OPERATION AND MAINTENANCE MANUAL
01-2016
3
1 TECHNICAL DESCRIPTION
1.1 PRODUCT NAME AND FEATURES
The subject of this O&MM are:
The double flange bend with the N foot of type 9202, intended for piping systems and used as an element to
divert the direction of the medium flow from vertical to horizontal or the other way around.
The flange T-piece of type 9203, intended for piping systems and used as an element to divert the direction
of the medium flow from vertical to horizontal or the other way around.
The flange X-piece of type 9218 TT, intended for piping systems and used as an element to divert the
direction of the medium flow from vertical to horizontal or the other way around.
1.2 INTENDED USE
The bend of type 9202, T-pieces of type 9203 and X-pieces of type 9218 TT are intended for mounting
installations of any pipes terminated with flange connections.
They can be operated both in underground and overground installations as installed in vertical or horizontal
pipelines.
1.3 TECHNICAL SPECIFICATION
The bend of type 9202, T-pieces of type 9203, X-piece of type 9218 TT are used for transporting potable
and industrial water and other liquids (to be determined with the manufacturer)
- temperature from -10
o
C to +70
o
C.
- scope of applied diameters of line pipes according to the table with dimensions
for each type
- maximum medium flow rate:- liquid: max. 4 [m/s]
- gas: max. 30 [m/s]
connections of bends and T-pieces are prepared for mounting flange pipes as big as required by the adopted
nominal pressure according to PN-EN 1092-2: 1999.
2 DESIGN
2.1 FITTING DESIGN DESCRIPTION
"JAFAR" S.A. Fitting Factory provides bends of type 9202, T-pieces of type 9203 and X-pieces of type
9218 TT. A bend is an iron casting supported by a foot with a flange, which allows connecting a supply pipe via
a flange end on both sides. Bodies of T-pieces are T-shaped iron castings. Branch-offs are terminated with
flanges, which allow connecting a supply pipe via a flange end, used for diverting the direction from vertical to
horizontal and vice versa.
Note:
Bends of type 9202, T-pieces of type 9203 and X-pieces of type 9218 TT are typical couplers.