0570.26_04_Catalogue_Industry_EN
134Pages

Industry, Building services Diaphragm Valves, Actuators, Swing Check Valves

Resistance of materials Fields of application 1) Warm- and hot water, waste water, acids and caustics Drinking water; cold- and warm water Reinforced for higher stresses; vacuum application; sterile steam and condensation Warm and hot water; weakened and concentrated caustics; abrasive media Concentrated acids and caustics; chlorous media Oil and grease; oil containing compressed air; paraffine; petrol Highest chemical strains; food; chlorous media Highest chemical strains; food; chlorous media Food; water incl. sea water; oil and grease  ECTFE (Halar) Highest chemical strains; acids and...

Material deignation Material designation No. of material European standard Previous symbol

Operating range of materials Operating range of materials SISTO-KB straight through type with flanges PN 10, DN 15 – 200 Body lining

Operating range of materials face to face length: DIN 3202/F1, ISO 5752-1 with flanges face to face length: BS 5156, ISO 5752-7 PN 16, DN 15 – 200 Body coating Body lining Body coating Body lining

List of Type Series List of Type Series Diaphragm valves SISTO-KB Maintenance-free diaphragm valve, straight through type, with flanges Maintance-free diaphragm valve, with flanges Maintenance-free diaphragm valve, with flanges, face to face length EN558-1 R7 (BS 5156) Maintenance-free diaphragm valve with screwed ends, stainless steel Maintenance-free diaphragm valve, with flanges Maintenance-free diaphragm valve, with flanges Swing check valves SISTO-RSK/RSKS Maintenance-free swing check valve, softseated, with flanges; straight through type Actuators SISTO-LAD Pneumatic diaphragm...

Diaphragm valves

SISTO-KB – Soft-seated Glandless Diaphragm Valves Diaphragm Valves ▪ Activated sludge ▪ Brackish water Diaphragm Valves – No Dead Volume, Softseated, Glandless ▪ Service water ▪ Distillate ▪ Digested sludge ▪ Solids-laden fluids ▪ Solids (ore, sand, gravel, ash) ▪ River water, lake water and groundwater ▪ Toxic fluids ▪ Corrosive fluids ▪ Cooling water ▪ Volatile fluids ▪ Solvents ▪ Seawater ▪ Fluids containing mineral oils ▪ Organic fluids ▪ Polymerising/crystallising fluids ▪ Raw sludge ▪ Lubricants ▪ Waste water ▪ Brine Main applications ▪ Mining ▪ Chemical industry ▪ Drainage ▪ Drainage...

SISTO-KB – Soft-seated Glandless Diaphragm Valves Piston diameter Permissible control pressure P ctr. perm. Pneumatic actuators from SISTO are suitable for compressed air of purity class 5:4:4 in accordance with ISO 8573-1. If there is a risk of frost, purity class 5:3:4 must be applied to prevent damage caused by icing. Valve body materials Overview of available materials Material Material number Temperature limit Design details Design ▪ Soft-seated shut-off valve in straight-way pattern ▪ Shut-off and sealing to atmosphere by diaphragm ▪ Position indicator with integrated stem protection...

SISTO-KB – Soft-seated Glandless Diaphragm Valves Product benefits ▪ Reliable sealing to atmosphere and absolutely tight shutoff The diaphragm provides absolutely tight shut-off as well as hermetic sealing to atmosphere and of all operating elements. procedure and separate evidence of compliance must be provided (e.g. EC Declaration of Conformity or manufacturer's declaration). Related documents Information/documents ▪ Low flow resistance coefficient Streamlined straight-through type body design ▪ Excellent resistance to corrosion and abrasion High-quality linings offer reliability and a...

SISTO-KB – Soft-seated Glandless Diaphragm Valves Materials Materials of SISTO-KB manually operated valve Parts list Part No. Material number Body Handwheel cover Bonnet Stem Thrust bearing Diaphragm Locking sleeve Locking sleeve Threaded bush Bearing disc PTFE disc Segmental disc Compressor Washer Washer Half round head grooved pin Cap Position indicator, lower part Position indicator, upper part Lubricating nipple Hexagon head bolt Stud Nut Nut Prevailing torque nut Circlip Circlip Key Handwheel Spring steel Spring steel EN-GJS-400-18C Steel PTFE/graphite A2 EN-GJL-250 A2 A2 4.6 PE ASA...

SISTO-KB – Soft-seated Glandless Diaphragm Valves Materials of SISTO-LAD diaphragm actuator LAD-AZ type LAD-SF type LAD-OF type * = shown offset by 90° Parts list Part No. Material number Lower housing section Upper housing section Bonnet Stem Piston rod O-ring Actuator diaphragm Guide bush Diaphragm plate Coupling Hexagon head bolt Compressed air port Nut Nut Spring Recommended spare parts We recommend having these parts replaced in our factory.

SISTO-KB – Soft-seated Glandless Diaphragm Valves Materials of SISTO-LAP piston actuator LAP-AZ type Parts list Part No. Material number Plain bearing AlMgSi AlCu4PbMgMn AlSi7Mg0.3 AlCu4PbMgMn AlSi7Mg0.3 Stainless steel X14CrMoS17 Stainless steel X14CrMoS17 Plastic – POM Lock washer Piston assembly Hexagon head bolt Stud Stud Recommended spare parts (= complete set of sealing elements) We recommend having these

SISTO-KB – Soft-seated Glandless Diaphragm Valves Material number

SISTO-KB – Soft-seated Glandless Diaphragm Valves Variants Variant illustrations of SISTO-KB manually operated valve With SISTO-LAD With SISTO-LAP With electric actuator Stem extension Chain wheel

SISTO-KB – Soft-seated Glandless Diaphragm Valves Variant illustrations of SISTO-LAD diaphragm actuator and accessories LAD-AZ type LAD-OF type LAD-SF type Configuration with positioner Configuration with proximity sensor 1) Filter/pressure reducer 2) Solenoid valve 3) Throttling valve Configuration with mechanical limit switches Configuration with solenoid valve

SISTO-KB – Soft-seated Glandless Diaphragm Valves Variant illustrations of SISTO-LAP piston actuator and accessories LAP-AZ type LAP-OF type LAP-SF type LAP-AZ type with emergency handwheel LAP-OF type with emergency handwheel LAP-SF type with emergency handwheel

SISTO-KB – Soft-seated Glandless Diaphragm Valves LAP-SF type with double piston Configuration with positioner Configuration with limit switches 1 1) Filter/pressure reducer 2) Solenoid valve Flange connection F10 Symbols key Symbol G M Description G1/8 in. for piston diameters 80/125/160 G1/4 in. for piston diameters 200/250/300 M12 for piston diameters 80/125 M20 for piston diameters 160 to 300 M24 for piston diameters D300/F14 optional Mating dimensions as per standard Flange connection: Pipe connection: LAP-AZ type with 5/2 directional control valve LAP-SF type with 3/2 directional...