T/ZZB 0190-2017 Active Group standards

T/ZZB 0190-2017 Steel-made gate valve used in petroleum, petrochemical, natural gas and related industries

Publish Date: 2017-07-31 Implement Date: 1970-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 0190-2017

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nValve

ICS Name: Gate valve

Publish Date: 2017-07-31

Implement Date: 1970-01-01

Scope

Main technical content: This standard specifies the structural types, basic requirements, technical requirements, test methods and inspection rules, marking, supply requirements, and quality commitments for steel wedge gate valves and parallel double gate valves used in the oil, petrochemical, natural gas, and related industries. This standard applies to nominal pressures of PN16 to PN400, nominal sizes of DN25 to DN600, and pressure classes of Class 150 to Class 2500, nominal pipe diameters of NPS1 to NPS42, operating temperatures of -29°C to 538°C, and end connections in the form of flanges or welded ends, with bolted valve covers and with exposed stem structures for wedge gate valves and parallel double gate valves used in the oil, petrochemical, natural gas, and related industries. Steel gate valves with end connections in the form of threads or clamp connections can refer to this standard for implementation.