WIS and IGN

Applications for stainless steel in the water industry

• Type: IGN
• Code: 4-25-02
• Issue: January 1999
• Status: Current

WIS and IGN

Mechanical couplings and repair clamps for iron pipes for the conveyance of cold potable water (underground use) for the size range 40 to 1600mm

• Type: WIS
• Code: 4-21-02
• Issue: October 1994
• Status: Current

WIS and IGN

Ductile iron pipes

• Type: IGN
• Code: 4-21-01
• Issue: July 1994
• Status: Current