Control Valve 8021
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with integrated positioner GS 3 series - DN 15 up to DN 250 Pneumatic control valve for the control of neutral and aggressive fluids with integrated positioner • pace saving wafer type construction S • owest possible weight L • Quiet operation • ast response time F • ontrol of high differential pressures with small actuators C • reatly reduced energy consumption rates due to short strokes and low G actuating forces on the throttle element • High Kvs-values Technical Information Design Nominal Sizes Nominal pressure acc. EN 1333 Nominal pressure acc. ANSI Nominal pressure acc. JIS for flanges with raised face Fluid Temperature Ambient temperature* Rangeability / Characteristic analog positioner digital positioner Leakage % of Kvs IEC 60534-4 EN 12266-1 Spezific leckage rate shaft and body sealing Marking ATEX non electric wafer-type design for flanges acc. DIN EN 1092-1 Form B or ASME B16.5 RF further versions see data sheet 8021-GS1 DN 15 - 250, 1/2“ - 12“ PN 40 (fits also to DN 15 - DN 150 PN10-PN25) PN 100 DN 15 - DN 80 PN 16 DN 200 - DN 250 ANSI 150 DN15 - DN 250 ANSI 300 DN 15 - DN 150 ANSI 600 DN 15 - DN 80 10K DN 15 - DN 50 20K DN 15 - DN 40 Versions from -60°C up to 350°C -30°C up to +100°C 30 : 1 40 : 1 linear / 80 : 1 equal percentage Disc pair Disc pair Disc pair Carbon-stainless SFC STN 2 steel < 0,0001 < 0,0005 < 0,001 IV-S1 IV-S1 IV D E E ISO FE-BH-CC3-SSA0-t(-40°C/+350°C)-PN40-ISO 15848-1 II 2G Ex h IIC T6…T1 X Gb II 2D Ex h IIIC 85°C…530°C X Db stainless steel or carbon steel body body made of Alloy C-276 * Please consider the limitation of use of the positioner! ** With DN15 with reduction of less than 25%, different leakage rates possible. Kvs-values see data sheet 8001 Fluid temperature Rating Positioner For technical information of our positioners please refer to the corresponding data sheets. Schubert & Salzer Control Systems GmbH, Bunsenstr. 38, 85053 Ingolstadt, Tel: +49 (0)841-9654 0, Fax: +49 (0)841 9654 590 info.cs@schubert-sa

Control Valve 8021-GS3 with integrated positioner Material Valve body Bodycover Valve stem coupling ring Packing tube Packing Body seal Fixed disc Sliding disc Stainless steel version stainless steel, 1.4408 stainless steel, 1.4404 or 316L stainless steel 1.4571, roller burnished Stainless steel 1.4581 Stainless steel 1.4408 PTFE carbon filled (spring 1.4310) Graphite with stainless steel foil stainless steel coated STN2-disc special carbon material SFC-disc (max. +300°C) STN2-disc Valve body Bodycover Valve stem coupling ring Packing tube Packing Body seal Fixed disc Sliding disc carbon...

with integrated digital positioner, Type 8049 (also on-off valves and valves with other side-mounted positioner) Admissible differential pressures For temperatures of 120°C (PN) or 38°C (ANSI) and above: obey application limits! (For temperatures of up to 120°C with PN-rating up to 38°C with ANSI-rating) Disc pair: Carbon - stainless steel coated / SFC - stainless steel coated / Carbon - Alloy C-276 coated Actuator Size Supply air (bar) DN 15 ** 20 25 ** 32 40 ** 50 ** 65 80 ** 100 125 150 200 250 Spring Configuration Standard * Values in brackets for valves made of carbon steel or Alloy...

Control Valve 8021-GS3 with integrated p/p and i/p - positioner, Type 8047 Admissible differential pressures For temperatures of 120°C (PN) or 38°C (ANSI) and above: obey application limits! (For temperatures of up to 120°C with PN-rating up to 38°C with ANSI-rating) Disc pair: Carbon - stainless steel coated / SFC - stainless steel coated / Carbon - Alloy C-276 coated Actuator size Spring range (bar) Supply air (bar) Upper limits of the pressure rating PN16 P max. carbon steel/ Alloy C-276 P max. stainless steel Upper limits for admissible pressures in bar PN100 ANSI150 ANSI 300

Control Valve 8021-GS3 with integrated p/p and i/p - positioner, Type 8047 Admissible differential pressures For temperatures of 120°C (PN) or 38°C (ANSI) and above: obey application limits! (For temperatures of up to 120°C with PN-rating up to 38°C with ANSI-rating) Disc pair: STN 2 / STN 3 Actuator Size Spring Range (bar) Supply air (bar) Standard * Values in brackets for valves made of carbon steel or Alloy C-276 ** Size available in Alloy C-276 version Upper limits of the pressure rating PN16 P max. carbon steel/ Alloy C-276 P max. stainless steel Upper limits for admissible pressures...

Control Valve 8021-GS3 with integrated positioner Ordering Number System 8 Symbol: Type 1 - 5 : Please quote all 5 sections. 6 - 12: Quote only if required. Size "R": Repair kit (sealings) Function GS-control valve with pneumatic actuator (type 8021) Body design GS3-flangeless design acc. ANSI 150 Body material carbon steel 1.0619 Safety function spring closes spring opens Springs Standard Flow characteristic linear Positioners without Signalling equipment without i/p positioner Type 8047 i/p positioner with plug connec. M12x1 dig. positioner, Type 8049, 4-wire dig. positioner, Type 8049,...

Control Valve 8021-GS3 with integrated positioner Application limitations for GS3 valves in carbon steel These pressure must not be exceeded for GS-valves from the GS3-series made of carbon steel, even though the actuator power might allow it. Limitation for SFC-sliding discs: 300°C

Control Valve 8021-GS3 with integrated positioner Type 8049 Dimensions and Weights digital - positioner Type 8049

Control Valve 8021-GS3 with integrated i/p and p/p-positioner Type 8047 Dimensions and Weights Text and pictures are not binding. We reserve the right, to alter the equipment. 8021-GS3 - data sheet /Version: 16.09.2021