DMN BL200 - Construction; Type Designation

DMN-WESTINGHOUSE Explosion-Proof Rotary Valves
Code: RV-Ex.pro-E.B.01.D 05-2016
11
2.2. Type designation
Example Rotary valve
Type
Size
Material of
construction
Execution
AL
150
2
MZC
Type
AL
Size
150
AML
175
BL
200
ML
250
MLD
300
350
400
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
Execution
-
Standard
D
Easy detachable
MZC
Easy detachable with extraction mechanism
DAI
Dairy
DMZC
Dairy with extraction mechanism
2.3. Intended use
The Rotary valves are designed for the metering and pneumatic transport of products in
powder or granular form in a potentially explosive atmosphere.
The rotary valve can be mounted under/above a silo, mill, sifter, etc.
The rotary valve is flameproof in conveying direction.
Depending on Type and execution the Rotary valve can be used for pressure
differentials up to 2 Bar and product temperture up to 150°C.
The technical specifications, General assembly and parts list of the Rotary valve are
in a separate Operation and maintenance instructions. (see appendix)