Diaphragm Valve SISTO-16TWA/HWA/DLU PN16 DN 15-200 Maintenance-free Flanged Ends Type Series Booklet
Legal information/copyright Type Series Booklet SISTO-16TWA/HWA/DLU All rights reserved. The contents provided herein must neither be distributed, copied, reproduced, edited or processed for any other purpose, nor otherwise transmitted, published or made available to a third party without the manufacturer's express written consent. Subject to technical modification without prior notice. SISTO Armaturen S.A., Echternach, Luxemburg 30.06.2015
Diaphragm Valves Service water SISTO-16TWA/HWA/DLU SISTO-16DLU Compressed air up to 90 C Oil Oil-containing compressed air Technical gases Operating data Operating properties Characteristic Value Nominal pressure PN 16 Nominal size 1) DN 15-200 Max. permissible pressure 16 bar Max. permissible temperature 2) +140 C Main applications Pressure boosting Fire-fighting systems Domestic water supply Air-conditioning systems Cooling circuits Rainwater harvesting Shipbuilding Heat recovery systems Hot-water heating systems Fluids handled SISTO-16TWA Drinking water up to 90 C Drinking water, particularly drinking water installations to DIN 1988 Water containing chlorine Other fluids on request. SISTO-16HWA Hot water up to 140 C Body materials Overview of available materials Material Material number Temperature limit SISTO-16TWA EN-GJL-250 5.1301-10 C to +90 C 3) SISTO-16DLU EN-GJL-250 5.1301-10 C to +90 C SISTO-16HWA EN-GJL-250 5.1301-10 C to +140 C Design details Design SISTO-16TWA/HWA/DLU Soft-seated shut-off valve in straight-way pattern Rising handwheel Shut-off and sealing to atmosphere by completely enclosed diaphragm Position indicator with integrated stem protection Manufactured and tested to EN 13397 Marked in accordance with DIN EN 19 (ISO 5209) SISTO-16TWA = DVGW-approved for water 4) SISTO-16TWA = SVGW/SSIGE-approved for water SISTO-16TWA = ÖVGW-approved for water SISTO-16TWA = Belgaqua-approved for water The valves satisfy the safety requirements of Annex I of the European Pressure Equipment Directive 97/23/EC (PED) for fluids in Groups 1 and 2. The valves do not have a potential internal source of ignition and can be used in potentially explosive atmospheres, Group II, category 2 (zones 1+21) and category 3 (zones 2+22) to ATEX 94/9/EC. 1) From DN 100 we recommend installing a gearbox for operating pressures > 10 bar. 2) The temperatures indicated are for orientation only; they are not valid for all operating conditions. 3) Temperatures of +90 C for periods of up to one hour resulting from one-off incorrect system operation will not impair the valve's functioning. 4) Diaphragms in EPDM/W270 quality and bodies coated with Rilsan (PA) comply with the KTW recommendations for the use of elastomers in drinking water issued by the German Federal Office of Health. SISTO-16TWA/HWA/DLU 3
Variants Lead-sealable cap (prevents unauthorised actuation) Electric actuators Pneumatic actuators Stem extension Limit switches Locking device Leakage detection hole and additional stem seal Certification to customer specification Product benefits Reliable sealing ensured by one single sealing element the diaphragm which provides hermetic sealing to atmosphere and absolutely tight shut-off. The specially enclosed diaphragm ensures long service life and high operating reliability. Increased functional reliability of the diaphragm thanks to balanced diaphragm suspension Maintenance-free as all moving parts are separated from the fluid by the diaphragm. High level of reliability as the thrust bearing minimises the closing torques required. Optimised long-term operation as the position indicator with integrated stem protection prevents the ingress of contaminants. High level of reliability as the valve hydraulics without dead volume ensure optimum conditions for high-purity fluids. Long service life as the diaphragm support increases valve life and extends the pressure limit of the diaphragm. Related SISTO documents Operating manual 0570.821 Type series booklet SISTO-LAP (pneumatic actuators) 9210.1 Type series booklet SISTO-16 8635.1 On all enquiries/orders please specify Valve 1. Type 2. Nominal pressure 3. Nominal size 4. Operating pressure 5. Differential pressure 6. Operating temperature 7. Fluid handled 8. Pipe connection 9. Variants 10. Number of type series booklet 11. Certificate Actuator 1. Type 2. Control pressure P ctr 3. Accessories Flow characteristics Flow coefficients for unlined valves DN Kvs value [m³/h] DN Kvs value [m³/h] 15 7,7 65 141,0 20 11,5 80 195,0 25 14,0 100 304,0 32 35,0 125 298,0 40 43,0 150 601,0 50 72,0 200 478,0 4 SISTO-16TWA/HWA/DLU
Materials Parts list Part No. Description Material Material number Note 100 Body EN-GJL-250/Rilsan 5.1301 SISTO-16TWA (DVGW/KTW) 100 Body EN-GJL-250 5.1301 Standard SISTO-16HWA/DLU, DN 15; DN 200 = 5.3103 165 Bonnet EN-GJL-250 5.1301 Standard, SISTO-16HWA/DLU DN 15 = 1.0619 200 Stem X14CrMoS17 1.4104 443 5) Diaphragm EPDM/W 270 SISTO-16TWA (DVGW/KTW) 443 5) Diaphragm EPDM SISTO-16HWA 443 5) Diaphragm NBR SISTO-16DLU 550.1 Bearing disc 11SMnPb30 1.0718 For DN 32-200 550.2 PTFE disc PTFE/graphite For DN 32-200 553 Compressor EN-GJS-400-15 5.3106 GD-ZnAl4Cu1 for DN 15-25 554.1 Washer A2-70 554.2 Washer A2-70 621.1 Position indicator, lower part ASA Luran 621.2 Position indicator, upper part ASA Luran For DN 25-200 901.1 Hexagon head bolt A2-70 915 Floating nut 11SMnPb30 1.0718 926.1 Prevailing torque nut A2-70 951 Support spiral St 2K BK 961 Handwheel EN-GJL-200 5.1300 5) Recommended spare parts SISTO-16TWA/HWA/DLU 5
Variants With SISTO-LAD With SISTO-LAP With electric actuator Gearbox Stem extension Lead-sealable cap Limit switches, leakage detection hole, locking device 6 SISTO-16TWA/HWA/DLU
Dimensions Ø d H h ØD h1 h2 MD l Manually operated valve Prepared for SISTO-LAP Prepared for electric actuator Dimensions in mm DN Diaphragm MD (Ø/AxB) Manually operated valve l Ø D H h Ø d Handwheel turns approx. [kg] Prepared for actuator Centre-to-top height SISTO-LAP h1 Electric actuator h2 F 07/F 10 15 6) 40 130 95 8 104 60 3 3,0 On request On request 15 7) 65 130 95 13 150 100 4 3,0 210 210-20 65 150 105 13 150 100 4 3,5 210 210-25 65 160 115 13 150 100 4 4,0 210 210-32 92 180 140 22 192 100 7 7,0 230 230-40 92 200 150 22 192 100 7 7,5 230 230-50 115 230 165 30 231 125 8 11,0 250 250-65 168 290 185 45 322 200 (250) 8) 9 20,5 305 320 480 80 168 310 200 45 322 200 (250) 8) 9 23,0 305 320 480 100 202 350 220 60 388 250 (315) 8) 12 36,5 355 370 480 125 202 400 250 60 388 250 (315) 8) 12 44,0 355 370 480 150 280 480 285 80 512 400 (500) 8) 13 80,0 435 460 480 200 280 600 340 80 512 400 (500) 13 95,0 435 460 480 F14 Mating dimensions - Standards Face-to-face length: EN 558-1 R1 Flange dimensions: DIN EN 1092-2 Flange facing: DIN EN 1092-2 type B 6) HWA/DLU only 7) TWA only 8) On option for operating pressures > 10 bar SISTO-16TWA/HWA/DLU 7
SISTO Armaturen S.A. Zone Industrielle L-6468 Echternach Tel.: +352 325085-1 Fax: +352 328956 E-Mail: sisto@ksb.com www.sisto.lu 8635.33/22-EN 30.06.2015