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PURPOSE This standard establishes a minimum signal range capable of operating control valves equipped with spring-opposed diaphragm actuators. It is necessary to establish such a signal range to provide sufficient pressure below and above the corresponding bench settings of...
This specification covers air-diaphragm-operated control valves complete with their associated pneumatic instrumentation.
This specification covers air-diaphragm-operated control valves complete with their associated instrumentation.
This Standard Practice applies 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...
This Practice provides requirements for suppliers providing hygienic plastic diaphragm valves included in PIP Piping Line Class Material Specifications.
This standard specifies requirements for the design, functional characteristics and manufacture of diaphragm valves made of thermoplastics materials intended for isolating and control service, their connection to the pipe system, the body materials and their...
NOTE: This guide specification covers the requirements for diaphragm type automatic control valves used in aircraft refueling systems constructed to the requirements of the DoD Type III/IV/V, and Cut and Cover Hydrant Refueling System Standards.
This Practice provides requirements for suppliers providing hygienic stainless steel diaphragm valves included in PIP Piping Line Class Material Specifications.
This Practice describes, in table format, the standard terms used in the drop down menus of the PIP diaphragm valve data sheet appended to this Practice. Purpose This Practice provides a data sheet and standard terms used for specifying diaphragm valves.
SCOPE AND LIMITATIONS This standard shall apply to rotary and linear motion control valves. Bellows, diaphragms and tubular stem seals are not covered by this standard. This standard shall not apply to valves that are governed by conflicting national or international...
This Standard is confined to mechanical separators utilizing diaphragms or bladders together with a sealed liquid to transmit pressure from the process medium to the pressure element assembly of pressure gauges or other pressure measuring instruments. It does not include diaphragm...
Specifies size, rating, design, materials, marking, preparation for transport and storage and pressure testing requirements for flanged and screwed diaphragm valves with nominal pressure up to PN 16. For flanged valves covers the range DN 10 to DN 300 and for valves with...
Valves of conventional pneumatic-diaphragm-operated single or double beat type. Recommendation that applies to other types of automatic control valve for process control industry.
This standard specifies requirements for the design, functional characteristics and manufacture of diaphragm valves made of thermoplastics materials intended for isolating and control service, their connection to the pipe system, the body materials and their...
This recommended practice (RP) addresses the special needs of automated valves in refinery services. The knowledge and experience of the industry has been captured to provide proven solutions to well-known problems. This document provides recommended criteria for the selection,...
This part of ISO 9635 specifies construction and performance requirements and test methods for control valves, intended for operation in irrigation systems with water at temperatures not exceeding 60 °C, which can contain fertilizers and other chemicals of the types and concentrations...
This Standard Practice delineates a method for qualification of elastomer diaphragms, in accordance with methodology and documentation as described in Appendix QR-B of ASME QME-1, that are intended for use in Class 2 and 3 diaphragm valves applicable to Section III of the ASME...
