Burkert Type 2100 - Manual (Page 17)

17
Technical data
7.5. General technical data
Control functions (CF)
Control function A
Normally closed by spring action
Control function B Normally open by spring action
Control function I Actuating function via reciprocal
pressurization
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)
Seat seal
Swivel plate PTFE (NBR, EPDM, FKM on request)
Spindle 1.4401 / 1.4404
Spindle guide PEEK
Connections
Pilot air ports push-in connector 6/4 mm or 1/4”
others on request
Medium connection Socket: G ½ – G 2 ½ (NPT, RC on
request)
Welded connection: in accordance
with ISO 4200, DIN 11850 R2
other connections on request
Media
Control medium Neutral gases, air
Flow media Water, alcohol, fuel, hydraulic liquids,
saline solutions, lye, organic solvents
Installation as required, preferably with actuator in
upright position.
Protection class IP67 in accordance with IEC 529 /
EN 60529
english
Type 2100