T/ZZB 1935-2020 Active Group standards

T/ZZB 1935-2020 Large-diameter blind plug wedge gate valve

Publish Date: 2020-11-23 Implement Date: 2020-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/ZZB 1935-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nValve

ICS Name: Gate valve

Publish Date: 2020-11-23

Implement Date: 2020-12-01

Scope

Main technical content: This document specifies the terms and definitions, structural types, classification and basic parameters, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of large-diameter non-rotating wedge gate valves. This document is applicable to large-diameter non-rotating wedge gate valves (hereinafter referred to as non-rotating gate valves) with nominal pressures of PN10 to PN150, nominal sizes of DN350 to DN1200 (or pressure grades of Class 150 to Class 900, nominal sizes of NPS14 to NPS48), applicable temperatures of -46°C to 550°C, and operating media of oil, water, and steam. This document is not applicable to non-rotating gate valves operated by electric wheels.