標(biāo)準(zhǔn)解讀

《GB/T 17926-2022 車用壓縮天然氣瓶閥》作為對《GB/T 17926-2009 車用壓縮天然氣瓶閥》的更新,主要在以下幾個方面進行了調(diào)整和完善:

  1. 技術(shù)要求提升:新標(biāo)準(zhǔn)對車用壓縮天然氣瓶閥的材料性能、機械強度、耐腐蝕性等方面提出了更嚴(yán)格的要求,以確保閥門在更高壓力和更復(fù)雜環(huán)境下的安全可靠使用。

  2. 安全性增強:增加了對緊急切斷裝置(如適用)的技術(shù)要求和測試方法,強化了對異常情況下的自動切斷保護功能,提高了車輛在事故狀態(tài)下的安全性能。

  3. 測試方法優(yōu)化:更新了多項試驗方法,包括氣密性試驗、壓力循環(huán)試驗、耐久性試驗等,使之更加科學(xué)合理,能夠更準(zhǔn)確地評估瓶閥的性能和壽命。

  4. 適應(yīng)性擴展:考慮到技術(shù)進步和市場變化,新標(biāo)準(zhǔn)對不同類型的車用壓縮天然氣瓶閥(如不同容量、壓力等級)進行了分類規(guī)定,并對其適用范圍和條件進行了明確,增強了標(biāo)準(zhǔn)的通用性和適用性。

  5. 環(huán)保與可持續(xù)性:雖然直接提及環(huán)保要求的變更不詳,但隨著全球?qū)沙掷m(xù)發(fā)展的重視,新標(biāo)準(zhǔn)可能隱含了對材料可回收性、減少泄漏以降低環(huán)境污染等方面的考量。

  6. 標(biāo)準(zhǔn)化與國際接軌:新標(biāo)準(zhǔn)在制定過程中參考了國際先進標(biāo)準(zhǔn)和實踐,旨在提升國內(nèi)產(chǎn)品的國際競爭力,加強了與國際標(biāo)準(zhǔn)的一致性,便于國際貿(mào)易和技術(shù)交流。

  7. 信息標(biāo)識與追溯:加強了對產(chǎn)品標(biāo)識的要求,確保每個瓶閥都有清晰、可追溯的信息標(biāo)識,便于管理和維護,同時也有助于提高安全監(jiān)管效率。


如需獲取更多詳盡信息,請直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。

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  • 2022-03-09 頒布
  • 2022-10-01 實施
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