Model 380 Control Valve
(8 Inch Only)
Dyna-Flo Control Valve Services Ltd.
Phone: 780
•
469
•
4000 Toll Free: 1
•
866
•
396
•
2356 Fax: 780
•
469
•
4035 Website: www.dyna
fl
o.com
P-388M0319A
1
Operation, Parts, and Instruction Manual
TABLE OF CONTENTS
Introduction
2
Assembly
8
General
2
Plug Seal Assembly
8
Scope
2
Trim Parts Assembly
9
Specifi cations
3
Bonnet Assembly
10
Unpacking
4
Packing Assembly
10
Installation
4
Bolting Material and Designations - Table 1
11
Air Piping
4
Body to Bonnet Stud Torque - Table 2
11
Periodic Inspection
5
Valve Stem Connection Details - Table 3
11
Maintenance
5
Seat Ring Cap Screw Torque - Table 4
11
Removing Actuator
5
Packing Nut Torque - Table 5
11
Needle Valve Setup - Figure 2
5
Packing Diagrams - Figure 8
12
Rigging Setup - Figure 3
6
Valve Cross Section - Figure 9
13
Actuator Mounting Nuts and Bolts - Figure 4
6
Seat Ring Seal Detail - Figure 10
14
Packing Maintenance
6
Model 381 Cage / Piston Ring Detail - Figure 11
14
Valve Disassembly
7
Parts List
15
Bonnet Removal
7
Model Builder
20
Trim Parts Removal
7
Packing Parts Removal
8
Body Gasket Removal
8
Figure 1
Model 380
Control Valve with DFC
Actuator
