NKS, MKS - Bopp & Reuther Sicherheits- und Regelarmaturen GmbH
NKS, MKS - Bopp & Reuther Sicherheits- und Regelarmaturen GmbH
NKS, MKS - Bopp & Reuther Sicherheits- und Regelarmaturen GmbH
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Gate Valve Enquiry Form (specifications)<br />
Size<br />
DN ________________<br />
DN ________________<br />
Pressure rating<br />
PN 10 PN 16 PN 25 PN 40<br />
PN 63 PN 100 PN 160<br />
Operating pressure<br />
[bar] __________________<br />
Pressure drop (∆p)<br />
[bar] __________________<br />
Safety Class<br />
SC 1 SC 2 SC 3 SC 4 SC 5<br />
Medium<br />
Water Steam __________________<br />
Body Material<br />
C22.8 1.4550 1.4408 _____________<br />
Piping connection<br />
Dye forged shell body<br />
(DN 50 – 300)<br />
Welded body<br />
(DN 350 – 600)<br />
Flange Welded end<br />
Actuator<br />
Hand wheel<br />
Electric Control: Position control<br />
Installation<br />
Torque control<br />
Upright 45° 90° 180°<br />
Design features<br />
Seat hard facing: Stellite 21 Cobalt free<br />
Wedge<br />
positioning:<br />
Body fracture<br />
protection:<br />
Wedge plate<br />
guidance in the<br />
body:<br />
Thrust pad Spring loaded with<br />
belleville springs<br />
Seat ring drilled<br />
Wedge plates drilled<br />
External safety valve<br />
Not required<br />
Replaceable guides<br />
Integral hard faced<br />
Venting (of the body above the wegde plates)<br />
Belleville spring column for the linear unit for setting the valve<br />
stiffness in closed position<br />
General requirements (Standard features)<br />
Integrity and functionality after actuator switch failure<br />
Seismic requirements EVA<br />
7
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