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AL TYPE 20 (Universal purpose couplings)
- Low Pressure, Single valve Type
-
- Widely used and accepted couplings for air line connection.
- Socket have automatic shut-off valve so that fluid in the socket will not run out on disconnection.
- Important steel parts are hardened for high durability.
Specification
Model
21
22
23
24
Nominal size
1/8"
1/4"
3/8"
1/2"
Nominal pipe size (mm)
6
8
10
15
Body material
Steel (Chrome-plated), Brass,
Stainless steel (SUS304, SUS303)Connection
Female thread (F), Male thread (M),
Hose nipple (H), Polyurethane coil tube connection (A,B)Packing
materialStandard
Nitrile rubber (NBR) : −20°C to + 80°C
Option
Fluororubber (FKM) : −20°C to + 180°C
Normal pressure,
Max. pressureSteel,
Stainless steelNormal pressure 1.5MPa, Max. pressure 2.0MPa
Brass
Normal pressure 1.0MPa, Max. pressure 1.5MPa
Applicable fluid
Steel
Air, Oil, etc.
Brass,
Stainless steelAir, Water, etc.