KALREZ® O-ring FFKM 75 Compound 6375

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You use this black FFKM O-ring as a seal for steam, oils, acids, bases and solvents in static and slow dynamic applications. This product is the best-sold Kalrez® O-ring because of its extensive applicability. You mainly find these seals in the petrochemical and chemical industries.

Application

Temperature resistance
The Kalrez® 6375 O-ring has an operating temperature range from -20°C to +275°C.

Maximum pressure
Compound 6375 has a Shore A hardness of 75. This makes it suitable for applications with a pressure of up to 80 bars. Note that you must also strictly adhere to the guidelines in the chart below. This chart shows the relationship between the hardness of your O-ring, the pressure in your application, the groove size and the seal clearance gap.

Are you going to use this seal in a slow, dynamic application with a pressure of 50 bars or higher? If so, we advise you to use back-up rings.

Chemical resistance
This rubber material offers good chemical resistance across a very broad spectrum. So it is ideal for applications involving high temperatures (e.g. steam) and strong chemicals, such as amines and solvents.

Recommended in: Chemical

Stock item

Product

Material

Colour

Hardness

Compound

Temperature range (°C)

Internal diameter (mm)

Cross section (mm)

Size according to AS568-BS1806-ISO3601

Size according to French R

Size according to BS4518

Size according to JIS

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KALREZ® O-ring FFKM 75 6375 JIS- S-4 3.5x1.5mm ERIKS Item #: 11475415 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 jis- s-4 3.5x1.5mm", "item_id": "gr0000001317544", "material_number": "11475415", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "1", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 AS568-BS1806-ISO3601-105 3.63x2.62mm ERIKS Item #: 11098053 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 as568-bs1806-iso3601-105 3.63x2.62mm", "item_id": "gr0000000184652", "material_number": "11098053", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "2", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 AS568-BS1806-ISO3601-007 3.68x1.78mm ERIKS Item #: 11095523 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 as568-bs1806-iso3601-007 3.68x1.78mm", "item_id": "gr0000000184941", "material_number": "11095523", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "3", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 AS568-BS1806-ISO3601-201 4.34x3.53mm ERIKS Item #: 11273338 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 as568-bs1806-iso3601-201 4.34x3.53mm", "item_id": "gr0000000570151", "material_number": "11273338", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "4", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 AS568-BS1806-ISO3601-106 4.42x2.62mm ERIKS Item #: 11091643 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 as568-bs1806-iso3601-106 4.42x2.62mm", "item_id": "gr0000000184777", "material_number": "11091643", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "5", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 AS568-BS1806-ISO3601-008 4.47x1.78mm ERIKS Item #: 11095524 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 as568-bs1806-iso3601-008 4.47x1.78mm", "item_id": "gr0000000184778", "material_number": "11095524", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "6", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 AS568-BS1806-ISO3601-901 4.7x1.42mm ERIKS Item #: 11194876 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 as568-bs1806-iso3601-901 4.7x1.42mm", "item_id": "gr0000000570314", "material_number": "11194876", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "7", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 NF-R4 4.9x1.9mm ERIKS Item #: 11209137 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 nf-r4 4.9x1.9mm", "item_id": "gr0000000570260", "material_number": "11209137", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "8", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 5x1.5mm ERIKS Item #: 11398470 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 5x1.5mm", "item_id": "gr0000001317479", "material_number": "11398470", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "9", "quantity": "" } }
KALREZ® O-ring FFKM 75 6375 AS568-BS1806-ISO3601-107 5.23x2.62mm ERIKS Item #: 11098054 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "o-ring ffkm 75 6375 as568-bs1806-iso3601-107 5.23x2.62mm", "item_id": "gr0000000184653", "material_number": "11098054", "price": "0", "item_brand": "kalrez®", "item_category":"seals", "item_category2":"o-rings and accessories", "item_category3":"o-rings", "item_category4": "pr_ec010584_0005", "item_variant": "pce", "index": "10", "quantity": "" } }