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NAC – SP-V TYPE Quick Couplings

Made in Japan
Manufacturer : NAGAHORI INDUSTRY CO., LTD.
Model : 01V, 02V, 03V, 04V
Medium pressure, Twin valve Vacuum Type
    • Both socket and plug have automatic shut-off valves for wide range of vacuum applications down to 1.3 x 10-1Pa.
    • Interchangeable with SP types but restricts flow.
  • When disconnecting, both socket and plug are sealed by automatic shut off valves instantly.
  • When connecting, automatic shut off valves are open and the socket is sealed by O-ring.
  • Fluid can flow from both socket and plug.
  • Packing material should be selected for the applicable fluid; please consult us for suitable packing material.
  • When connecting to a female thread or a hose, please use a nipple.
  • Different sizes are not interchangeable.

Caution:

  • Do not connect or disconnect couplings under pressure.
  • Don’t apply pressure on a socket or a plug when disconnecting. This may cause the valve blown out.
  • Don’t hit the top of valve with hammer or other tools. This may cause leakage or malfunction.
  • Don’t use for water-glycol fluid, which damages to the plating and O-ring.
  • When mounting on the male thread, excessive tightening may cause the crack of the coupling.
  • Scraps of the seal tape and dust causes fluid leakage. Be careful not to stick them on the couplings.
  • Putting dust covers on a socket and a plug is recommendable, when they are disconnected.

Specification

Model
01V
02V
03V
04V
Nominal Size
1/8″
1/4″
3/8″
1/2″
Nominal pipe size (mm)
6
8
10
15
Body material
Brass, Stainless steel (SUS304)
Connection
Female thread (F) only
Packing material
Standard
Chloroprene Rubber (CR)
Option
Fluororubber (FKM)
Nitrile rubber hydride(H-NBR)
Normal pressure
Brass
5.0MPa
3.0MPa
Max.pressure
7.5MPa
4.5MPa
Normal pressure
Stainless
7.5MPa
4.5MPa
Max.pressure
10.0MPa
6.5MPa
Applicable fluid
CR : R12/22, Helium, Nitrogen, Air
FPM : R12, Helium, Nitrogen, Air
H-NBR : R134a

Packing material and Working temperature’s range

Packing material
Chloroprene Rubber
Nitrile rubber hydride
Mark
CR
H-NBR
Advantage
Resistant to CFC-12, HCFC-22 and HFC-134a
Resistant to HFC-134a, R410A, R407C and R404A
Application
Air conditioner

Air conditioner
Refrigeration

Flow’s smallest area

(mm2)
Model
01V
02V
03V
04V
Smallest area
15
23.1
52
98.2

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