PTFE-lined butterfly valve Bianca datasheet
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BIANCA - Butterfly valve DN 32-900 Description Centric butterfly valve Fluoroplastic lined for shut-off and control service in for aggressive and corrosive fluids and high purity applications. Designed and manufactured in Switzerland since 1995. Product features • Body construction B1 Wafer DN 32-600 B3 Lug DN 32-400 B4 U-section DN 400-900 • Face to face dimension according to ISO 5752/20, EN 558-1/20 • Top flange according to EN ISO 5211 • Max. working pressure 16 bar (DN 32-300) 10 bar (DN 350-600) 6 bar (DN 700-900) • Flange connection PN10, PN16, ANSI cl. 150 AS 2129 table D + E, JIS 10K and others • Temperature range -20°C ÷ 200°C according to working conditions, other temperatures on request • Factory tests Porosity check of the liner and overmoulded disc according to DIN EN 60243-1. Test certificates on request. Tightness test according to EN 12266-1 leakage rate A. The torque of each valve is recorded. BIANCA butterfly valves meet the safety requirements of the Pressure Equipment Directive 2014/68/EU (PED) appendix 1 for fluids of the groups 1 and 2. BIANCA Butterfly valves are suitable to be operated in safety related systems according to IEC 61508 / 61511, Safety Integrity Level SIL 3. Special versions of the Bianca valves may be used in potentially explosive atmospheres. TA-Luft EN ISO 15848 as an available option FDA and (EU) No. 10/2011 The Teflon® used for the Bianca is in compliance with FDA 21 CFR 177.1550 and (EU) No. 10/2011.

BIANCA - Butterfly valve DN 32-900 Overmoulding is mechanically locked on the disc Thin core, allows high kV flow rate Shaft overmoulded in the shaft sealing area Life loaded safety shaft sealing Self-lubricating shaft bushing Overmoulding with a min. thickness of 3 mm One-piece, blow out proof disc/shaft Two-piece body in ductile iron EN-JS 1025 External shaft seal 10 Chambered liner, prevents radial cold-flow 11 Elastomer backliner, immersed in body 12 TA-Luft VDI 2440 / EN ISO 15848 packing optional BIANCA HP cleanroom production Cleansing the parts with ultrapure water Material lock...

BIANCA - Butterfly valve DN 32-900 Kv values m3/h Opening angle of the valve DN Pressure / temperature diagram [bar] 16

BIANCA - Butterfly valve DN 32-900 Advantage of ULTRAFLON® liner Permeation Comparison of ULTRAFLON® - PTFE - PFA (film thickness 1mm) Under repeated load „Cold flow behavior“ Loading : 15 N/mm2, 4 cycles Duration : 100 hours each cycle Temperature : 23°C (73°F) Perm. deformation after 24 hours recovery Endurance test (tightness) ULTRAFLON® Zero leakage

BIANCA - Butterfly valve DN 32-900 Body type Nominal diameter U-section body DN 200-300 with all, DN 350-600 with 3LT/4LT/4T0 discs Flange connection Working pressure PN10/16/ANSI B16.5 cl150 see table below; others on request Ductile iron EN-JS 1025 / EN-GJS-400-18LT / ≈ ASTM A395 60-40-18, Epoxy coated 80 µm Stainless steel 1.4409 / ≈ ASTM CF3M Stainless steel 1.4408 / ≈ ASTM CF8M Stainless steel 1.4404 / ≈ AISI 316L Stainless steel 1.4408 / ≈ ASTM CF8M polished Ra < 0,8 Stainless steel 1.4404 / ≈ AISI 316L polished Ra < 0,8 Stainless steel 1.4435 / ≈ AISI 316L, Ferrite < 1%, e-polished...

BIANCA - Butterfly valve DN 32-900 Dimensions BIANCA B1, Wafer DN 32-65 1) DN 450 - 600, 2 x threads on valve neck and bottom Dimensions X and H are without safety factors! The customer must define safety distances to allow proper installation of the valve. www.interapp.net

BIANCA - Butterfly valve DN 32-900 Dimensions BIANCA B4, U-section DN 400-600 1) DN 450 - 900, 2 x threads on valve neck and bottom 2) DN 600 - 900, 2 threads on both sides HLA : Aluminum Epoxy coated AV * [kg] weight without butterfly valve

BIANCA - Butterfly valve DN 32-900 Material: GB 232 Aluminum, Polyurethane coated GB1250-GB6800 GG 25 Polyurethane coated * [kg] weight without butterfly valve and handwheel ** n = Handwheel turns ON/OFF Further documentation Pneumatic actuators, Electric actuators, Accessories please see respective data sheets. Installation guide, Maintenance guide, Flanges: Please consult these guides for installation and maintenance of our butterfly valves. The technical data are noncommittal and do not assure you of any properties. Please refer to our general sales conditions. Modifications without...