BERTHOLD TECHNOLOGIES Uni-Probe LB 490 - Page 248

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5 Screw Fittings and Accessories Volume 2
dummy plugs have to be greased with the lubricant OKS 217.
Apply the lubricant evenly on the threads such that the threads are
completely covered. Remove excess lubricant.
5.1.2 Nickel-Plated Screwed Cable Gland Brass
This type of screwed cable glands are suitable for zones 1 and 2.
IMPORTANT
For zone 1 and IIC the installation regulations require the use of
molded screwed cable glands.
.
Sealing against humidity To obtain better sealing capabilities against penetrating liquid, the
screw threads of the screwed cable glands, the adapter and the
dummy plugs have to be greased with the lubricant OKS 217.
Apply the lubricant evenly on the threads such that the threads are
completely covered. Remove excess lubricant.
Material Brass nickel-plated
Terminal insert Polyamide (PA)
Sealing insert FPM
Extended use temperature -60°C to 105 °C
Type test certificate KEMA99 ATEX 6968 X
Type of protection II 2 G Ex d IIC
additional strain relief
ID no. Size Cable diameter
(mm)
E
(mm)
L
(mm)
(mm)
Torque standard
value for body
(Nm)
Torque standard
value for cap
(Nm)
39975 M 16 x 1.5 5 - 10
10
30 20 10 6
39976 M 20 x 1.5 10 - 14 33 24 15 10