FLENDER ZAPEX - O-Rings; Table A-6 O-Rings

Technical specifications
O-rings
70 Edition 09/2022 M3560-02en
• Avoid contact with aggressive media
• Protect the O-rings (12) from becoming deformed during storage
• Do not mount the O-rings (12) for storage onto the coupling part (1/2)
A.6.2 O-rings O-rings
Material Hardness Comment Marking Ambient temper-
ature
Approved for ex-
plosion group
72NBR871 72 Shore A Standard black -30°C … +80°C IIA, IIB, IIC
Viton
(85 FKM)
85 Shore A Special
higher temperatures
black -20°C to +150°C not approved
85NBR891 85 Shore A Special
for lower temperatures
black -45°C to +80°C IIA, IIB, IIC
TableA-6: O-rings