Identification tag
Line
1
2
3
4
Bonnet description
Non-Sealed bonnet
The non-sealed bonnet has a weep hole that permits leakage of the process fluid if the diaphragm
ruptures.
Sealed bonnet
The sealed bonnet uses a special "V-notch" vent plug, which permits diaphragm inspection.
Figure 3: Weep hole and V-notch vent plug
Bonnet
weep hole
V-notch vent plug
(Sealed bonnet only)
®
Advantage
Actuator 2.0 Maintenance Manual
Description
Valve serial number
Valve size and model number
Valve diaphragm type
Maximum recommended actuation pressure
Product Description
5
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