2-5
Installation
Saddle Type Seals
FIGURE 2-4. Saddle Type Seal.
Lower Housing Installation The lower housing is welded directly into the process pipe. The upper
housing must be removed from the system when welding the lower
housing into the process pipe. Allow the pipe connection to cool before
installing the seal upper housing.
Upper Housing Installation The torque specifications for the saddle seal upper housings are
360 in-lbs (40 N-m) with carbon steel bolts or 180 in-lbs (20 N-m) with
stainless steel bolts. As it is necessary for the customer to torque the
upper housing bolts during installation, each saddle seal includes a
torque label with the specified torque.
Gasket Installation The saddle comes standard with a sealing gasket. When connecting the
upper and lower housings make sure the gasket is aligned properly on
the gasket sealing surface.
In-line Flow-Through Seals
FIGURE 2-5. In-line Flow Through Seal
with Threaded Connection.
Handling Care should be taken to ensure the seal diaphragm is not dented or
damaged during seal installation. The diaphragm seal protective covers
should remain on the seal until just prior to installation.
Connection Styles The in-line flow-through seal is attached to the process piping by either
flange, clamp or male threaded connections.
Flanged Type Connection The flanged process connection sandwiches the flow-through seal
between two process flanges, either direct welded to the seal or supplied
loosely. The bolts should be torqued to the specifications outlined by
ANSI B16.5 or applicable flange torque requirements. Required torque
is a function of the gasket material and surface treatment of the bolts
and nuts, which are customer supplied.
Clamp Type Connection The clamp connection provides a sanitary fitting that attaches the flow-
through seal to the process piping by two sanitary Tri-Clamp clamps.
Threaded Type Connection The male threaded process connection allows the in-line seal to be
threaded into the female process piping according to DIN 11851, SMS,
IDF, or RJT standards.
Customer Weld
Lower
Housing
Diaphragm
Upper
Housing
Customer Pipe
Process Side
Capillary Connection
Threaded Type
Process
Connection
Diaphragm
1199-9004A03A
1199-0000C12B
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