2671 BURKERT | Alldatasheet
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Visit product website DATA SHEET Type 2052 Pneumatic rotary ac- tuator Type 2051 Pneumatic rotary ac- tuator Type 3003 Electrical Rotary Actua- tor - On/Off and control Type 3004 Explosion Proof Rotary Actuator - On/Off and control Type 3005 Electric Rotary Actuator - On/Off and Control Type 1061 Accessory for pneumat- ic rotary actuators Type 8792 Digital electropneumat- ic Positioner SideCon- trol 1000205027 | Standard | EU | en | 202106 | 09 Butterfly valve
- Manually oper ated / Automatable High flow values Shaft and body ar e non-wetted parts L ow torques Z ero leakage 2/2 way butterfly valve in metal for shutting off and controlling media flows. Based on the fact that the butterfly valve is available in various designs (in- termediate flange, end flange) and in different materials, it meets the require- ments of various applications and processes. Preferential areas of application for butterfly valves are, for example, the metal industry, power plant technol- ogy, paper industry as well as mining, shipbuilding and mechanical engineer- ing. Further characteristics and advantages are:
- Through shaft for self-centering disc --> even wear and low torque
- PFA-coated shaft in the sealed area
- Blow-out proof shaft seal
- Spherically shaped disc
- Notched handle in ductile iron: lockable in 10 adjustable positions Product variants described in the data sheet may differ from the product presentation and description. Type descriptionCan be combined with Type 2671 © Christian Bürkert GmbH & Co. KG, Subject to alteration
2 | 13Visit product website Table of contents 1. Gener al Technical Data 3 Materials 3. Dimensions 4 3.2. Dimension for lug type 4. Performance specifications 6 4.2. T orque 4.3. Flow char acteristic 4.4. P ressure Loss Diagram 5. Or dering information 9 5.2. Bürk ert product filter 5.3. Or dering chart WAFER - EPT 5.4. Or dering chart LUG - EPT 5.5. Or dering chart WAFER - FKM 5.6. Or dering chart LUG - FKM 5.7. Or 5.8. Or dering chart LUG - NBR 5.9. Or dering chart WAFER - White EPT 5.10. Or dering chart LUG - White EPT 5.11. Or dering chart for hand levers 5.12. Or dering chart replacement liners
3 | 13Visit product website 1. Gener al Technical Data Product properties Dimensions Detailed information can be found in chapter “3. Dimensions” on page 4. Material Body GG25 Cast Iron, GGG50 Ductile Iron (other materials on request) Disc CF8M (other materials or coatings on request) Seal EPT, FKM, NBR, W-EPT (CSM, Silicone on request) Body Design Wafer, Lug Nominal diameter/Orifice DN 40…300 Media data Medium temperature Detailed information can be found in chapter “4.1. Pressure temperature diagram” on page 6. Medium pressure Detailed information can be found in chapter “4.1. Pressure temperature diagram” on page 6. Process/Port connection & communication Port connection EN1092−1 & EN1092−2 ASME/ANSI B16.1 Class 125 ASME/ANSI B16.5 Class 150 (Detailed information can be found in chapter “3. Dimen- sions” on page 4.) Approvals and certificates ISO top flange EN ISO 5211 Considered standards ISO 5208 ASME B16.34 API 609 Conformity (sealing material W-EPT) FDA 2. Mat erials 2.1. Chemical Resistance Char t – Bürkert resistApp Bürkert resistApp – Chemical Resistance Chart You want to ensure the reliability and durability of the materials in your individual application case? V erify your combination of media and materials on our website or in our resistApp. Start Chemical Resistance Check
4 | 13Visit product website 3. Dimensions 3.1. Dimension for wafer type Note: Dimensions in mm P ipe limit size > C Flange Ratings: PN 10, 16 acc. t o EN1092 1 & EN1092 ASME / ANSI B16.1 Class 125 & Class 150 AS T able E JIS 10K Size Face to Face Maße Mounting flange (ISO5211) Shaft end Weight mm Inch L H1 H2 ØD C C1 Type PCD ØB B1 ¨B kg 40 1.5 33 60 120 81 34 7 F05/07 50/70 14 19 11 2.00 50 2 43 65 143 96 39 8 F05/07 50/70 14 19 11 3.00 65 2.5 46 71 155 110 55 13 F05/07 50/70 14 19 11 3.80 80 3 46 77 162 124 69 19 F05/07 50/70 14 19 11 4.00 100 4 52 107 181 148 91 27 F05/07 50/70 14 19 11 5.30 125 5 56 122 197 180 115 36 F05/07 50/70 18 19 14 7.30 150 6 56 150 210 206 140 47 F05/07 50/70 18 19 14 8.20 200 8 60 165 240 259 186 68 F101.)/F12 102/125 22 24 17 13.50 250 10 68 201 286 320 239 90 F101.)/F12 102/125 25 24 19 21.20 300 12 78 234 309 370 289 111 F10 1.)/F12 102/125 28 24 22 32.50 1.) Other dimensions on request
5 | 13Visit product website 3.2. Dimension for lug type Note: Dimensions in mm P ipe limit size > C F urther flange ratings on request Flange Ratings: PN 16 gem. EN1092 1 & EN1092 Size Face to Face Maße Mounting flange (ISO5211) Shaft end Weight mm Inch L H1 H2 ØD C C1 Type PCD ØB B1 ¨B kg 40 1.5 33 60 120 81 34 7 F05/07 50/70 14 19 11 2.2 50 2 43 65 143 96 39 8 F05/07 50/70 14 19 11 3.4 65 2.5 46 71 155 110 55 13 F05/07 50/70 14 19 11 4 80 3 46 77 162 124 69 19 F05/07 50/70 14 19 11 4.5 100 4 52 89 181 148 91 27 F05/07 50/70 14 19 11 7.6 125 5 56 112 197 180 115 36 F05/07 50/70 18 19 14 9.5 150 6 56 123 210 206 140 47 F05/07 50/70 18 19 14 10.4 200 8 60 150 240 259 186 68 F101.)/F12 102/125 22 24 17 17.5 250 10 68 179 286 320 239 90 F101.)/F12 102/125 25 24 19 26.5 300 12 78 216 309 370 289 111 F10 1.)/F12 102/125 28 24 22 43.5 1.) Other dimensions on request
6 | 13Visit product website 4. P erformance specifications 4.1. P ressure temperature diagram -30 -20 -18 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 204 210 FKM NBR CSMEPDMEPT W-EPT Silicone Temperature (°C) Pressure (bar) 4.2. T orque Note: Seating / unseating t orque values above included friction bearing torque for stated Δp. F or actuator dimensioning we recommend considering a safety factor of minimum 30 T est medium: Water at room temperature Size Differential pressure1.) 6 kg/cm2 10 kg/cm2 16 kg/cm2 [mm] [inch] [Nm] [Nm] [Nm] 40 1.5 4.5 4.5 4.5 50 2 10 10 11.5 65 2.5 13 13.5 15 80 3 19.6 19.6 19.6 100 4 29.4 29.4 34.3 125 5 44.1 44.1 54 150 6 58 72 80 200 8 120 125 130 250 10 170 185 200 300 12 352 357 450 1.) Lubricating (non corrosive)
7 | 13Visit product website 4.3. Flow char acteristic Note: Butt erfly valves can be used as a control valve at an opening angle between 30° and 90°. A regulation to an opening angle below 30° is not recommended due to high flow rates and cavitation, which results in early damage of the valve. The max. flow r ate of the medium through the butterfly valve must not be exceeded. 3 m/s for liquid media. The use between 3 and 5 m/s is possible. However, this incr eases the risk of cavitation, noise, vibrations and pressure surges. 20 m/s for gas. The use between 20 and 25 m/s is possible. However, this incr eases the risk of cavitation, noise, vibrations and pressure surges. Size Flow coefficient CV [US gpm]1.) Opening angle 1.) CV = 1.17KV
8 | 13Visit product website 4.4. P ressure Loss Diagram Note: Pressure drop diagram for water at 20 300 200 150 100 1.5 0.8 0.6 0.4 0.3 0.2 0.15 0.1 0.08 0.06 0.04 0.03 0.02 0.15 0.01 0.008 0.006 0.004 0.003 0.002 0.0015 0.0010 0.0008 0.0006 0.0004 0.0003 0.0002 30,000 20,000 15,000 10,000 8,000 6,000 5,000 4,000 3,000 2,000 1,500 1,000 800 600 500 400 300 200 150 100 2 1/2 20° 30° 40° 50° 60° 70° 80° 90° 24" 20" 18" 16" 14" 12" 10" PIPE LINE VELOCITY( F.P.S )
9 | 13Visit product website 5. Or dering information 5.1. Bürk ert eShop – Easy ordering and quick delivery Bürkert eShop – Easy ordering and fast delivery You want to find your desired Bürkert product or spare part quickly and order dir ectly? Our online shop is available for you 24/7. Sign up and enjoy all the benefits. Order online now 5.2. Bürk ert product filter Bürkert product filter – Get quickly to the right product Y ou want to select products comfortably based on your technical requirements? Use the Bürkert product filter and find suitable articles for your application quickly and easily. Try out our product filter 5.3. Or dering chart WAFER - EPT Orifice Body material Disc ma- terial Liner Max. pres- sure Weight bare shaft Weight with lever Article no. [mm] [mm] [bar] [kg] [kg] bare shaft with lever 40 GGG50 CF8M EPT 16 2 2.7 773687 773649 50 GG25 CF8M EPT 16 3 3.7 773688 773650 65 GG25 CF8M EPT 16 4 4.7 773669 773651 80 GG25 CF8M EPT 16 4 4.7 773670 773652 100 GG25 CF8M EPT 16 6 6.7 773671 773653
125 GG25 CF8M EPT 16 8 9 309094 773654
150 GG25 CF8M EPT 16 9 10 773673 773655
200 GGG50 CF8M EPT 16 14 16 773674 773656
250 GGG50 CF8M EPT 16 22 24 773675 773657
300 GGG50 CF8M EPT 16 33 35 773676 773658
10 | 13Visit product website 5.4. Or dering chart LUG - EPT Orifice Body material Disc ma- terial Liner Max. pres- sure Weight bare shaft Weight with lever Article no. [mm] [mm] [bar] [kg] [kg] bare shaft with lever 40 GGG50 CF8M EPT 16 3 3.7 773689 773686 50 GGG50 CF8M EPT 16 4 4.7 773677 773659 65 GGG50 CF8M EPT 16 4 4.7 773678 773660 80 GGG50 CF8M EPT 16 5 5.7 309102 773661 100 GGG50 CF8M EPT 16 8 8.7 773680 773662
125 GGG50 CF8M EPT 16 10 11 773681 773663
150 GGG50 CF8M EPT 16 11 12 773682 773664
200 GGG50 CF8M EPT 16 18 20 773683 773665
250 GGG50 CF8M EPT 16 27 29 773684 773666
300 GGG50 CF8M EPT 16 44 46 773685 773667
5.5. Or dering chart WAFER - FKM Orifice Body material Disc ma- terial Liner Max. pres- sure Weight bare shaft Weight with lever Article no. [mm] [mm] [bar] [kg] [kg] bare shaft with lever 40 GGG50 CF8M FKM 10 2 2.7 20005725 20005728 50 GG25 CF8M FKM 10 3 3.7 336020 20005729 65 GG25 CF8M FKM 10 4 4.7 325576 20005730 80 GG25 CF8M FKM 10 4 4.7 366487 20005731 100 GG25 CF8M FKM 10 6 6.7 322900 382823
125 GG25 CF8M FKM 10 8 9 356154 368992
150 GG25 CF8M FKM 10 9 10 315045 20005732
200 GGG50 CF8M FKM 10 14 16 315046 20005734
250 GGG50 CF8M FKM 10 22 24 20005726 20005735
300 GGG50 CF8M FKM 10 33 35 20005727 20005736
5.6. Or dering chart LUG - FKM Orifice Body material Disc ma- terial Liner Max. pres- sure Weight bare shaft Weight with lever Article no. [mm] [mm] [bar] [kg] [kg] bare shaft with lever 40 GGG50 CF8M FKM 10 3 3.7 20005737 20005748 50 GGG50 CF8M FKM 10 4 4.7 20005739 20005750 65 GGG50 CF8M FKM 10 4 4.7 20005740 20005751 80 GGG50 CF8M FKM 10 5 5.7 20005741 20005752 100 GGG50 CF8M FKM 10 8 8.7 20005742 20005754
125 GGG50 CF8M FKM 10 10 11 20005743 20005755
150 GGG50 CF8M FKM 10 11 12 20005744 20005756
200 GGG50 CF8M FKM 10 18 20 20005745 20005757
250 GGG50 CF8M FKM 10 27 29 20005746 20005759
300 GGG50 CF8M FKM 10 44 46 20005747 20005760
11 | 13Visit product website 5.7. Or dering chart WAFER - NBR Orifice Body material Disc ma- terial Liner Max. pres- sure Weight bare shaft Weight with lever Article no. [mm] [mm] [bar] [kg] [kg] bare shaft with lever 40 GGG50 CF8M NBR 16 2 2.7 20005761 20005771 50 GG25 CF8M NBR 16 3 3.7 20005762 20005772 65 GG25 CF8M NBR 16 4 4.7 20005763 20005773 80 GG25 CF8M NBR 16 4 4.7 20005764 20005774 100 GG25 CF8M NBR 16 6 6.7 20005766 20005775
125 GG25 CF8M NBR 16 8 9 20005767 20005776
150 GG25 CF8M NBR 16 9 10 367409 20005777
200 GGG50 CF8M NBR 16 14 16 20005769 20005778
250 GGG50 CF8M NBR 16 22 24 20005770 20005779
300 GGG50 CF8M NBR 16 33 35 385537 20005780
5.8. Or dering chart LUG - NBR Orifice Body material Disc ma- terial Liner Max. pres- sure Weight bare shaft Weight with lever Article no. [mm] [mm] [bar] [kg] [kg] bare shaft with lever 40 GGG50 CF8M NBR 16 3 3.7 20005781 20005795 50 GGG50 CF8M NBR 16 4 4.7 20005782 20005796 65 GGG50 CF8M NBR 16 4 4.7 20005783 20005798 80 GGG50 CF8M NBR 16 5 5.7 20005784 20005799 100 GGG50 CF8M NBR 16 8 8.7 20005786 20005800
125 GGG50 CF8M NBR 16 10 11 20005787 20005802
150 GGG50 CF8M NBR 16 11 12 20005790 20005803
200 GGG50 CF8M NBR 16 18 20 20005791 20005806
250 GGG50 CF8M NBR 16 27 29 20005793 20005811
300 GGG50 CF8M NBR 16 44 46 20005794 20005814
5.9. Or dering chart WAFER - White EPT Orifice Body material Disc ma- terial Liner Max. pres- sure Weight bare shaft Weight with lever Article no. [mm] [mm] [bar] [kg] [kg] bare shaft with lever 40 GGG50 CF8M W-EPT 6 2 2.7 20005815 20005827 50 GG25 CF8M W-EPT 6 3 3.7 20005816 20005829 65 GG25 CF8M W-EPT 6 4 4.7 20005818 20005830 80 GG25 CF8M W-EPT 6 4 4.7 20005819 20001197 100 GG25 CF8M W-EPT 6 6 6.7 347549 20005831
125 GG25 CF8M W-EPT 6 8 9 20005820 20005832
150 GG25 CF8M W-EPT 6 9 10 20005823 20005833
200 GGG50 CF8M W-EPT 6 14 16 20005824 20005834
250 GGG50 CF8M W-EPT 6 22 24 20005825 20005835
300 GGG50 CF8M W-EPT 6 33 35 20005826 20005836
12 | 13Visit product website 5.10. Or dering chart LUG - White EPT Orifice Body material Disc ma- terial Liner Max. pres- sure Weight bare shaft Weight with lever Article no. [mm] [mm] [bar] [kg] [kg] bare shaft with lever 40 GGG50 CF8M W-EPT 6 3 3.7 20005837 20005849 50 GGG50 CF8M W-EPT 6 4 4.7 20005838 20005850 65 GGG50 CF8M W-EPT 6 4 4.7 20005839 20005852 80 GGG50 CF8M W-EPT 6 5 5.7 20005840 20005853 100 GGG50 CF8M W-EPT 6 8 8.7 20005841 20005854
125 GGG50 CF8M W-EPT 6 10 11 20005842 20005855
150 GGG50 CF8M W-EPT 6 11 12 20005844 20005856
200 GGG50 CF8M W-EPT 6 18 20 20005845 20005858
250 GGG50 CF8M W-EPT 6 27 29 20005847 20005860
300 GGG50 CF8M W-EPT 6 44 46 20005848 20005861
5.11. Or dering chart for hand levers Orifice Article no. [mm] 40…100 774667 125…150 774668 200…300 774669 5.12. Or dering chart replacement liners Orifice EPT FKM NBR White EPT [mm] Article no. Article no. Article no. Article no. 40 773949 775152 775162 775172 50 773950 775153 775163 775173 65 773951 775154 775164 775174 80 773952 775155 775165 775175 100 773953 775156 775166 775176 125 773954 775157 775167 775177 150 773955 775158 775168 775178 200 773956 775159 775169 775179 250 773957 775160 775170 775180 300 773958 775161 775171 775181
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