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Nara Engineering & Controls Inc.
[Korea]
Address:
503-1 2cha, Hanshin IT tower, 60-18 Kasan-dong, Gumcheon-gu, Seoul 153-801 Korea
Phone:
82-2-26190277
Contact name:
Jin-hee Yoo
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Nara Engineering & Controls Inc.
 
Product

Service Valve
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Service Valve
Click to enlarge image

 Model Number K-TYPE (2-WAY)

  • One set of service valve is installed at discharge side of condenser and suction of compressor which are seated in copper tube piping of air conditioner.
  • The service valve is composed of front seat, back seat and service port and can make it easier to attach pressure gauge, to charge gas for leaking test, to charge cold materials(Freon) and to do air purge.

Specifications

MODEL NO. CONNECTION TUBE (inch) ORIFICE (mm) DIMENSION (mm)
A B C D E HEX G H K
SK2-410A 6.35 (1/4) 5 7/16-20 UNF 34.5 13 26 38 4 40 -
SK2-410B 2.75 5 7/16-20 UNF 34.5 13 26 38 4 40 50
SK2-8383 9.52 (3/8) 7 5/8-18 UNF 40 15 26 38 4 35 -

Specifications

MODEL NO. CONNECTION HOLE (inch) ORIFICE (mm) DIMENSION (mm)
A B C D E HEX G H K
SK2-4100 6.35 (1/4) 5 7/16-20 UNF 34.5 13 26 38 4 15 9.5
SK2-8300 9.52 (3/8) 7 5/8-18 UNF 40 15 26 38 4 15 13.5

⊙ K-TYPE (3-WAY)

MODEL NO. CONNECTION TUBE (inch) ORIFICE (mm) DIMENSION (mm)
A B C D E FF HEX G H
SK3-4141 6.35 (1/4) 7 7/16-20 UNF 40 15 54.5 38 7.2 4 35
SK3-4183 9.52 (3/8) 7 7/16-20 UNF
SK3-8383 9.52 (3/8) 7 5/8-18 UNF
SK3-2121 12.70 (1/2) 10 3/4-16 UNF 43 16 60
SK3-8585 15.88 (5/8) 12.5 7/8-14 UNF 58 20 70 40
SK3-4343 19.05 (3/4) 16 11/16-14 UNF 65 24 85 50 6

⊙ A-TYPE

MODEL NO. CONNECTION TUBE (inch) ORIFICE (mm) DIMENSION (mm)
A B C D E FF G H
SA3-8383 F9.52 (3/8) F8 5/8-18 UNF 72 17 62 38 7.2 6.4 35
SA3-2121 F12.7 (1/2) F11 3/4-16 UNF 82 20 67
SA3-8585 F15.88 (5/8) F12.5 7/8-14 UNF 82 20 67 40
SA3-4343 F19.05 (3/4) F16 11/16-14 UNF 102 24 80 50 7.8

⊙ M-TYPE

MODEL NO. CONNECTION TUBE (inch) ORIFICE (mm) DIMENSION (mm)
B C D E FF G H
SM3-8383 F9.52 (3/8) F8 72 17 79 38 7.2 6.4 35
SM3-2121 F12.7 (1/2) F11 82 20 82
SM3-8585 F15.88 (5/8) F12.5 40
SM3-8787 F22.22 (7/8) F20 116 28 110 60 7.8 50
SM3-1010 F25.4 (1) F23

Rotalock Valves

⊙ F-TYPE / B-TYPE

MODEL(F-TYPE) COPPER TUBE (inch) GAGE PORT BODY SIZE DIMENSION (mm)
A B C D E    
JRV-008F 1/4 7/16-20 UNF 19 HEX 94 38.9 30.2 25.4 25.4    
JRV-010F 3/8 28.6    
JRV-015F 1/2 22 SQ 105 43.7 33.3 32.5 27    
JRV-019F 5/8 111 50 39.7 38.9    
MODEL(B-TYPE) COPPER TUBE (inch) GAGE PORT BODY SIZE A B C D E F G
JRV-008S 1/4 7/16-20 UNF 19 HEX 91 35.7 27 23.8 25.4 7.9 -
JRV-010S 3/8 34.9 26.2
JRV-015S 1/2 22 SQ 102 41.3 31 26.2 27 9.5 13.5
JRV-019S 5/8 109 47.6 37.3 27.8 12.7 15.1
JRV-024S 7/8 29 SQ 137 59.5 42.9 39.7 30.2 15.9 15.9
JRV-030S 1-1/8 143 65.9 49.2 46 25.4 25.4
JRV-032S 1-1/8 35 SQ 176 77.8 56.4 49.2 33.3 22.2
JRV-035S 1-3/8 183 84.1 62.7 55.6 25.4

Related Keywords: Service Valve , Valve


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