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9

www.stauff.com/6/en/#9

Catalogue 6

§

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