valve drawing flange to flange measurment

Good evening ,
I am using a masoneilan valve,when I used the drawing of the valve to find the flange to flange measure I see two values as shown in the drawing.195.6 and 192.4,can you please tell me what is the real flange to flange measure of this valve 195.6 or 192.4

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It's hard to determine by just looking at the attached drawing especially that it is blurred and don't know the model of the valve. Why not try measuring it physically? Is there an issue doing this?
 
Hi ,it is masoneilan 33-36424 ,i work 4 weeks on,4 weeks off,i am now in the 4 weeks off,i have lot off masoneilan to find the flange to flange measure.i dont understand why they put two different values.
 
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