Page 249 - Engineering drawing from first principles using AutoCAD
P. 249
A B C D
I
1 1 1 1 NO. REQ'D S~ctE SIZE I
6 COLLEGE VALVE ASSEMBLY STD121
VALVE SEAT VALVE COVER VALVE BODY PART UNITS METRIC PROJECTION FIRST ANGLE NO.
4 3 2 1 PART NO. NORTHWICH NON-RETURN - DRAWING
I DRAWN BY 8.M. DATE 24.6.97.
I
4
77771
//
2
\
\
1;777777"/.,,1
A 8 CI I D
10.33
Figure
