Welding Nipple

• Use tubes made of weldable steel for steel fittings.
• Use tubes made of weldable stainless steel for stainless steel fittings.

Cutting the tube:

• Use saw.
• Cut in 90 ° angle.
• Angle tolerance of 0.5 ° is tolerable!

• Slant tube end 30 ° for single V-joint. The slant of the tube must resemble slant of the welding nipple.
• The O-ring must be removed when you are welding!

• Slide nut over welding nipple.
• Weld nipple to tube according to applicable regulations.
• Caution: remove welding residue inside the tube!

• Apply O-ring, O-ring can be lubricated if necessary.
• For stainless steel fittings: apply lubrication on threading of swivel nut and fitting.

• Tighten swivel nut by hand
• Tighten swivel nut approx. 1/3 to 1/4 rotations.

The welding nipple fitting installation is completed.