美国 AFLAS® O 形圈库存最多的公司之一

Global O 形圈和密封件库存 AFLAS® O 形圈,硬度为 70、80 和 90,标准尺寸和公制尺寸。 Global O 形圈和密封件拥有全系列(所有 394 AS568 尺寸)的AFLAS® 80 硬度黑色 O 形圈

AFLAS® O 形圈材料说明

AFLAS®是四氟乙烯(TFE、FEPM)和丙烯的共聚物,也称为TFE/P。这种弹性体由 Asahi Glass(日本)开发,并以 AFLAS® 商品名销售。

AFLAS® O 形圈耐化学性

AFLAS® O 形圈对多种化学品具有高度耐受性,例如酸、碱和蒸汽。

AFLAS® O 形圈温度范围

AFLAS® 80 硬度计

标准低温:-10°C (-14°F)
标准高温:220°C (428°F)

规格表: AFLAS® 80 硬度计

AFLAS® 90 硬度计

标准低温:0°C (32°F)
标准高温:250°C (482°F)

规格表: AFLAS® 90 硬度计

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AFLAS® 与 FKM 和 FFKM 对比

AFLAS® 与 FKM (Viton®)

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

AFLAS® O 形圈比 FKM 具有更好的耐碱性和耐蒸汽性。 AFLAS® O 形圈具有与 FFKM 类似的耐化学性,是一种更具成本效益的材料。
aflas-vs-fkmaflas-vs-ffkm

AFLAS® O 形圈应用

凭借其独特的耐化学性以及相对于 FFKM 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