Azbil Corporation General
VDC, VAC, VST, VAA - Diaphragm Control Valve 1-5
Figure 1-4 Model: VST Top guiding Single Seated Control Valve (Rating: ANSI 600 lb. or Less)
Item no. Parts Item no. Parts
1 Valve stem 15 V packing spring
2 Stud bolt 16 Blind plug
3 Nut 17 Packing ring
4 Packing ange 18 Stud bolt
5 Yoke nut 19 Nut
6 Bonnet 20 Valve plug
7 Pin 21 Seat ring
8 Guide bushing 22 Valve body
9 Gasket 23 Drain plug
10 Guide ring 24 Lubricator
11 Packing follower 25 Lantern ring
12 V packing holder 26 Packing
13 V PTFE packing 27 Guide
14 V packing retainer