Samson 3347 - Page 24

3-8 EB 8097 EN
Design and principle of operation
Table3-2: Materials
Table3-2.1: Type3347 Valve
Material
Component Version DIN ANSI AFNOR
Body version
with lathed
seat
Cast 1.4409 CF3M Z2CND17-12
Bar stock 1.4404/1.4435
1)
316L
1)
Z2CND17-12
Micro-ow
valve (bar
stock)
1.4435 316L Z2CND17-12
Bonnet 1.4404/1.4409 316L Z2CND17-12
Plug
1.4404
1)
· Stellite
®
facing
316L
1)
· Stellite
®
facing
Z2CND17-12 ·
Stellite
®
facing
1)
Other materials available on request
Table3-2.2: Type3379 Pneumatic Actuator
Component Material
Housing and cover Stainless steel 1.4404/1.4409
Actuator stem 1.4404
Piston Polyamide, glass ber reinforced
Dome (visual indicator) Polycarbonate
Bearing Polymer
Spring Spring steel, powder coated
Seals NBR