DB44/T 402.9-2007
Water section for domestic gas instantaneous water heater (English Version)

Standard No.

DB44/T 402.9-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Guangdong Provincial Standard of the People's Republic of China

Status

Withdraw

Latest

DB44/T 402.9-2007

Replace By

ANSI/ASTM F412-2012

Scope

This standard specifies the terms and definitions, classification and basic parameters, structural requirements, performance requirements, experimental methods, inspection rules and markings, packaging, transportation and storage of water and gas linkage valves for household gas instant water heaters (hereinafter referred to as water and gas linkage valves). This standard applies to water and gas linkage valve devices for household gas instant water heaters.

DB44/T 402.9-2007 Referenced Document

• GB 13612 Manufactured gas
• GB 6932 Domestic gas instantaneous water heater*， 2015-09-18 Update
• GB 9969.1 General principles for preparation of instructions for use of industrial products
• GB/T 1173-1995 Casting aluminium alloys
• GB/T 1176-1987 Specification for cast copper alloys
• GB/T 13611-1992 Classification of town gas
• GB/T 191-2000 Packaging-Pictorial marking for handling of goods
• GB/T 2518-2004 Continuous hot-dip zinc-coated steel sheets and strips
• GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 1:Parallel internal and taper external threads
• GB/T 7306.2 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 2:Taper internal and external threads
• YB/T 5090 Stainless Steel Hot Rolled Strip

DB44/T 402.9-2007 history

• 2007 DB44/T 402.9-2007 Water section for domestic gas instantaneous water heater