Flowserve VKP 40Ex - Manual (Page 21)

The reference point of thermostatic bimetallic and membrane steam traps is located on the cover between the cover and the cover
flange or at the side of the cover.
Reference points for measurement
– continued –
Checking Steam Traps
– continued –
Example: Bimetallic steam trap type BK 45
Example: Membrane steam trap type MK 45
Example: Bimetallic steam trap type BK 15
The reference point of float traps is located on the highest point on the cover or at the side of the cover.
Example: Float trap type UNA 2
Example: Float trap type UNA 1