Page 200 - Bürkert

Ordering Chart
Max. operating Item no. Max. operat- Item no.
Orifice Kv value Actuator Pilot pressure pressure mech. polished ing pressure mech. polished
[m /h] size Ø range [bar] Ra ≤ 0.6 µm [bar] Ra ≤ 0.6 µm
3
[mm] [inch] [mm] [bar] EPDM EPDM PTFE / EPDM PTFE / EPDM
Body with weld end connection
Acc. to EN ISO 1127 / ISO 4200
8 1/4 1 50 5 - 10 10 218 005 10 218 012 2103

15 1/2 5.5 70 5 - 10 10 218 006 10 218 013
20 3/4 10 70 5 - 10 10 218 007 10 218 014

25 1 14 70 5 - 10 6.5 218 008 6 218 015
90 5.5 - 10 10 218 009 8 218 016

40 1 1/2 30 130 5 - 7 10 218 010 10 218 017

50 2 51.5 130 5 - 7 8 218 011 7 218 018
Acc. to DIN 11850 Series 2
10 3/8 1 50 5 - 10 10 218 019 10 218 026
15 1/2 5.5 70 5 - 10 10 218 020 10 218 027

20 3/4 10 70 5 - 10 10 218 021 10 218 028

25 1 14 70 5 - 10 6.5 218 022 6 218 029
90 5.5 - 10 10 218 023 8 218 030

40 1 1/2 30 130 5 - 7 10 218 024 10 218 031

50 2 51.5 130 5 - 7 8 218 025 7 218 032
Acc. to ASME BPE
8 1/4 1.0 50 5 - 10 10 218 033 10 218 041
10 3/8 1.0 50 5 - 10 10 218 034 10 218 042

15 1/2 5.5 70 5 - 10 10 218 035 10 218 043
20 3/4 10.0 70 5 - 10 10 218 036 10 218 044

25 1 14.0 70 5 - 10 6.5 218 037 6 218 045

90 5.5 - 10 10 218 038 8 218 046
40 1 1/2 30 130 5 - 7 10 218 039 10 218 047

50 2 51.5 130 5 - 7 8 218 040 7 218 048
Acc. to BS 4825
8 1/4 1.0 50 5 - 10 10 218 049 10 218 053

10 3/8 1.0 50 5 - 10 10 218 050 10 218 054
15 1/2 5.5 70 5 - 10 10 218 051 10 218 055

20 3/4 10.0 70 5 - 10 10 218 052 10 218 056

199