Catalogue 6 - STAUFF Valves

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9 Catalogue 6 § Edition 02/2019
Introduction
a Ball valve body made of European quality steel with the
option of full material identification and retraceability
b Ball with a full bore with no cross-section restriction in the ball valve
c Hard chrome-plated balls to reduce friction and seat wear
d Ball seats made of Delrin® (POM) to assure low operating torques
e No exposed threads in the flow passage
f High-quality design with a large thrust washer (strength of 1mm)
and back-up ring to protect the o-ring against extrusion
Gradual changeover of the standard surface coating of
selected series from "Carbon Steel, zinc/iron-plated"
to "Carbon Steel, zinc/nickel-plated"
a
b
c
d
e f
Design Features of STAUFF Valves