Static Seal Design
STATIC SEALS are divided into two primary
categories: Radial Static type and Face or Flange type.
RADIAL SEALS require the presence of a diametral
clearance gap for installation. FACE OR FLANGE type seals have
no clearance gap, but consist of a groove cut into one flange
with a flat mating flange bolted together to give a surface to
There are two types of static radial designs:
- Male or Plug - the O-Ring groove is located on a plug
which is inserted into the housing or cylinder (Fig.
- Female or Tube - The O-Ring groove is located in the
housing or cylinder and a tube is installed through the
O-Ring I.D. (Fig. 24).
MALE or PLUG SEAL design is based on the following
factors (refer to Fig. 20).
Bore Diameter (a)
Plug Dimension (h)