Text version of the page

Butter y valve Si-203 ENType VSS

Edition: 2008-06 SOMAS Butterfly Valve type VSSAdvanced triple eccentric designis designed for control and shut-off applicationsis designed for applications up to 350 °C (662 °F)has a tightness class in accordance with IEC 534-4 Class V as standardhas a solid seat made of stainless steelis designed to be mounted between flanges alt. with lugsOptionPTFE-seat High temperature applications up to 550 °C (1022 °F)

Nominal pressure – PN 10 - 25 Nominal size – DN 80 - 1200 Material – Stainless steel

SOMAS butterfly valves, type VSS is used as a control, on/off and shut-off valve. The VSS valve is designed to handle a wide range of liquids, gases and steam within a broad temperature range.The valves have an advanced triple eccentric design including a unique shape of the disc allows the use of a solid stainless steel seat. The solid seat remains un-affected by high flow velocities and temperatures. A good valve function is achieved even on difficult applications.The seat is replaceable in alternative materials. The VSS valve can be mounted between flanges and is also supplied in lugged design.The SOMAS valves are delivered ready for installation and operation. The valve assemblies are delivered factory tested as complete units with actuators, positioners and accessories.