View Historical Standards for F1098:

Click any Designation link to view a Document Summary Description.

Document Designation and Title Year Select Item(s) F1098 Standard Specification for Envelope Dimensions for Butterfly Valves-NPS 2 to 24 87(2004) F1098 Standard Specification for Envelope Dimensions for Butterfly Valves-NPS 2 to 24 87(1998)