美国最大的AFLAS®O型圈库存之一

全球O型圈和密封件备有标准尺寸和公制尺寸的70、80和90硬度计的AFLAS®O型圈。整体O形圈和密封圈保持AFLAS®80 Durometer黑色O形圈的全线(所有394 AS568尺寸)。

AFLAS®O型圈材料说明

AFLAS®是四氟乙烯(TFE,FEPM)和丙烯的共聚物,也称为TFE / P。该弹性体由日本旭硝子开发,并以AFLAS®商标出售。

AFLAS®O形圈耐化学性

AFLAS®O形圈对各种化学品(例如酸,碱和蒸汽)具有很高的抵抗力。

AFLAS®O形圈温度范围

标准低温:-10°C(-14°F)
标准高温:220°C(428°F)

规格表: AFLAS®80硬度计

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AFLAS®vs FKM和FFKM

AFLAS®与FKM(Viton®)

AFLAS®与FFKM(Kalrez®,Chemraz®,Simriz®等)

与FKM相比,AFLAS®O形圈具有更好的耐基性和耐蒸汽性。 AFLAS®O形圈与FFKM具有相似的耐化学性,是一种更具成本效益的材料。
阿夫拉斯-VS-FKM阿夫拉斯-VS-FFKM

AFLAS®O型圈应用

凭借其独特的耐化学性以及与FFKM相比的成本优势,AFLAS®在各个行业中的应用不断增加。

应用 好处 描述
Downhole Chemical Resistance, Heat Resistance, Steam Resistance In certain geographic regions, O-rings used downhole are exposed to corrosive gas like H2S, high temperature steam, or basic mud. Rubber parts made of AFLAS® survive longer under these harsh conditions.
General Steam Steam Resistance, Anti-Corrosive FKM will harden if it comes into contact with steam which contains even a very small amount of anti-corrosive. AFLAS® has excellent steam resistance and has been found extremely reliable in this application.
Mechanical Seals Amine, Alkali Chemical Resistance O-rings in mechanical seals are required to be resistant to various chemicals in one environment. AFLAS® has superior chemical resistance compared to FKM.
Marine Engines Anti-Corrosive Coolant inside large diesel engines contains anti-corrosive additives, and some of these can damage FKM. Because of this, a higher cost FFKM is sometimes used. However, leakage problems can often occur due to the poor elasticity of FFKM. AFLAS® has similar chemical resistance to FFKM and better elasticity. AFLAS® not only has a cost advantage but also a longer service life in this kind of application.
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AFLAS®O型圈的首选环境

Performs Well In:

  • 石油流体
  • 制动液
  • 基地
  • 磷酸酯
  • 胺类
  • 机油
  • 蒸汽和热水
  • 纸浆和纸浆

Doesn't Perform Well In:

  • 芳香燃料
  • 酮类
  • 氯化烃