Electronic pressure sensor
PM11
9
5 Installation
The device can be adapted to clamp connections 1“ – 1.5“ [DIN 32676 (ISO 2852)].
Before installing and removing the device: Make sure that no pressure is applied to the system
and there is no medium in the pipe.
The clamp adapter must be designed so as to be in accordance with the system pressure.
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Use connection pieces with a suitable system seal, clamp and screw plug.
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For installation where EHEDG conditions have to be met:
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EHEDG position paper
The tightening torque of the clamp adapter depends on the sealing version and the Shore
hardness of the seal used.
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Tightening torque for the clamp adapter:
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Manufacturer’s specification
Clamp connection to pipe to DIN 11866
PM11xx, effective diameter: Deff = 21 mm
Series A - metric
Nominal width ≥ DN25, Di = ≥ 26 mm
Series B - ISO
Nominal width DN / OD ≥ 26.9 x 1.6 mm, Di = ≥ 23.7 mm
Series C - ASME
Nominal width 1.5” = 34.8 mm
d1
d2
50,5 mm
.
Inner diameter of the connection piece d2 > effective area of the ceramic diaphragm, including
elastic support via Teflon ring seal d1.
