DMN BL200 - Page 30

DMN-WESTINGHOUSE AL-BL Rotary Valves
Code: AL-E.B.01.B 11-2012
7
2. Rotary valves
2.1 Type designation
Example Rotary valve
Type
Size
Material of
construction
Execution
AL
150
2
HT250
Type
AL
Size
100
AXL
150
AML
175
BL
200
BXL
250
BXXL
300
OS
350
GOS
400
GL
450
500
Material of
construction
1
Cast Iron
2
Stainless steel
3N
Cast Iron-Complete Nickel plated
3C
Cast Iron-Internals Chrome plated
4C
Cast Iron-Bore Chrome plated
4TCO
Cast Iron-Tungsten coated
4TS
Cast Iron-Tungsten coated
5
Aluminium
Execution
-
Standard
Ball bearing
HT250
High temperature 250°C
Spherical roller bearing
HT400
High temperature 400°C
Ball bearing-High temperature
HT600
High temperature 600°C
Ball bearing-High temperature