | ✔ | ||||||||||||||
| Merkel® Unival 6323 |
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-100 tot 280 | 25 | 250 | 20 | 2 | ✔ | ✔ | ✔ | |||||||||||||
| Merkel® Unival II 6326 |
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-100 tot 280 | 25 | 250 | 15 | ✔ | ✔ | ✔ | ✔ | ✔ | ||||||||||||
| Merkel® Alchem 6375 |
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-200 tot 280 | 250 | 500 | 2 | ✔ | ✔ | ✔ | ||||||||||||||
| Merkel® Alchem ST 6377 |
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-200 tot 280 | 250 | ✔ | ✔ | ✔ | ||||||||||||||||
| Merkel® Carbosteam® 6550 |
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-30 tot 550 | 300 | 1 | ✔ | ✔ | ✔ | |||||||||||||||
| Merkel® Carbosteam® S 6555 |
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-30 tot 550 | 300 | ✔ | ✔ | ✔ | ✔ | |||||||||||||||
| Merkel® G-Spezial 6560 |
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-200 tot 650 | 450 | ✔ | ✔ | ✔ | ✔ | |||||||||||||||
| Merkel® G-Spezial S 6565 |
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-200 tot 650 | 25 | 250 | 25 | 2 | ✔ | ✔ | ✔ | ✔ | ||||||||||||
| Merkel® Grafolan HT 6570 |
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? tot 600 | 300 | ✔ | ✔ | |||||||||||||||||
| Merkel® Grafolan 6575 |
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? tot 300 | 320 | 300 | 25 | ✔ | ✔ | ✔ | ✔ | ✔ | ||||||||||||
| Merkel® Carboflex 6587 |
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-50 tot 300 | 25 | ✔ | ✔ | ✔ | ||||||||||||||||
| Merkel® Uniflex 6588 |
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-50 tot 280 | 25 | 25 | ✔ | ✔ | ✔ | |||||||||||||||
| Merkel® Kombilon 6742 |
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-100 tot 280 | 25 | 20 | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ||||||||||||
| Merkel® Univerdit 7000 |
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30 tot 250 | 250 | 160 | 6 | 2 | ✔ | ✔ | ✔ | |||||||||||||
Gaskets are used for reliable sealing of pumps and fittings. The impregnation ensures that the voids in the packaging fabric are closed, provides increased media resistance, optimized running properties and improved heat dissipation. This prevents leakage paths through the gasket. As with all Freudenberg products, they also offer the highest quality and long service life for gaskets.
Freudenberg offers a variety of gaskets made of different materials for the processing industry. The entire range of packaging, including product and material information sheets, ordering options, prices and availability can be found on our website.
View all our different Static Seals here.
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