Product Description
Bio-Pure Installation, Operation, and Maintenance Manual
7
Bonnet description
Manual and actuator bonnet
The manual bonnet and actuator bonnet are non-sealed and have a weep hole that permits
leakage of the process fluid if the diaphragm ruptures.
Manual bonnet sealed (COP)
The manual bonnet sealed (COP) does not include a weep hole or V-notch vent plug. The COP
manual topworks can only be cleaned (submerged) when the topworks is assembled to a valve
body.
Valve diaphragm identification
Diaphragm tab codes
All diaphragm materials and physical properties are batch traceable via permanent codes
molded into the diaphragm tabs. The molding date, grade of diaphragm, and size provide
traceability to original batch records.
1. Date code
2. Batch code
Figure 2: Elastomer diaphragm front
1. Supplier code
2. Material code
Figure 3: Elastomer diaphragm back
Designed and Manufactured by ITT
