FLENDER RUPER RBS, Руководство по сборке и эксплуатации, Страница: 74 / 78

Technical data
Buffers (5)
74 Edition 09/2022 M3602-01en
• Only replace complete sets
• Only use buffers (5) of the same type and age
A.5.2 RUPEX buffers (5)
Buffers (5)
Material Hardness Comment Marking Ambient temper-
ature
Approved for ex-
plosion group
NBR 80 Shore A Standard Black buffer -30 °C to +80 °C IIA, IIB, IIC
NBR 65 Shore A Special, soft,
shifting of the
resonant speed,
rated torque
reduced
Black buffer
with green dot
on front face
-30 °C to +80 °C IIA, IIB, IIC
NBR 90 Shore A Special, hard,
shifting of the
resonant speed
Black buffer
with magenta dot
on front face
-30 °C to +80 °C IIA, IIB, IIC
NBR 639 80 Shore A Special,
electrically insulating
Green buffer -30 °C to +80 °C IIA, IIB
NR 80 Shore A Special,
low-temperature use
Black buffer
with white dot
on front face
-50 °C to +50 °C IIA, IIB, IIC
HNBR 80 Shore A Special,
high-temperature use
Black buffer
with red dot
on front face
-10 °C to +100 °C Not approved
Table A-10: RUPEX buffers