12
7.2.3
Interface between valve and pipe flanges
Correct fitting except T6 bodies
Metallic intermediate insertion flange
no rubber coated flange
T5 type body
T6 type body
no direct contact
with the
expansion joint
no gasket
In case of coated pipe (hard rubber, concrete or Teflon for
example), coating hardness and flanges detailed dimensions
shall be given to KSB for acceptance.
In case of fitting between polyethylene flanges:
-- Authorized fitting between flanges with flat faces
-- Not authorized fitting between flanges with grooved faces
7.3
Handling
Handling means may be necessary to install large sizes valves.
They must be used as shown.
VALVE WITH MOTORIZATION
CORRECT
FORBIDDEN
VALVE WITH COUNTERWEIGHT
CORRECT
FORBIDDEN
VALVE WITH NECK EXTENSION
CORRECT
FORBIDDEN
CORRECT
FORBIDDEN
HORIZONTAL VALVE
Neck extension and body supports may have been
delivered separately from the valve. They must be
mounted onto the valve before fitting it between flanges
