Installation, Operation and Maintenance Manual
Butterfly Valves Type 56, 75, 56D, 75D 14
JIS Standard (10K)
Body Material: PP, PVDF, PDCPD Unit: mm (inch)
Nominal
Size
Bolt A Bolt B Quantity
D L S D1 L1 Bolt A Bolt B
Nut &
Wa sh er
400mm
(16”)
M24
more than
290mm (11.42”)
60mm
(2.36”)
M24
more than
120mm (4.72”) 14 4 32
450mm
(18”)
more than
310mm (12.20”)
65mm
(2.56”)
more than
120mm (4.72”) 16 8 40
500mm
(20”)
more than
320mm (12.60”)
65mm
(2.56”)
more than
120mm (4.72”) 16 8 40
600mm
(24”) M30 more than
350mm (13.78”)
75mm
(2.95”) M30 more than
140mm (5.51”) 20 8 48
Bolt A Bolt B
(8) Connection of limit switch procedure (option)
- Shut down the power on the equipment before connecting wires. There are risks of electrical
shock depending on the level of operating voltage.
- Be sure that the terminal cover and body cover are put on during the operation.
- If you use the limit switch at 1mA-100mA or 5-30V, consult near Asahi dealer.
Screw driver (+) Connector (G1/2) Crimp-style terminal
Wire stripper Terminal crimping tool
Procedure (TA-200-SB2)
1) Remove the indicator.
2) Remove the fixed screws from casing using screw driver (+).
Don’t be missing the o-ring of case end.
3) Turn to counter clockwise and remove the piping port
protective cap.
4) Draw the cable through the connector.
5) Strip the cable with wire stripper.
6) Connect the cable to terminal board with a screw driver (-) in
accordance page 12.
Tighten the screws. (Short circuit or shocks may occur.)
7) Tighten up the connector to fix the cable.
8) The screws must be tightened in turn after set the casing with
screws driver (+)
Be sure to set the o-ring when the casing is re-set. (Short
circuit or shocks may occur.)
9) Inset the indicator to the upper camshaft which must be set
same direction of the seal’s arrow.
Caution
W
arning
Necessary items
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