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Time of issue:2019-05-03 00:00:00

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Sight glass

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Sight glass
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产品描述
Parameters

1. Product Characteristics

In the pipeline of petroleum, chemical, pharmaceutical, food and other industrial production devices, the mirror can observe the flow of liquid, gas, vapor, lubricant and other media in the pipeline at any time. It plays a role in monitoring production and avoiding accidents in the production process. It is an indispensable accessory to the pipeline device.

 

2. Product Model

Connection method code: see Table 4

Subject Material Code: See Table 3

Nominal Pressure: (MPa)

Structural type code: see Table 2

Specular type code: see Table 1

"SG" means welded mirror.

"SGZ" means casting mirror

Nominal path: (mm)

Type Pair clamp Single pressure type Thread Compression Type
Code name 1 2 3
Type Frame type clamping Frame type single pressure type Tube type
Code name 4 5 6

 

Code name Structural style Code name Structural style
1 Straight neck 5 Pendulum plate
2 Necking 6 Impeller
3 Neck deflection 7 Floating ball
4 No neck 8 Other

 

Code name
Texture of material 20 1Cr18Ni9Ti 0Cr18Ni9 00Cr19Ni10 0Cr17Ni12Mo2 00Cr17Ni14Mo2
(CS20) -321 -304 (304L) -316 (316L)

Note: Special class code D, and specify the material.

Sealing surface form Sudden surface Concave convex surface Tenon groove face Full plane Ring connection surface Taper pipe thread
Code name RF MFM TG FF RJ RCorPT

Note: Concave code is FM; convex code is M; bunker code is T; groove code is G. 3. Product Specification, Performance and Dimension

Clip-on mirror (see Fig. 1, Table 5, Table 6)

Main performance parameters
PN (MPa) ≤1.0 1.6、2.5
Working pressure (MPa) <0.6 1
Working temperature(℃) 0~200

Note: Allowable sudden change temperature < 180 C

Nominal diameter
DN
φW φd ~H L
PN≤1.6 PN 2.5
10 40 φ60 100 140 160
15 40 φ60 100 140 160
20 50 φ76 150 160 180
25 50 φ76 150 160 180
40 60 φ89 170 180 200

Single-pressure mirror (see Fig. 2, Table 5, Table 7)

Nominal diameter
DN
φW φd ~H L
0.6 1 1.6 2.5
15 40 48 156 140 140 140 160
20 50 57 225 160 160 160 180
25 50 57 225 160 160 160 180
40 80 89 288 180 180 180 200
50 80 89 288 220 220 220 250
65 100 108 312 250 250 250  
80 125 133 325 270 270    
100 125 133 380 320 320    
125 150 159 420 360      
150 205 219 480 420      

Screw-tightened mirror

(1) Thread-compacted neckless mirror (see Fig. 3, Table 5, Table 8)

DN L H
PN≤1.6 PN2.5
15(1/2”) 89 64 70
20(3/4”) 64 70
25(1”) 70 70

(2) Thread-compacted pendulum type viewing mirror (see Fig. 4, Table 9, Table 8)

Main performance parameters
PN (MPa) ≤1.0 1.6、2.5
Working pressure (MPa) 0.6 1
Working temperature(℃) 0~200

(3) Thread-compacted float mirror (see Fig. 5, Table 9, Table 10)

DN 10
(3/8)
15
(1/2)
20
(3/4)
25
(1)
32
(1  1/4)
40
(1  1/2)
50
(2)
φW 35 35 45 55 65 65 75
H 80 80 90 105 125 125 175
L 76 85 95 115 135 135 160

(4) Thread-compacted impeller type viewing mirror (see Fig. 6, Table 5, Table 11)

DN ≤1.0 1.6、2.5
15(1/2”) <0.6 1
20(3/4”) 0~200

Note: The allowable sudden change temperature is less than 180℃.

Frame-type clip-on mirror (see Fig. 7, Table 5, Table 12)

DN φW A H B L
PN≤1.0 PN 2.5
15 18 75 85 110 200 200
20 18 75 85 110 200 200
25 22 80 95 120 210 210
40 30 90 125 120 210 230

Frame type monocompressive mirror (see Fig. 8, Table 5, Table 13)

DN φW A H B L
PN≤1.0 PN 2.5
50 30 90 140 120 210 230
65 30 90 155 120 220 250
80 35 100 180 120 230 250
100 35 100 205 120 230 260

Tube-type mirrors (see figs. 9, 14, 15)

Main performance parameters
PN (MPa) 0.25
Working pressure(MPa) 0.1
Working temperature(℃) ≤80

 

DN Do A B L
15 32 80 70 220
20 45
25 58
40 74
50 89 80 240
65 110

 

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