SM-P00077-A/3
2. INSTALLATION
39
2020-04-15
2.4.8
Piping ports for external pilot (option symbol: K)
The external pilot model (option symbol: K) has a separate pilot air exhaust. Since pilot air supply and
exhaust ports are both M5 screw ports, make sure to pipe to correct ports. Otherwise, a malfunction may
result.
Port identification
Usage
Port
Identification (ISO standard)
Pilot air
Supply port
12/14
Exhaust port
82/84
<Base piping type single valve (common to 4GB1 R through 4GB3 R)>
<Manifold>
• M4GB1 R
• M4GB2 R/M4GB3 R
External
pilot air
supply port
External pilot air
exhaust port
Mounting
hole
External pilot air supply port is
located on the top surface of the
manifold.
There are two ports, one on each
side.
External pilot air
exhaust port
External
pilot air
supply port
Mounting
hole
External pilot air supply port is
located far from ports A and B.
There are two ports, one on each
of the end surfaces.
External pilot air exhaust port
External
pilot air
supply port
Main valve
supply port
External pilot air supply port is
located on the left side when the
main valve supply port is facing
the user.
