Technical Data VH / VK
- 32 - © SIKA • Ea3000_FlowSwitch • 03/2021
Electrical characteristics
DIN EN 175301-803-A
Degree of protection
(EN 60529)
Protection class
(EN 60730-1)
Applies to type VH...X flow switches
The ignition energy of the explosive atmosphere should not be below 60 µJ.
The effective internal inductances and capacities are negligibly small.
7.1 Materials in contact with medium
Type VHS / VH3
(Brass version)
VHS / VH3
(Stainless steel version)
VKS VK3
30 % glass fibre rein-
30 % glass fibre rein-
(VK3)
Copper (VK3)
tion
VH305)
30 % glass fibre rein-
NBR (Brass pipe section)
EPDM (PVC pipe section)
*1 Only VK325, VK340, VK350, VKS25, VKS40, VKS50 and VKS350.