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SG type Sight glass for refrigeration parts
SG type Sight glass for refrigeration parts
Supplier Info
[China Supplier]
Contact Person : Ms. Cao Sarah
Tel : 86-25-52398560-8004
Fax : 86-25-52398506
Product Detail
1, cooling capacity:100kw 2, flow pressure: 3.5Mpa 3, refrigerant: HCFC and HFC 4, deft design 5,competitive price

 Brief introduction

1,SGN/SGS type sight glass is used for liquid channel of refrigeration and air conditioning equipment .Used for showing the flow condition and water content of refrigerant, the oil flow condition in the oil returning channel of the oil separator.

2, SGN/SGS type sight glass has a moistindicator indicate the water content in refrigerant through changeing color.

3, SGR type sight glass is used for the refrigerant's liquid level of the liquid reservior and the oil's liquid level of the compressor crankcase.

4, SGN/SGR type sight glass all use modified PTFE sealing ,material, is suitable for various refrigerant and lubricant, with good sealability.

5, SGN/SGR type sight glass adopt anti-explosion crimping structure, the observation window is clear and safe.

6, SGS type sight glass adopt the traditional glass burn-back O-Ring sealing and independent sight glass structure.

Function and characteristics

SGN/SGS type:                                                                                                     SGR type:

1, Used for HCFC/HFC refrigerant.                                                                 1, CFC/HFC refrigerant

2, Showing exorbitant moisture content.                                                        2, Have liquid level in reservior

3, Without condensate depression indication for refrigerant liquid.         3, Liquid level in compressor crankcase

4 Showing the refrigerant charge not enough.                                              4, NPT screw connection

5,  Two connectors of welded junction and screw type.

The relationship between the moisture content and color

Moisture content (‰)

25°C

43°C

Green

Intermediate color

Yellow

Green

Intermediate

color

Yellow

R22/R502

<30

30-120

>120

<50

50-200

>200

HFC-134A

<30

30-100

>100

<45

45-170

>170

R404A

<20

20-70

>70

<25

20-100

>100

R407A

<30

30-140

>140

<60

60-225

>225

R507

<15

15-60

>60

<30

30-100

>110

 

Model selection

Welded junction

Standard

Screw type

Standard

SGN-1/40DF

SGN-1/40DF

1/4(6)

SGN-1/4SAE

SGN-1/4SAE

1/4(6)

SGN-3/80DF

SGN-3/80DF

3/8(10)

SGN-3/8SAE

SGN-3/8SAE

3/8(10)

SGN-1/20DF

SGN-1/20DF

1/2(12)

SGN-1/2SAE

SGN-1/2SAE

1/2(12)

SGN-5/80DF

SGN-5/80DF

5/8(16)

SGN-5/8SAE

SGN-5/8SAE

5/8(16)

SGN-3/40DF

SGN-3/40DF

3/4(19)

SGN-3/4SAE

SGN-3/4SAE

3/4(19)

SGN-7/80DF

SGN-7/80DF

7/8(22)

SGR-3/4NPT

3/4NPT

— —

— —

— —

SGR-G3/4

G3/4

 

Model

A

B

C

D

E

F

L

S

Screw

type

Weight

SGN

SGS

SGN/SGS-1/4

ODF

9.5

14.5

28

6.5

7

27

102

14

——

105

125

SAE

14

6

7/8-14UNF

145

145

SGN/SGS-3/8

ODF

10.1

8

36

119

——

110

155

SAE

12.5

16.5

17

70

19

7/8-14UNF

215

195

SGN/SGS-1/2

ODF

12.8

10

46

146

172

150

SAE

13

18

19

78

22

7/8-14UNF

240

210

SGN/SGS-5/8

ODF

16.1

14

46

152

190

220

SAE

15

20

31.5

20

78

24

7/8-14UNF

350

300

SGN/SGS-3/4

ODF

19.1

16

51

167

270

230

SAE

18

23

23

94

29

1-1/16-14UNF

545

440

SGN/SGS-7/8

ODF

16.5

21.5

22.3

17

54

173

27

315

290

SGR-3/4NPT

NPT

10.5

13

32

3/4NPT

70

SGR-G3/4

G

G3/4

70

SG type Sight glass for refrigeration parts

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