Interapp Bianca Butterfly Valve

Fluoroplastic lined butterfly valves for shut-off and control service in aggressive and corrosive fluids and high purity applications.

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Size Range

32mm to 900mm (1 1/4" to 36")

Flange Accommodation

BS4504 PN10/16
ANSI B 16.5, Class 150
DIN 2501 PN 10/16

Temperature Range

-20°C to +200°C according to working conditions, other temperatures on request.

Pressure Rating

Maximum 16 Bar (DN32-150), 10 Bar (DN200-300), 6 Bar (DN350-700), 2.5 Bar (DN750), 6 Bar (DN800-900)

Body Material

Ductile iron EN-JS 1025 / ≈ ASTM A395 60-40-18, Epoxy coated 80 μm
Cast steel 1.0619 / ≈ ASTM A 216 WCB, Epoxy coated 80 μm
Stainless steel 1.4409 / ≈ ASTM CF3M

Disc Material

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 Ra < 0,4
Stainless steel PFA coated
Disc carbon steel PFA coated, shaft stainless steel
PFA antistatic (no FDA and EC 1935/2004 compliance)
Duplex 1.4469 / ≈ ASTM A 890 grade 5A
Hastelloy 2.4819 / ≈ Hastelloy C276
Titanium 3.7035, Grade 2

Seat Material

PTFE Liner with MVQ Elastomer backing
PTFE Liner with EPDM Elastomer backing
PTFE Liner with FPM Elastomer backing
PTFE
Ultraflon