307系列R-134a汽車空調(diào)膠管
R-134a automotive air conditioning hose
應用
產(chǎn)品應用于汽車空調(diào)系統(tǒng)或其他制冷系統(tǒng)，膠管具有可靠的承壓能力；對R-134o制冷劑有優(yōu)良的耐腐蝕性能。適用于輸送R-134a制冷劑。
執(zhí)行標準
膠管執(zhí)行SAEJ2064標準，符合GB/T20025.2及QC/T664標準要求。
外觀
外表黑色，有光面(307)或布紋（307W）。
Application
The product is applied to automotive air-conditioning system or other refrigerating system. The rubber hose has reliable ability to wilthstand pressure and good resistance against the corrosion of R-134a refrigerant. Itis suitable to deliver R-134a refrigerant.
Applicable Standards
Rubber hose according to Standard SAE J2064, conforming to Standard GB/T20025.2 and QC/T 664.
Appearance
Visually black, with polish (307) or wove pattern (307W）.
結(jié)構(gòu)特性
膠管由尼龍合金內(nèi)襯層、內(nèi)膠層、纖維增強層和耐天候的外膠層組成。
307E型管壁較薄，307N型管壁較厚，307H型管壁加厚。
Structural Characteristics
The rubber hose consists of nylon alloy interlining, inner rubber layer, fiber reinforced layer, and weather
resistant outer layer.
The wall thickness of 307E hose is lower, while the wall thickness of 307N,307H hose is higher.
