Burkert Type 2301 - Manual (Page 21)

21
Technical data
7.6 general technical data
control functions (cf) The valve seat is always closed against
the medium flow
Control function A Normally closed by spring action
Control function B Normally open by spring action
Control function I Actuating function via reciprocal pressur-
ization
(not for actuator size ø 50 mm in combi-
nation with Type 8696)
actuator sizes ø 50 mm
ø 70 mm
ø 90 mm
ø 130 mm
materials
Valve body
316L
Actuator PPS and stainless steel
Sealing elements FKM and EPDM
Spindle sealing PTFE V rings with spring compensation
(with silicone grease)
Control cone Control cone with PTFE seal
Steel / steel seal
Spindle 1.4401 / 1.4404
Spindle guide 1.4401 / 1.4404 / 316L
connections
Pilot air port prepared for direct connection
Medium connection Threaded port: G ½ – G 4
(NPT, RC on request)
Welded connection: as per EN ISO 1127
(ISO 4200), DIN 11850 R2
Flange: as per DIN 2634,
ANSI B16.5 Class 150, JIS 10K
Other connections on request
media
Control medium neutral gases, air
Flow media Water, Alcohol, Fuel,
Hydraulic liquids, Saline solutions,
Lyes, Organic solvents
installation position as required, preferably with actuator in
upright position
protection class IP67 in accordance with IEC 529/EN 60529
english
Type 2301