Table of Contents
PURPOSE
1SCOPE
2PRESSURE-TEMPERATURERATINGS
3DIAPHRAGMS
4BODY-BONNETJOINTS
5BODYMATERIALS
6BONNETS
7BODYFACE-TO-FACEDIMENSIONS
8BODYENDCONNECTIONSANDWALLTHICKNESS
9ACTUATORANDAPPLICATIONREQUIREMENTS
10SHELLTESTS
11SEATTESTS
12MARKING
ANNEX
A-Tables
B-ReferencedStandardsandApplicableDates Abstract
Applicable to valves for general liquid and gas service that effect valve closure by means of a resilient diaphragm sealing against a weir or a diaphragm acting in conjunction with a separate or integral disk-member sealing against a seat, having equal sealing capability in either flow direction, and having diaphragms being essentially made of elastomeric or plastic material or combinations thereof.