double faced seals new seal new way air bearings

Face Seal NS-DF-4

NS-DF-4 serves as the third largest of the face seal standard line, with the ability to also function as a thrust bearing. Through the use of our Externally Pressurized Porous Media, these robust seals offer a non-contact, leak-free solution without the hassle of routine maintenance. Adaptive hardware is available making New-Seal™ face seals easy to retrofit into existing equipment. Contact us today to start improving your sealing applications!
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Units: US METRIC
Title Specifications
Model # NS-DF-4NS-DF-4
Min. Shaft Size 2.99 in.76 mm
Max. Shaft Size 4.02 in.102 mm
Outside Diameter 7.01 in.178 mm
Axial Height 1.93 in.49 mm
Radial Runout 0.13 in.3 mm
Cavity Pressure 45 psi3 bar
Max. Angular Misalignment 2.5°2.5°
Porous Media Material Carbon GraphiteCarbon Graphite
Housing Material 316 Stainless Steel, FDA Compliant Materials Available316 Stainless Steel, FDA Compliant Materials Available
O-ring Materials Fluoroelastomer Fluoroelastomer

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