{
  "url": "https://openlegislation.uk/eu-regulation-2017-654/annex-VII/division-2/division-2.2/division-2.2.4/division-2.2.4.1",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-654/annex-VII/division-2/division-2.2/division-2.2.4/division-2.2.4.1.json",
  "legislation": "eur/2017/654",
  "legislation_title": "Commission Delegated Regulation (EU) 2017/654 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to technical and general requirements relating to emission limits and type-approval for internal combustion engines for non-road mobile machinery",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-654",
  "path": "annex/VII/division/2/division/2.2/division/2.2.4/division/2.2.4.1",
  "kind": "division",
  "number": "2.2.4.1",
  "heading": "PDP-CVS system",
  "text": "The mass of the diluted exhaust gas [kg/test] over the cycle shall be calculated by means of equation (7-35), if the temperature of the diluted exhaust gas m ed is kept within ± 6 K over the cycle by using a heat exchanger:\nm ed = 1,293 × V 0 × n P × P p 101,325 × 273,15 T\n(7-35)\nwhere:\nV 0 volume of gas pumped per revolution under test conditions [m3/rev]\nn P total revolutions of pump per test [rev/test]\np p absolute pressure at pump inlet [kPa]\nT – average temperature of the diluted exhaust gas at pump inlet [K]\n1,293 kg/m3 air density at 273,15 K and 101,325 kPa\nIf a system with flow compensation is used (i.e. without heat exchanger), the mass of the diluted exhaust gas m ed, i [kg] during the time interval shall be calculated by means of equation (7-36):\nm ed, i = 1,293 × V 0 × n P, i × p p 101,325 × 273,15 T\n(7-36)\nwhere:\nV 0 volume of gas pumped per revolution under test conditions [m3/rev]\np p absolute pressure at pump inlet [kPa]\nn P, i total revolutions of pump per time interval i [rev/Δt]\nT – average temperature of the diluted exhaust gas at pump inlet [K]\n1,293 kg/m3 air density at 273,15 K and 101,325 kPa",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/654/annex/VII/division/2/division/2.2/division/2.2.4/division/2.2.4.1",
    "retrieved_at": "2026-11-01T14:45:01.864924+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}