2025-12-14 10.2.82.121
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Code of China
Chinese National Standard List: Air intake/exhaust system

GB/T 1859.4-2025 Reciprocating internal combustion engines - Measurement of sound power level using sound pressure - Part 4: Survey method for use in situ 
  Issued on: 2025-8-1   Translation Price(USD): 315.0
GB/T 23337-2023 Internal combustion engines—Intake and exhaust valves—Specification 
  Issued on: 2023-9-7   Translation Price(USD): 320.0
GB/T 41161-2022 Reciprocating internal combustion engines—Measurement method for combustion noise 
  Issued on: 2022-03-09   Translation Price(USD): 225.0
GB/T 33928-2017 Reciprocating internal combustion engines-Measurement method for exhaust silencers-Sound power level of exhaust noise and insertion loss using sound pressure and power loss ratio 
  Issued on: 2017-07-12   Translation Price(USD): 430.0
GB/T 1859.4-2017 Reciprocating internal combustion engines—Measurement of sound power levels using sound pressure—Part 4:Survey method using a reference sound source 
  Issued on: 2017-05-12   Translation Price(USD): 310.0
GB/T 1859.1-2015 Reciprocating internal combustion engines―Measurement of sound power level using sound pressure―Part 1:Engineering method 
  Issued on: 2015-12-10   Translation Price(USD): 140.0
GB/T 1859.3-2015 Reciprocating internal combustion engines―Measurement of sound power level using sound pressure―Part 3:Precision methods for hemi-anechoic rooms 
  Issued on: 2015-12-10   Translation Price(USD): 310.0
JB/T 11880.2-2014 Diesel Engines - Selective Catalytic Reduction (SCR) Systems - Part 2: Urea Solution Tanks 
  Issued on: 2014-07-09   Translation Price(USD): 260.0
JB/T 12083-2014 General Utility Small Gasoline Engine - Specifications for Crankshaft 
  Issued on: 2014-07-09   Translation Price(USD): 190.0
JB/T 11880.7-2014 Diesel Engines - Selective Catalytic Reduction (SCR) Systems - Part 7: Nox Sensors 
  Issued on: 2014-07-09   Translation Price(USD): 220.0
JB/T 11880.1-2014 Diesel Engines-Selective Catalytic Reduction (SCR) Systems - Part1: General Requirements 
  Issued on: 2014-07-09   Translation Price(USD): 240.0
JB/T 5137-2014 Exhaust Silencers of General Utility Small Gasoline Engines - Specification 
  Issued on: 2014-07-09   Translation Price(USD): 190.0
JB/T 11880.5-2014 Diesel Engines - Selective Catalytic Reduction (SCR) Systems - Part 5: Urea Solution injectors 
  Issued on: 2014-07-09   Translation Price(USD): 240.0
JB/T 11880.4-2014 Diesel Engines - Selective Catalytic Reduction (SCR) Systems - Part 4: Urea Solution Supply Pump  
  Issued on: 2014-07-09   Translation Price(USD): 190.0
JB/T 11880.3-2014 Diesel Engines - Selective Catalytic Reduction (SCR) Systems - Part 3: Urea Solution Line 
  Issued on: 2014-07-09   Translation Price(USD): 140.0
JB/T 12084-2014 General Utility Small Two-stroke Gasoline Engine Aluminum Cylinder Block without Liner - Technical Specification 
  Issued on: 2014-07-09   Translation Price(USD): 130.0
JB/T 11880.6-2014 Diesel Engines - Selective Catalytic Reduction (SCR) Systems - Part 6: Dosing Control Units (DCU) 
  Issued on: 2014-07-09   Translation Price(USD): 450.0
JB/T 11788.1-2014 Internal combustion engines－Sealing polyurethane for filter elements－Part 1: For air filter elements 
  Issued on: 2014-05-06   Translation Price(USD): 184.0
JB/T 11789-2014 Internal combustion engines－Valve rotators－Specification 
  Issued on: 2014-05-06   Translation Price(USD): 214.0
JB/T 8415-2011 Internal combustion engines — Timing gears — Specifications 
  Issued on: 2011-8-15   Translation Price(USD): 270.0
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