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NAC – SPE TYPE (PAT.) Quick Couplings

Made in Japan

Manufacturer : NAGAHORI INDUSTRY CO., LTD.

Model : CSPE01, CSPE02, CSPE03, CSPE04, CSPE06, CSPE08

Large, Smooth flow and Energy-Saving Type
Medium pressure, Twin valve Type
  • Interchangeable with conventional CSP types.
  • Both socket and plug have automatic shut-off valves for medium pressure applications.
  • Various packing materials enable a wide variety of applications.
Medium pressure, Twin valve Type
  • 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
01
02
03
04
06
08
Nominal Size
1/8″
1/4″
3/8″
1/2″
3/4″
1″
Nominal pipe size (mm)
6
8
10
15
20
25
Body material
Brass, Stainless steel (SUS304) (*1)
Connection
Female thread (F) only
Packing material
Fluororubber (FKM)
Normal pressure
Brass
5.0MPa
3.0MPa
Max.pressure
7.5MPa
4.5MPa
Normal pressure
Stainless steel
7.5MPa
4.5MPa
Max.pressure
10.0MPa
6.5MPa
Applicable fluid
Water, Air, Steam piping, Oil, Chemical plant, Ship, etc. (*2)
(*1) Steel body (Zinc-plated) is option.
(*2) Packing material should be selected for the applicable fluid.

Packaging Material and Working Temperature’s Range

Packing material
Mark
Feature
Nitrile rubber
NBR
Oil resistance
Fluororubber
FPM
Heat, oil resistance
Perfluoro®
P
Chemical resistance
Ethylene propylene
EPDM
Weathering resistance
Heat resistant FPM
A
Steam resistance
Kalrez®
K
Chemical, heat resistance

Perfluoro® is a trademark of Daikin, Japan.
Kalrez® is a trademark of DuPont Performance Elastomers LLC, U.S.A.

Flow’s smallest area

(mm2)
Model
01
02
03
04
06
08
Smallest area
13
23
55
83
143
234

 

Feature

We developed to minimize pressure loss, by analyzing the flow condition in the inner mechanism.

*Studding the block of flow in the each structures, we found the solutions to reduce the loss.

The example of pressire loss

We designed the new inner parts to make ideal flow condition.

Flow rate-Pressure drop characteristic table
Comparison of the average flow
To CSP TYPE
CSPE01
130 %
CSPE02
183 %
CSPE03
160 %
CSPE04
164 %
CSPE06
188 %
CSPE08
169 %

*Flow from socket to plug

Change of seal improved the packing function.

*The move of seal position to the front makes the flow larger and smoother.

 

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PAYMENT

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