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www.stauff.com/6/en/#9Catalogue 6
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Edition 11/2018
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