Knife Gate Valve Standards

PURPOSE This manual will explain fundamental concepts and operation of knife gate valves, providing users with a technical background to understand, specify, and install knife gate valves in applications for which they are intended. The information in this...

This Standard Practice establishes requirements and acceptance criteria for shell and seat closure pressure testing of resilient, non-metallic (e.g. ceramic), and metal-to-metal seated knife gate valves of all types.

This Standard Practice covers the construction requirements for lug- and wafer-type knife gate valves made from ASME Code materials and meeting the applicable gate valve requirements of ASME B16.34. This Standard Practice covers flanged body designs compatible...

This standard describes bonneted, bonnetless, cast, and fabricated steel; stainless-steel; and cast ductile-iron body knife gate valves with resilient or metal seats, including tapping knife gate valves, for use in water, wastewater, and reclaimed water...

SCOPE AND FIELD OF APPLICATION This Standard Practice covers stainless-steel-lined, cast, or fabricated bonnetless, low pressure knife gate valves that are designed and manufactured to serve as a "Double Block and Bleed"(1) single valve system in pipelines. These...

SCOPE AND FIELD OF APPLICATION This Standard Practice covers cast or fabricated, bonneted or bonnetless knife gate valves designed and manufactured to serve as a "Double Block and Bleed" single valve system in pipelines. These valve types shall have flanged body...

This Standard Practice covers the construction requirements for high pressure lug-, wafer-, and flange-type iron and ductile iron knife gate valves. This Standard Practice covers flanged body designs compatible with the following ASME standardized flanges: (a) B16.1, Class 125...

SCOPE AND FIELD OF APPLICATION This Standard Practice covers all stainless-steel or stainless-steel-lined, cast, or fabricated bonnetless, knife gate valves with flanged ends from size NPS 2 (DN 50) through NPS 36 (DN 900). The valves identified in this Standard Practice...

SCOPE AND FIELD OF APPLICATION This Standard Practice covers carbon steel, iron or ductile iron, cast or fabricated, bonnetless, unlined knife gate valves with flanged or lugged ends from size NPS 2 (DN 50) through NPS 60 (DN 1500). The valves identified in this Standard...

This Standard Practice covers factory-made plastic-lined metal valves intended primarily for conveying corrosive fluids. Requirements for materials, workmanship, dimensions, design, fabrication, working pressure and temperatures, test methods, qualification requirements, and markings are...

General Application. This Standard covers face-to-face and end-to-end dimensions of straightway valves, and center-to-face and center-to-end dimensions of angle valves. Its purpose is to ensure installation interchangeability for valves of a given material, type, size, rating...