Overview Bolt Tightening Torques Special Materials (Stainless Steel)

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Material /type	Bolt size	Temperature in °C / Fahrenheit
-10 / 14	+20 / 68	+100 / 212	+200 / 392	+300 / 572	+400 / 752
Bolt tightening torques in Nm / lbf ft (thread and seat lubricated!)
1.4301






















1.4306/ 1.4307

Material /type	Bolt size	Temperature in °C / Fahrenheit
-10 / 14	+20 / 68	+100 / 212	+200 / 392	+300 / 572	+400 / 752
Bolt tightening torques in Nm / lbf ft (thread and seat lubricated!)
1.4401






















1.4404/ 1.4435

Material /type	Bolt size	Temperature in °C / Fahrenheit
-10 / 14	+20 / 68	+100 / 212	+200 / 392	+300 / 572	+400 / 752
Bolt tightening torques in Nm / lbf ft (thread and seat lubricated!)
1.4438






















1.4439

Material /type	Bolt size	Temperature in °C / Fahrenheit
-10 / 14	+20 / 68	+100 / 212	+200 / 392	+300 / 572	+400 / 752
Bolt tightening torques in Nm / lbf ft (thread and seat lubricated!)
1.4462






















1.4529

Material /type	Bolt size	Temperature in °C / Fahrenheit
-10 / 14	+20 / 68	+100 / 212	+200 / 392	+300 / 572	+400 / 752
Bolt tightening torques in Nm / lbf ft (thread and seat lubricated!)
1.4539






















1.4541

Material /type	Bolt size	Temperature in °C / Fahrenheit
-10 / 14	+20 / 68	+100 / 212	+200 / 392	+300 / 572	+400 / 752
Bolt tightening torques in Nm / lbf ft (thread and seat lubricated!)
1.4562






















1.4571

Test Runs

(version without steady bearing; running during filling & emptying allowed)

	WARNING
Agitators for use in the explosive range must be run in for at least 3 hours under observation (accaustically, visually, thermically) without an explosive atmosphere being present. Only then may the agitator be used in the explosive range.

	WARNING
Explosive atmosphere present during filling, emptying, opening of the vessel, maintenance, shutting down and disassembly. Appropriate safety precautions must be taken on site and the technical rules for safe working practice and good workmanship complied with.

● Connect the motor

●Bump the motor (max. 10 sec) for rotation just to check that the rotation direction is in accordance with the specification (→ chapter 1)

	CAUTION
Observe the limitations given in the specification (→ chapter 1) with regard to the permissible speed range

WARNING

If the vessel is filled while the agitator is running, i.e. the liquid surface rises past the rotating impeller, a dangerous build-up of electrostatic charge can occur if the liquid enters as a spray. Appropriate measures must therefore be taken by others to prevent this, such as introducing the product below the surface of the liquid or directing it against the vessel wall, flow velocity < 5 m/s.

	WARNING
A dangerous buildup of electrostatic charge can be caused by stirring the product. Appropriate measures must therefore be taken on site to counteract this

Test Run in Air

● Switch on the motor

● Observe the agitator shaft running for 1 to 2 minutes

When the agitator runs with a low vibration level and there are no other obvious problems:

● Let the agitator run for 5 to 10 minutes

● Switch off the agitator

Test Run in Water

● Fill the vessel with water to the design level