ASAHI AV VALVES Installation,Operation and Maintenance Manual
Diaphragm Valves Type 14 True Union Diaphragm Valves Type14
11
Travel stop adjustment
＜
Nominal size 65-100mm
＞
1)
Loosen the gauge cover
◯
11
with hand.
2)
Loosen the upper nut
◯
20
from the lower nut
◯
20
with spanner wrench.
3)
Loosen the lower nut
◯
20
.
4)
Operate the handle wheel to tighten gradually until the leakage of fluid stops.
5)
Tighten the lower nut
◯
20
until it stop, and then turn it back (counter-clockwise) 180
°
.
6)
Tighten the upper nut
◯
20
to the lower nut
◯
20
with spanner wrench.
7)
Tighten the gauge cover
◯
11
.
Tightening torque of the screw
Unit : N-m {kgf-cm} [lb-inch]
Nom. Size
65-100mm
(2 1/2”-4”)
Torque valve
15.0 {153} [133]
