QB/T 4507-2013 (English Version) PDF

Scope: This standard specifies the structural type, usage conditions, materials, requirements, test methods, inspection rules and markings, packaging, transportation and storage of copper threaded connections and flange-connected filters (hereinafter referred to as "filters") for plumbing pipe fittings. This standard is applicable to copper filters for general plumbing pipes where the nominal pressure PN is not greater than 2.5 MPa, the nominal size DN of the threaded connection is not greater than 100 mm, the nominal size DN of the flange connection is not greater than 300 mm, and the working medium is water, non-corrosive liquids, etc. device.

QB/T 4507-2013 Referenced Document

GB/T 10612 Industrial plate screens--Thickness below 3mm-Round and square holes
GB/T 1184 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 12221 Metal valves-Face to face,end to end,center to face and center to end dimensions
GB/T 12225 General purpose industrial valves.Specification of copper alloy castings*， 2018-05-14 Update
GB/T 13927 Industrial valves—Pressure testing*， 2022-12-30 Update
GB/T 15530.1 Cast copper alloy integral flange
GB/T 15530.8 Specifications for copper alloy and composite flanges
GB/T 20078 Copper and Copper Alloy Forgings*， 2023-05-23 Update
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 5231 Designation and chemical composition of wrought copper and copper alloys*， 2022-03-09 Update
GB/T 5330-2003 Industrial woven metal wire cloth (square opening series)
GB/T 7306.1 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
GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 8464-2008 Cast iron and copper valves with screwed connections
JC/T 1043 Iimit of lead extraction in faucets