Characteristics:
Bolted bonnet, Two-piece Body, Floating Ball,Full or Reduced bore, Blowout Proof Stem, Fire safe and Anti static.
Main Performance Parameter:
|
Nominal Diameter ( inch )
|
Nominal Pressure (Lb)
|
Test Pressure
|
Suitable Medium
|
Suitable Temperature
|
|
Strength Test
|
Seal Test
|
|
2''~8‘’
|
150
|
225
|
165
|
water, steam, oil, nitric acid, acerbity and other corrosive medium
|
-29℃~425℃
|
|
300
|
450
|
330
|
Material of Main Patrs:
|
Name
|
Material
|
|
Handle
|
Carbon steel
|
|
Lock nut
|
Carbon steel
|
|
Gland nut
|
Carbon steel
|
|
Thrust washer
|
PTFE/NYLON
|
|
Gland bush
|
Stainless steel
|
|
Stem
|
Stainless steel
|
|
Stud and nut
|
A193 Gr B7/A194 Gr 2H
|
|
Packing
|
Graphite/ptfe
|
|
Ball seat
|
PTFE/RPTFE/NYLON
|
|
Gasket
|
Grafoil/spiral wound
|
| Ball |
A182 F6a |
| R-body |
A216 Gr WCB |
| L-body |
A216 Gr WCB |
Dimension Table of Installation:
| Class 150 |
|
Size
|
inch
|
1-2
|
3-4
|
1
|
|
L-RF
|
mm
|
108
|
117
|
127
|
|
L1-BW
|
mm
|
140
|
152
|
165
|
|
L2-RTJ
|
mm
|
-
|
-
|
140
|
|
B
|
mm
|
13
|
19
|
25
|
|
H
|
mm
|
65
|
70
|
80
|
|
K
|
mm
|
150
|
155
|
160 |
| Class 300 |
|
Size
|
inch
|
1-2
|
3-4
|
1
|
|
L-RF
|
mm
|
140
|
152
|
165
|
|
L1-BW
|
mm
|
140
|
152
|
165
|
|
L2-RTJ
|
mm
|
151
|
165
|
178
|
|
B
|
mm
|
13
|
19
|
25
|
|
H
|
mm
|
70
|
85
|
90
|
|
K
|
mm
|
155
|
160
|
180
|
