ARI-STEVI Pro 422/462
20Pages

Control valve - straight through with screwed seat ring and double guided plug With pneumatic and electric actuators ARI-STEVI® 422 / 462 Pneumatic actuator ARI-DP 34 - 35 • Reversible pneumatic actuator • Actuator with rolling diaphragm • Air supply pressure max. 6 bar • Stem protection by bellow • Maintenance-free O-ring sealing • Assembly of additional devices acc. to DIN IEC 60534‑6 Page 4 ARI-STEVI® 422 / 462 Electric actuator ARI-PREMIO 5 kN - 25 kN ARI-PREMIO-Plus 2G 5 kN - 25 kN • Enclosure IP 65 • 2 torque switches • Handwheel • Additional devices available, e.g. potentiometer ARI-STEVI® 422 / 462 Electric actuator AUMA SAR 07.6 - 14.6 • Enclosure IP 67 • 2 torque switches • 2 travel switches • Handwheel • Overheating protection for motor as standard • Additional devices available, e.g. potentiometer • Explosion proof version available Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.c

III. Stainless steel-bellow with pure graphite-packing -60°C to 450°C III. Stainless steel bellows seal with EPDM-sealing -60°C to 150°C (allowed for water and steam up to 180°C) Stem sealing Intermediate values for max. permissible operational pressures can be determined by linear interpolation of the given temperature / pressure chart. 11 Valve with extended bonnet, studs and nuts made of A4-70 (at temperatures below -10°C) 2 Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armat

Plug design Plug design standard Parabolic plug, metal seat Plug design optional Plug shaft - Leakage class IV acc. to DIN EN 60534-4 - Flow characteristic: equal percentage (glp) (modified) linear (lin) Parabolic plug with PTFE-Soft seal (max. 200°C) - Leakage class VI acc. to DIN EN 60534-4 - Flow characteristic: - equal percentage (glp) (modified) - linear (lin) Plug shaft Parabolic plug with armoured sealing edge - Leakage class IV acc. to DIN EN 60534-4 - Flow characteristic: - equal percentage (glp) (modified) - linear (lin) Plug shaft Parabolic plug with Pressure balanced plug metal...

Further dimensions refer to pages 14-15. 4 Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com!

Actuator data Further technical data of the actuator: refer to data sheet ARI-DP. Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com! 5

max. permissible closing pressures on flow-to-open P2 = 0. Observe pressure-temperature-limits, refer to page 2. II. Fig. 422: PTFE- / pure graphite-packing III. Fig. 462: Bellows seal 1) max. differential pressure drop 2) Air supply pressure max. to actuator: 6 bar Restriction: a) 5 bar b) 4,5 bar c) 4 bar d) 3,5 bar e) 3 bar 6 Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com!

max. permissible closing pressures on flow-to-open P2 = 0. Observe pressure-temperature-limits, refer to page 2. II. Fig. 422: PTFE- / pure graphite-packing III. Fig. 462: Bellows seal 11 max. differential pressure drop 2) Air supply pressure max. to actuator: 6 bar Restriction: a) 5 bar b) 4,5 bar c) 4 bar d) 3,5 bar e) 3 bar Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com! 7

max. permissible closing pressures on flow-to-open P2 = 0. Observe pressure-temperature-limits, refer to page 2. II. Fig. 422: PTFE- / pure graphite-packing III. Fig. 462: Bellows seal 11 max. differential pressure drop 2) Air supply pressure max. to actuator: 5 bar Restriction: a) 5 bar b) 4,5 bar c) 4 bar d) 3,5 bar e) 3 bar 8 Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com!

max. permissible closing pressures on flow-to-open P2 = 0. Observe pressure-temperature-limits, refer to page 2. II. Fig. 422: PTFE- / pure graphite-packing III. Fig. 462: Bellows seal 1) max. differential pressure drop 2) Air supply pressure max. to actuator: 6 bar Restriction: a) 5 bar b) 4,5 bar c) 4 bar d) 3,5 bar e) 3 bar Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com! 9

Actuator data Further dimensions refer to pages 14-15. 10 Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com!

max. permissible closing pressures on flow-to-open P2 = 0. Observe pressure-temperature-limits, refer to page 2. Further operating speeds: refer to data sheet ARI-PREMIO/PREMIO-Plus 2G II. Fig. 422: PTFE- / pure graphite-packing III. Fig. 462: Bellows seal 1)max. differential pressure drop Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com! 11

For version with AUMA SAR Ex other heights. Further dimensions refer to pages 14-15. 12 Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com!

ARI-STEVI® 422 / 462 (DN200-250)Electric actuator AUMA SAR (MATIC) max. permissible closing pressures on flow-to-open P2 = 0. Observe pressure-temperature-limits, refer to page 2. II. Fig. 422: PTFE- / pure graphite-packing III. Fig. 462: Bellows seal 1) max. differential pressure drop 2) Restrictions through max. permissible torque of the actuator at controlling operation. Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com! 13

ARI-STEVI® 422 / 462 (DN200-250)Dimensions: Standard designControl valve in straightway form DN200-250 DN200-250 (e.g.: DP34-34Tri; PREMIO 12-15kN) (e.g.: AUMA SAR 07.6-10.2) 14 Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com!

Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com! 15

ARI-STEVI® 422 (DN200-250)Parts: Standard design 23 16 Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com!

Edition 05/17 - Data subject to alteration - Regularly updated data on www.ari-armaturen.com! 17