Stainless Steel With Kalrez O-Ring These KF-16 centering ring vacuum fittings are supplied with chemical resistant Kalrez 6375 O-ring material and are designed for use with standards ISO-KF 16 (NW-16) vacuum fittings. The O-ring material, Kalrez 6375, is well known for its excellent chemical resistance when handling amines, acids, bases, and other aggressive chemicals while also having excellent resistance to heat (525°F/275°C) and steam. Kalrez 6375 Perfluoroelastomer (FFKM) is considered to have the widest possible operating range of chemicals and operational temperatures applicable for a variety of applications which makes it a popular choice for use in high-technology vacuum areas.

Stainless Steel With Kalrez O-Ring These KF-25 centering ring vacuum fittings are supplied with chemical resistant Kalrez 6375 O-ring material and are designed for use with standards ISO-KF 25 (NW-25) vacuum fittings. The O-ring material, Kalrez 6375, is a Perfluoroelastomer (FFKM) well known for its excellent chemical resistance when handling amines, acids, bases, and other aggressive chemicals while also having excellent resistance to heat (525°F/275°C) and steam. Kalrez 6375 is considered to have the widest possible operating range of chemicals and operational temperatures applicable for a variety of applications which makes it a popular choice for use in high-technology vacuum areas.

Stainless Steel With Kalrez O-Ring These KF-40 centering ring vacuum fittings are supplied with chemical resistant Kalrez 6375 O-ring material and are designed for use with standards ISO-KF 40 (NW-40) vacuum fittings. The O-ring material, Kalrez 6375, is a Perfluoroelastomer (FFKM) well known for its excellent chemical resistance when handling amines, acids, bases, and other aggressive chemicals while also having excellent resistance to heat (525°F/275°C) and steam. Kalrez 6375 is considered to have the widest possible operating range of chemicals and operational temperatures applicable for a variety of applications which makes it a popular choice for use in high-technology vacuum areas.

Stainless Steel With Kalrez O-Ring These KF-50 centering ring vacuum fittings are supplied with chemical resistant Kalrez 6375 O-ring material and are designed for use with standards ISO-KF 50 (NW-50) vacuum fittings. The O-ring material, Kalrez 6375, is a Perfluoroelastomer (FFKM) well known for its excellent chemical resistance when handling amines, acids, bases, and other aggressive chemicals while also having excellent resistance to heat (525°F/275°C) and steam. Kalrez 6375 is considered to have the widest possible operating range of chemicals and operational temperatures applicable for a variety of applications which makes it a popular choice for use in high-technology vacuum areas.