Butterfly valves
![](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/interapp-desponia.jpg?mw=720&rev=cdf23376-dac0-47a5-a030-1597452b0c84&hash=6D7DA9AE4441CF8B4B3DA3E4F51C57E0)
InterApp Desponia lugged butterfly valves
Variant: D3 - DN25-600, PN16, 316 Stainless Steel disc and replaceable liner. Various seat and disc materials available including PN20 rating.
![DESPONIA Butterfly valve DN 25 1600](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/desponia--butterfly-valve-dn-25-1600.jpg?mw=720&rev=1c54cbf2-fe5a-4982-8b11-05dfb66d64e6&hash=FCA9C28AE9206476DFE9E8963B9E9D20)
InterApp Desponia wafer D1 butterfly valves
Variant: D1 - DN25-1000, PN16, 316 Stainless Steel disc and replaceable liner. Various seat and disc materials available including PN20 rating.
![INTERAPP DESPONIA U-SECTION D4 BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-desponia-u-section-d4-butterfly-valve.jpg?mw=720&rev=cd223bb0-a534-45fb-a385-0a16b0c6d6d9&hash=380BF68737364F0B132552DC585FFFC1)
InterApp Desponia U section D4 butterfly valve
Variant: D4 - DN150-1400, PN16, 316 Stainless Steel disc and replaceable liner. Various seat and disc materials available including PN20 rating and lugged or through holes.
![DESPONIA plus – Butterfly valve DN 25-600](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/butterfly-valve-dn-25---600.jpg?mw=720&rev=aabceece-ad55-494d-b418-ace6cc0401be&hash=C46B4F87A043E28DDDF5F5CA45604046)
InterApp Desponia plus butterfly valve for heavy duty applications
Variant: N/A - Wafer type from DN25-600 and lugged type from DN50-400. 316 Stainless Steel disc and replaceable liner. Various seat and disc materials available. Optional extras include Stainless body, PN20 rating and high temperatures.
![INTERAPP LINERS FOR BUTTERFLY VALVES](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-liners-for-butterfly-valves.jpg?mw=720&rev=d959c5a6-e981-4370-b91b-0c5a2a623928&hash=D8921FF3EC6CA22EEAB10760CA1EA220)
InterApp liners for butterfly valves
Variant: N/A - EPDM, EPDM DW, EPDM HT, EPDM White FDA, EPDM Blue FDA, Nitrile, Nitrile White FDA, Nitrile Blue FDA, Nitrile Gas, Nitrile Hydrogenated, Hypalon, ECO, Viton, Viton BIO, Viton GF, Silcon, Silicon FDA, Flucast AB/E, Flucast AB/N, Flucast AB/P and Flucast AB/T .
![INTERAPP BIANCA WAFER B1 BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-bianca-wafer-b1-butterfly-valve.jpg?mw=720&rev=6547f3de-29c3-47e7-ad4d-5bc720f543b9&hash=6F959C9F216A4F5F6E4FB61524553668)
InterApp Bianca wafer B1 butterfly valve
Variant: B1 - DN32-600, Ductile Iron body, 2 piece body, Stainless PFA coated disc, 1 piece disc and shaft and PTFE liner. Various disc materials available including special execution, cleaned high purity, Stainless body, FDA and ultraflon liner.
![INTERAPP BIANCA LUGGED B3 BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-bianca-lugged-b3-butterfly-valve.jpg?mw=720&rev=6765c8d4-87a6-492e-bad8-2be0444dca63&hash=6F82C3D5767886DF9631B55B82F2B30B)
InterApp Bianca lugged B3 butterfly valve
Variant: B3 - DN32-400, Ductile Iron body, 2 piece body, Stainless PFA coated disc, 1 piece disc and shaft and PTFE liner. Various disc materials available including special execution, cleaned high purity, Stainless body, FDA and ultraflon liner.
![INTERAPP BIANCA U-SECTION B4 BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-bianca-u-section-b4-butterfly-valve.jpg?mw=720&rev=6c880656-5e78-4c4a-9078-10445c3c2558&hash=D0EC3EEA30B3400F0C2744EB31D4598F)
InterApp Bianca lugged B4 butterfly valve
Variant: B4 - DN450-900, Ductile Iron body, 2 piece body, Stainless PFA coated disc, 1 piece disc and shaft and PTFE liner. Various disc materials available including special execution, cleaned high purity, Stainless body, FDA and ultraflon liner.
![INTERAPP ULTRALENE BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-ultralene-butterfly-valve.jpg?mw=720&rev=441cc173-3c46-4184-885e-3b1ca848c580&hash=9F984854B4D7BC38156F1B3D8FA8817E)
InterApp Ultralene butterfly valve
Variant: N/A - Superior material characteristics, excellent wear and chemical resistance, highest impact strength, anti-adhesion and self lubrication, low moisture absorption and low friction coefficient. Contact your local representative for more information .
![N/A - Desponia and Bianca, FDA approved liners and polished discs for the food industry. Dry media, powders, vibration and manual or automated. Contact your local representative for more information.](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-food-grade-butterfly-valvemiddle.jpg?mw=720&rev=e742521a-37f4-402e-957a-6401e4f07e5c&hash=E81372EA54FE7BA2B87CEF347947141C)
InterApp food grade butterfly valve
Variant: N/A - Desponia and Bianca, FDA approved liners and polished discs for the food industry. Dry media, powders, vibration and manual or automated. Contact your local representative for more information.
![Variant: N/A - ANSI 316, alloy 926 super austenitic, super duplex, hastelloy, alu bronze. Disc coatings include, rilsan, polyurethane, epoxy, halar, rilsan polyamide 11 and chromed.](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-discmaterial.jpg?mw=720&rev=00d0d424-1a97-4b2d-a63b-4e420e9c0b7a&hash=516E992D9FC3F111789EF9F9EADD33BB)
InterApp disc materials for butterfly valves
Variant: N/A - ANSI 316, alloy 926 super austenitic, super duplex, hastelloy, alu bronze. Disc coatings include, rilsan, polyurethane, epoxy, halar, rilsan polyamide 11 and chromed.
![EVS - DN50-1400, PN16, Ductile Iron body, duplex disc standard and vulcanised lined EPDM. Available in AS 4087 and ANSI flange drilling. Other liners and disc materials available.](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/wouter-witzel-evs-wafer-butterfly-valve.jpg?mw=720&rev=70c6aba6-d430-42fd-a17d-c695b16c32ee&hash=B3EBA7456BE7CFD6F88CB261D0D5B56C)
Wouter Witzel EVS wafer butterfly valve
Variant: EVS - DN50-1400, PN16, Ductile Iron body, duplex disc standard and vulcanised lined EPDM. Available in AS 4087 and ANSI flange drilling. Other liners and disc materials available.
![WOUTER WITZEL EVTLS LUGGED BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/wouter-witzel-evtls-lugged-butterfly-valve.jpg?mw=720&rev=88252242-09a6-4f65-ad44-c251ce00973d&hash=5BAF371E4DF680379A8B9D5C676B99BC)
Wouter Witzel EVTLS lugged butterfly valve
Variant: EVTLS - DN50-1200, PN16, Ductile Iron body, duplex disc standard and vulcanised lined EPDM. Available in AS 4087 and ANSI flange drilling. Other liners and disc materials available.
![EVFS - DN50-2000, PN16, 21 or 25, Ductile Iron body, duplex disc standard and vulcanised lined EPDM. Available in AS 4087 EN 558-1 Series 13 face to face. Other liners and disc materials available.](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/wouter-witzel-evfs-double-flanged-butterfly-valve.jpg?mw=720&rev=2e5ee068-984d-46e8-8a82-fb59c9fc04cc&hash=43DCF2338356C2E893D26A1CA66A26B7)
Wouter Witzel EVFS double flanged butterfly valve
Variant: EVFS - DN50-2000, PN16, 21 or 25, Ductile Iron body, duplex disc standard and vulcanised lined EPDM. Available in AS 4087 EN 558-1 Series 13 face to face. Other liners and disc materials available.
![WOUTER WITZEL EVUS U-SECTION BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/wouter-witzel-evus-u-section-butterfly-valve.jpg?mw=720&rev=1d827c6e-a922-4251-9788-a41bd521863c&hash=0CD19785C8C1F16CAC838C4099D0E7C3)
Wouter Witzel EVUS U-section butterfly valve
Variant: EVUS - DN600-2200, PN16, Ductile Iron body, duplex disc standard and vulcanised lined EPDM. Available in AS 4087 EN 558-1 Series 20 face to face. Other liners and disc materials available.
![EVFL - DN50-1500, PN16, Ductile Iron body, duplex disc standard and vulcanised lined EPDM. Available in AS 4087 EN 558-1 Series 14 face to face. Other liners and disc materials available.](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/wouter-witzel-evfl-double-flanged-long-body-butterfly-valve.jpg?mw=720&rev=42371f35-8eb9-4156-8615-1d70a6bb48aa&hash=E2ECD076DEAB5BA8320EFBC16EB9DB8F)
Wouter Witzel EVFL double flanged long body butterfly valve
Variant: EVFL - DN50-1500, PN16, Ductile Iron body, duplex disc standard and vulcanised lined EPDM. Available in AS 4087 EN 558-1 Series 14 face to face. Other liners and disc materials available.
![EVMS - DN350-1000, PN16, Ductile Iron body, duplex disc standard, vulcanised lined EPDM and EN 558-1 Series 20 face to face. Able to bolt up for end of line service.](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/rubberlined-evms.jpg?mw=720&rev=3ed6cb83-b0c9-4fd1-a3d9-08e8c27d2f68&hash=9DD529F6E5D5D8D4B543538DDD258ED0)
Wouter Witzel EVMS central single flange wafer butterfly valve
Variant: EVMS - DN350-1000, PN16, Ductile Iron body, duplex disc standard, vulcanised lined EPDM and EN 558-1 Series 20 face to face. Able to bolt up for end of line service.
![Econaxe Wafer](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/econaxe_wafer.jpg?mw=720&rev=0f470b0a-9d81-4fda-ada7-540d33da2425&hash=0C08CA7CCF8BE515B3026E2347DD913B)
Wouter Witzel Econaxe wafer W201
Variant: W201 & L201 - DN50-600, PN20, Stainless or WCB body, seal in body, CF8M disc with EN 558 Series 20 face to face. Various body and seat materials available. Other optional extras include API testing, antistatic design, metal or resilient seat and fire safe.
![Econaxe Lugged](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/econaxe_lugged.jpg?mw=720&rev=f32ddcfd-d906-4b0a-9d17-b2fd443ce847&hash=EEB90A85AD97ABB5AB76A5D49C06CB8E)
Econaxe lugged L201 butterfly valve
Variant: W201 & L201 - DN50-600, PN20, Stainless or WCB body, seal in body, CF8M disc with EN 558 Series 20 face to face. Various body and seat materials available. Other optional extras include API testing, antistatic design, metal or resilient seat and fire safe.
![Dynaxe Wafer](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/dynaxe_wafer.jpg?mw=720&rev=8a46c7d9-e726-4b82-9f40-8b752fd5b023&hash=C46E12D7E0382D389A290AEEEB94093E)
Wouter Witzel Dynaxe wafer W201
Variant: W201 & L201 - DN50-900, PN20, Stainless or WCB body, seal on disc, CF8M disc with EN 558 Series 20 face to face. Various body and seat materials available. Other optional extras include API testing, antistatic design, metal or resilient seat, fire safe, 50 bar Dynaxe W162 and Titanium body W921.
![Dynaxe Lugged](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/dynaxe_lugged.jpg?mw=720&rev=ec3bc2cf-84db-44c5-a72a-0b8ad4174792&hash=FDB6BD40EE4F9CE8EBDEF0020CE5BA00)
Wouter Witzel Dynaxe lugged L201 butterfly valves
Variant: W201 & L201 - DN50-900, PN20, Stainless or WCB body, seal on disc, CF8M disc with EN 558 Series 20 face to face. Various body and seat materials available. Other optional extras include API testing, antistatic design, metal or resilient seat, fire safe, 50 bar Dynaxe W162 and Titanium body W921.
![VSB DOUBLE FLANGED BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/vsb-double-flanged-butterfly-valve.jpg?mw=720&rev=f2e0184f-a011-4173-a8fb-6331b0c737f8&hash=2871700604B0AE23BC8FB6DB9EBF3062)
VSB double flanged butterfly valve
Double eccentric
Variant: VSB - DN80-1800, PN35 working pressures, Ductile Iron body, seal in body, CF8M disc and EPDM seat. Available in AS 4087 EN 558-1 Series 13 face to face. Optional extra include PN16 & PN25 ratings, vulcanised lined NBR or EPDM and AWWA design.
![INTERAPP TITANIA DOUBLE FLANGED BUTTERFLY VALVE](https://www.avkindustrial.com.au/-/media/websites/local-websites/avk-flow-control-australia/images/ribbons/products/interapp-titania-double-flanged-butterfly-valve.jpg?mw=720&rev=181c1c10-f884-4534-80cd-7e7b3338ed24&hash=1416F016559683C0A20E74FC770EACB5)
InterApp Titania double flanged butterfly valve
Variant: N/A - DN50-1400, PN50, triple offset metal seated and Stainless or WCB body. Perfect tightness in steam, gas, chemical, petrochemical and cryogenic applications.