| Customization: | Available |
|---|---|
| Manufacture Type: | Fabricated or Cast |
| Material: | Cast Steel, Stainless Steel |
|
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Flapper Sight Glass,double window Sight Glass Body A3 304 304L 316 316L FRP Lined Glass borosilicate glass, quartz glass
The installation size is small, the driving torque is small, the operation is simple and fast, and it also has good flow regulation function and closing sealing characteristics. In the field of large, medium, and low pressure use, it is the dominant form of mirror.
Main Dimension
Nominal Diameter |
Pg=2.5 kgf/cm2 |
||||||||||
DN |
External Dimension |
Glass |
External Dimension |
Glass |
|||||||
Inch |
mm |
H |
L |
Dia |
Thickness |
H |
L |
Dia |
Thickness |
||
1/2" |
15 |
200 |
181 |
65 |
10 |
200 |
189 |
65 |
10 |
||
3/4" |
20 |
200 |
181 |
65 |
10 |
200 |
189 |
65 |
10 |
||
1" |
25 |
200 |
181 |
65 |
10 |
200 |
189 |
65 |
10 |
||
1.1/4" |
32 |
260 |
226 |
95 |
15 |
260 |
234 |
95 |
15 |
||
1.1/2" |
40 |
260 |
226 |
95 |
15 |
260 |
234 |
95 |
15 |
||
2" |
50 |
320 |
266 |
140 |
20 |
320 |
278 |
140 |
20 |
||
2.1/2" |
65 |
320 |
266 |
140 |
20 |
320 |
278 |
140 |
20 |
||
3" |
80 |
360 |
300 |
165 |
20 |
360 |
308 |
165 |
20 |
||
4" |
100 |
360 |
300 |
165 |
20 |
360 |
308 |
165 |
20 |
||
5" |
125 |
440 |
356 |
165 |
20 |
440 |
350 |
165 |
20 |
||
6" |
150 |
440 |
356 |
165 |
20 |
440 |
350 |
165 |
20 |
||
Main Specifications:
Body |
A3 304 304L 316 316L FRP Lined |
Glass |
borosilicate glass, quartz glass |
Bolt & Nut |
20# 304 304L 316 316L |
Sealing Gasket |
NBR, PTFE, SS, Graphite |
Connection |
RF |
Flange Standard |
HG GB HGJ JB ANSI JIS DIN BS NF |
Manufacturing Standard |
HGJ501-502-86 |
Working Temperature |
CS: -30ºC~ +350ºC SS: -80ºC~+480ºC |
Temperature for Glass |
borosilicate glass:≤180ºC, quartz glass :1000ºC |
Pressure for Glass |
borosilicate glass piece:≤3.0MPa quartz glass Piece:≤10.0MPa borosilicate glass Tube:<1.0MPa quartz glass Tube:<1.6MPa |
Allowable sudden temperature change |
<60ºC |
Furnish |
CS: anticorrosive paint SS: chemical pickling or anticorrosive paint |
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