Refrigerant working fluid

R22

R134a

R407C

R404A/R507

Liquid temperature

24℃

38℃

52℃

24℃

38℃

52℃

24℃

38℃

52℃

24℃

38℃

52℃

Blue (dry)

<30

<45

<60

<30

<45

<60

<30

<40

<75

<20

<25

<35

Light Blue (Warning)

30~120

45~180

60~240

30~100

45~160

60~220

30~140

40~180

75~250

20~70

25~85

35~125

Pink (wet) Pink (moisture)

>120

>180

>240

>100

>160

>220

>140

>180

>250

>70

>85

>125

Model

Model

interface dimensions

Connecting size

A

mm

B

mm

C

mm

D

mm

NSE-TT

1/4(6)

1/4(6)

five

one hundred and two

thirty-nine

3/8(10)

3/8(10)

eight

one hundred and two

thirty-nine

1/2(12)

1/2(12)

eight

one hundred and two

thirty-nine

5/8(16)

5/8(16)

twelve

one hundred and twenty-seven

thirty-eight

3/4(19)

3/4(19)

nineteen

one hundred and sixty

thirty-eight

7/8(22)

7/8(22)

twenty-one

one hundred and sixty

forty-nine

9/8(28)

9/8(28)

twenty-five

one hundred and sixty-four

forty-nine

NSE-MM

1/4(6)

7/16-20UNF

(M12*1.25)

--

seventy-six

thirty-nine

3/8(10)

5/8-18UNF

(M16*1.5)

--

seventy-six

thirty-nine

1/2(12)

3/4-16UNF

(M18*1.5)

--

eighty-four

thirty-six

5/8(16)

7/8-14UNF

(M22*1.5)

--

eighty-six

thirty-six

NSE-SS

1/4(6)

1/4(6)

--

sixty

thirty-nine

3/8(10)

3/8(10)

--

sixty

thirty-nine

1/2(12)

1/2(12)

--

sixty-seven

thirty-nine

5/8(16)

5/8(16)

--

sixty-seven

thirty-six

NSE-D

3/8

four point eight

--

--

thirty-five

5/8

eight

--

--

thirty-five

7/8

eleven point five

--

--

thirty-three

9/8

fourteen point five

--

--

thirty-two

11/8

seventeen point five

--

--

thirty-one

13/8

twenty point five

--

--

thirty-one

17/8

twenty-seven

--

--

thirty

21/8

thirty-three point five

--

--

thirty

three

thirty-eight

--

--

twenty-nine

25/8

forty

--

--

twenty-nine