• Manufactured according to the requirements of EN 1074.
• Body and bonnet high quality powder coated (fusion bonded), coating thickness DFT min. 250 micron, zero porosity (tested with 3000V), high impact resistance and cross-linkage according to DIN 30677-2 and DIN 3476.
• Multiple O-Ring spindle sealing system embedded in non-corrosive material to DIN 3547-1.
• A dditional back sealing disc for O-Rings replacement under pressure to ISO 7259.
• A nti friction bush on spindle neck.
• Non-rising stainless steel spindle (single forged round bar with rolled threading).
• Wedge on sealing surfaces completely rubber vulcanised, with drain hole.
• Fasteners protected against corrosion by special resin sealing.
• Manual operation by handwheel, operating cup, extension spindle (underground installation).

MATERIALS:

Body and bonnet:
Ductile iron according to EN-GJS-400-15/EN 1563 (former to DIN GGG 40)

Spindle:
Stainless steel 1.4021/EN ISO 10088 (equivalent to UNI X20Cr13 or AISI420)

Wedge:
Brass CuZn40Pb2, rubber vulcanised, potablewater approved

O-Ring bush:
Brass CuZn40Pb2

Anti-friction bush:
POM

O-Rings, back seal, bonnet seal and dust cap:
Rubber, potable water approved

Fastening screws:
Stainless steel A2-70/EN ISO 3506

Grip rings:
POM

All metal, rubber, and coatings used have been designed for contact with water for human consumption, pursuant to the terms of Italian Health Ministry decree n° 174, dated 6/4/2004.