Precision Associates Incorporated Datasheets for Hydraulic Seals and Pneumatic Seals

Hydraulic seals and pneumatic seals include piston seals, rod seals, U-cups, vee, cup, and flange packings.
Hydraulic Seals and Pneumatic Seals: Learn more

Product Name Notes
AN U-Cup Seals PAI AN U-Cups are made to the dimensions of Military Drawing AN 6226. Precision Associates’ Homogeneous Rubber U-Cups are the seal of choice for Pneumatic and low-pressure Hydraulic applications. Because...
Rubber V-Rings PAI Homogeneous Rubber V-Rings are made to the dimensions of Military Drawing AN 6225. Sizes exactly matching the drawing are noted with prefix number 6225 and suffix numbers of –1...
Bi-Directional Pneumatic Piston Seals -- 8-Ring™ Precision Associate’s 8-Rings™ are used almost exclusively as piston seals in pneumatic applications requiring a low profile and long wear. Unlike O-Rings, 8-Rings will not roll or twist. 8-Seal’s unique...
Straight Lip U-Cup Seals
U-Cup Rubber Seals
Precision Associates’ Homogeneous Rubber U-Cups are the seal of choice for Pneumatic and low-pressure Hydraulic applications. Because U-Cups do not rely on initial compression to seal, they are excellent in...