T/ZZB 0190-2022 Active
T/ZZB 0190-2022 Steel gate valve used in petroleum, petrochemical, natural gas and related industries
Abstract
Main technical content: This document specifies the terms and definitions, structural types, basic requirements, technical requirements, test methods, inspection rules, marking, protection, packaging, storage and transportation, and quality commitments for steel gate valves used in the oil, petrochemical, natural gas, and related industries (hereinafter referred to as gate valves). This document is applicable to flanged or welded connection gate valves with nominal pressures of PN16 to PN400, nominal sizes of DN25 to DN1050, and nominal pressures of Class 150 to Class 2500, nominal sizes of NPS1 to NPS42, and applicable temperatures of -46°C to 550°C. It includes: lift-rod thread and bracket type (lift-rod valve, non-lift-rod handwheel), metal sealing pairs, wedge single gate valves, wedge double gate valves, parallel double gate valves, and gate valves with pressure self-tightening sealing covers.
General Product Information
| Document Type | Group standards |
|---|---|
| Standard Status | Active |
| Standard Code | T/ZZB 0190-2022 |
| CCS | \nValve |
| ICS | Gate valve |
| Implement Date | 2022-12-30 |