Flowserve Vogt Forged Steel Gate - Manual (Page 10)

Flow Control
Vogt Valves
10 Forged Steel Gate, Globe and Check Valves FCD VVENIM2000-02
1.2 Bonnet Replacement
Assemblies
Series 21000 – Vogt Valve Replacement Bonnet Subassemblies
Some valve end-users find it more expedient to replace the bonnet
subassembly, complete with new packing, when repacking small-
bore valves. To support this maintenance philosophy, Vogt valve
users may purchaseA105 bonnet subassemblies for replacement on
their Vogt valves by specifying the Series Number noted below. The
removed bonnet assemblies, if not damaged and still serviceable,
can be repacked in a valve repair shop environment and be used
during a later valve repacking cycle.
• Repacking made easy
• Promotes quick change
• Completely packed and ready to install
• Supports valve repacking in valve shop environment
• High degree of standardization permits retrofitting of popular Vogt
Class 150, 300,600, and 800, 13 Cr. trimmed, bolted bonnet valves.
The Replacement Bonnet Assembly Package can be easily installed
on most existing in-line Compact Design Gate Valves in Classes
150,300, 600, and 800, of A105 bolted bonnet design with 13 Cr.
trim. Specify the desired replacement Bonnet Assembly Package
for the valve size and series you intend to repack by replacing the
bonnet subassembly.
Figure 1 – Series 21000 – A105/13 CR Trim (Gasket Included)
Order by this number
Valve Size Valve Series No.
Retrofit Bonnet Assembly
Package Series No.
Handwheel Diameter
E
1/2, 3/4 353, 363, 373,12111, SW12111,12161, SW12161 21000 04 4.00
1 353, 363, 373,12111, SW12111,12161, SW12161 21000 06 4.75
11/4, 11/2 353, 363, 373,12111, SW12111,12161, SW12161 21000 08 5.75
2 353, 363, 373,12111, SW12111, 12161, SW12161 21000 09 7.00
Consult Flowserve for Vogt’s installation procedure covering instructions for proper field replacement of the series 21000 replacement bonnet subassemblies.
E Jamb Nut
Handwheel
Yoke Nut
Bearing Ring
Packing Gland
Stem
Yoke
Gasket
Gland Bolting
Packing
Bonnet