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Evaporative Emissions

SHED Chamber
Complete Line

4 models for evaporative emissions testing — from complete light vehicles to individual components. Compliance with NBR 16927, NBR 16529, EPA, PROCONVE P7/P8, CARB and European standards.

The complete solution for automotive evaporative emissions testing

The SHED Chamber (Sealed Housing for Evaporative Determination) from NAPRO is designed and manufactured in Brazil to meet the requirements of the leading national and international evaporative emissions standards. The line comprises 4 models, covering applications from complete light vehicles to individual fuel system components.

Standard Light vehicles — 60 m³
Moto Motorcycles — 14 m³
Mini Systems — 3.5 m³
Micro Components — ~0.166 m³

Select the desired model:

SHED VVVT — Standard

SHED Standard Catalogue
NAPRO SHED Standard Chamber

Complete solution for evaporative emissions testing on light vehicles, featuring an advanced variable volume and temperature control system (VVVT — Variable Volume Variable Temperature). Widely used by vehicle manufacturers, component suppliers and automotive research and homologation centres.

  • Internal volume of 60 m³
  • Brushed stainless steel internal lining
  • Door with inflatable seal and pneumatic opening
  • 2 inspection windows in double tempered glass
  • Automatic temperature and air circulation control
  • I.R. radiation tank heating system
  • Propane and/or ethanol injection port

Technical Specifications

ParameterSpecification
External dimensions (approx.)7000 (D) × 3000 (W) × 3100 (H) mm
Internal dimensions (approx.)6820 (D) × 2900 (W) × 3000 (H) mm
Door dimensions2900 (W) × 3000 (H) mm
Internal volume60 m³
Door sealInflatable gasket
Door openingPneumatic system
Inspection windows2 — double tempered glass
Internal liningBrushed stainless steel with polished floor
External claddingAluminium sheet

Standards Compliance

StandardScope
NBR 11481 and NBR 16927Brazilian ABNT standards
PROCONVE P7 and P8Brazilian emissions control
US EPA 40 CFR Part 86US federal regulation
CARBCalifornia Air Resources Board
ECE 91/441, EU 2000European standards
LEV 6, 6+, 7 and 8Low Emission Vehicle standards

Applications

  • Evaporative emissions testing on passenger cars, utility vehicles and minivans
  • Diurnal and Hot Soak tests per EPA and CARB
  • ORVR (Onboard Refueling Vapor Recovery) tests — optional hatches
  • Vehicle homologation for PROCONVE, ABNT, EPA and European legislation

SHED VVVT — Moto

SHED Moto Catalogue
NAPRO SHED Moto Chamber

Model developed specifically for evaporative emissions testing on motorcycles, combining an advanced variable volume system with precise temperature control (VVVT). Sized to meet current standards for this vehicle segment.

  • Internal volume of 14 m³
  • Brushed stainless steel internal lining
  • Door with inflatable seal and pneumatic opening
  • 2 inspection windows in double tempered glass
  • VVVT control (Variable Volume Variable Temperature)
  • Propane and/or ethanol injection port

Technical Specifications

ParameterSpecification
External dimensions (approx.)3500 (D) × 2500 (W) × 2000 (H) mm
Internal dimensions (approx.)3400 (D) × 2300 (W) × 1900 (H) mm
Door dimensions2300 (W) × 1900 (H) mm
Internal volume14 m³
Door sealInflatable gasket
Door openingPneumatic system
Inspection windows2 — double tempered glass
Internal liningBrushed stainless steel with polished floor
External claddingAluminium sheet

Standards Compliance

StandardScope
NBR 11481 and NBR 16529Brazilian ABNT standards for motorcycles
PROCONVE P7 and P8Brazilian emissions control
US EPA 40 CFR Part 86US federal regulation
CARBCalifornia Air Resources Board
ECE 91/441, EU 2000European standards

Applications

  • Evaporative emissions testing on motorcycles and mopeds
  • Diurnal and Hot Soak tests for motorcycles per EPA and CARB
  • Homologation for PROCONVE and ABNT motorcycle-specific standards

Mini VVVT SHED

Mini SHED Catalogue
NAPRO Mini SHED

Compact solution for precise evaporative emissions measurement under controlled conditions. The NAPRO Mini SHED is designed for testing vehicle systems and components — fuel tanks, hoses and other items — with advanced volume and temperature control technology (VVVT).

  • Internal volume of 3.5 m³
  • Aluminium structure with internal lining
  • Door with inflatable seal and pneumatic opening
  • Full VVVT control
  • Compatible with Micro SHED integration
  • Propane and/or ethanol injection port

Technical Specifications

ParameterSpecification
Internal dimensions (approx.)1100 (D) × 1800 (W) × 1800 (H) mm
Door dimensions1800 (W) × 1100 (H) mm
Internal volume3.5 m³
StructureAluminium with internal aluminium panel lining
Door sealInflatable gasket
Door openingPneumatic system
Injection portPropane and/or ethanol on the side panel

Standards Compliance

StandardScope
NBR 11481 and NBR 16927Brazilian ABNT standards
PROCONVE P7 and P8Brazilian emissions control
US EPA 40 CFR Part 86US federal regulation
CARBCalifornia Air Resources Board
ECE 91/441, EU 2000European standards
LEV 6, 6+, 7 and 8Low Emission Vehicle standards

Applications

  • Evaporative emissions testing on fuel tanks and systems
  • Testing of hoses and components of the fuel system
  • Emissions research and vehicle certification in the laboratory
  • Integration with Micro SHED for combined test configurations
NAPRO Micro SHED

Chamber designed for evaporative emissions testing on individual fuel system components — canisters, tanks, hoses and other items. Equipped with variable volume technology (VV), it can operate autonomously or integrated with the Mini SHED for full thermal control.

  • Internal volume of approximately ~0.166 m³
  • Compact aluminium structure
  • Autonomous or Mini SHED-integrated operation
  • VV (Variable Volume) technology
  • Propane and/or ethanol injection port

Technical Specifications

ParameterSpecification
External dimensions (approx.)600 (D) × 600 (W) × 800 (H) mm
Internal dimensions (approx.)596 (D) × 596 (W) × 470 (H) mm
Door dimensions520 (W) × 470 (H) mm
Internal volume~0.166 m³
StructureAluminium with internal lining panels
OperationAutonomous or integrated with Mini SHED
Injection portPropane and/or ethanol on the side panel

Standards Compliance

StandardScope
NBR 11481 and NBR 16927Brazilian ABNT standards
PROCONVE P7 and P8Brazilian emissions control
US EPA 40 CFR Part 86US federal regulation
CARBCalifornia Air Resources Board
ECE 91/441, EU 2000European standards
LEV 6, 6+, 7 and 8Low Emission Vehicle standards

Applications

  • Permeation and evaporative emissions testing on canisters
  • Testing of individual fuel tanks
  • Testing of hoses and connections of the fuel system
  • Parts certification and homologation per EPA, CARB and ABNT

Need an evaporative emissions test?

Contact our technical team for guidance on the most suitable model for your application.