Resilient seated Gate Valves Series 421 / 420

Gate valves with soft seal are intended for use in water transport system, especially for potable water as well as sewage from sanitary and industrial systems. They may be used in above-ground and underground applications, in horizontal pipelines. Series 420 only on request.

NOMINAL SIZE:

DN32 - DN600

BODY MATERIAL

Ductile cast iron

EN-GJS-400-15 or EN-GJS-500-7

EN 1563

BODY TYPE:

Flanged

WORKING PRESSURE:

6 bar / 10 bar / 16 bar

FLANGE CONNECTION:

PN10 / PN16 / PN25 

WORKING TEMPERATURE:

-20°C / +70°C

WORKING MEDIA:

Potable and industrial water, sewage from sanitary and industrial systems

MAXIMAL MEDIUM FLOW RATE:

Liquids up to 4 [m/s]

Gas up to 30 [m/s]

WEDGE:

NBR / EPD Fully vulcanized