User Manual

6 Installation and operating instructions BM 702 (07/00)

c) Purging device

Remove screw plug ¼" R and screw in

screwed tube joint, e.g. Ermeto ¼" R.

Consult “Ex“ specifications relating to the

purging circuit (provided by customer)!

Installation on the tank

• Do not forget the gasket when

positioning the BM

702 on the tank

nozzle flange. Align BM 702 and gasket,

slightly tighten nuts on stud bolts (by

hand).

• Press shielding strip C* in the gap

between tank and BM

702 flanges and

secure with strap retainer S* (both

items included with supply).

• Strap retainer S* must fit closely and

overlap both flanges.

* only required for European radio approvals

• Tighten down stud bolt nuts firmly. The

tightening torque is dependent upon

the strength properties of the stud

bolts and the pressure rating of the

tank

C* = shielding strip B = BM 702 flange

S* = strap retainer F = tank flange

Positioning on the tank

>1/7×H, but max. 1/3×D

Recommended distance Do not position in Do not position

from the tank wall tank centerline! above internals!

(multiple reflections!) (interference reflections!)

A Stilling well or Wave-Guide may be mounted in any position on the tank!