Bellows sealed shut-off valves Type F 438 - Armaturenfabrik Franz Schneider GmbH + Co. KG

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Instrumentation Products - Shut-off valves

6.40

Catalogue page: PDF 6.40

Bellows sealed shut-off valves PN 100 DN 5 / DN 8
Type F 438

without safety packing (P1)

with safety packing (P5)

1 steel type
2 stainless steel type

The complete F438... depends on the corresponding connections and type.

Components	Steel	Stainless steel¹⁾
Components	DIN - Material Number
Body²⁾	1.0460	1.4571
Valve stem	1.4571
Needle tip⁴⁾	Stellite 6
Bellow	1.4571
Bonnet	1.4571
Safety packing	graphite
Handwheel³⁾	plastic

Body: die-pressed part
Surface: steel phosphatized
The bellows are submitted to a 100% Helium leak test.
Leak rate: 10 ^-8 mbar l/s

Valves for oxygen service on request.
Available with inspection certificate 3.1 acc. to EN 10 204
Can also be supplied with handwheel made of steel or aluminium
Also available with soft tip in KEL-F^® (PCTFE) or POM