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Product | Brand | Material | Seal material | Operation | Max pressure difference at 20 °C (bar) | Nominal inner diameter | Material quality | Bore (mm) | Min temperature (°C) | Max temperature (°C) | Approval | ISO 5211 Flange type | ISO 5211 Square head size (mm) | Disc material | Manual override | Max pressure difference as end valve (bar) | Article compression class | Material quality spindle | Length operating element (mm) | Connections | Spindle material | Valve design | Spindle seal material | Regulation type on/off |
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![]() DN50 (2 inch) PN16 Wafer Butterfly Valve GGG40-Stainless...BFLW-50-16-BBA-H
In stock
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Tameson | Cast iron | EPDM | Squeeze lever | 16 | DN 50 | Cast iron GGG 40 | 50 | -10 | 110 | Drinking water | Flange F05 | 11 | Stainless steel | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 200 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN65 (2-1/2 inch) PN16 Wafer Butterfly Valve...BFLW-65-16-BBB
+2 days
|
Tameson | Cast iron | NBR (nitrile rubber) | Squeeze lever | 16 | DN 65 | Cast iron GGG 40 | 65 | 5 | 85 | - | Flange F05 | 11 | Stainless steel | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 200 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN80 (3 inch) PN16 Wafer Butterfly Valve GGG40-GGG40...BFLW-80-16-BAA
+2 days
|
Tameson | Cast iron | EPDM | Squeeze lever | 16 | DN 80 | Cast iron GGG 40 | 80 | -10 | 110 | - | Flange F05 | 11 | Cast iron GGG 40 | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 200 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN200 (8 inch) PN16 Wafer Butterfly Valve GGG40-GGG40...BFLW-200-16-BAB-W
+29 days
|
Tameson | Cast iron | NBR (nitrile rubber) | Hand wheel | 16 | DN 200 | Cast iron GGG 40 | 200 | 5 | 85 | - | Flange F10 | 17 | Cast iron GGG 40 | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 211 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN32 (1-1/4 inch) PN12 Lug Butterfly Valve...BFLL-32-12-BBA
+2 days
|
Tameson | Cast iron | EPDM | Squeeze lever | 12 | DN 32 | Cast iron GGG 40 | 32 | -10 | 110 | Drinking water | Flange F05 | 11 | Stainless steel | No | 12 | PN 12 | Stainless steel 420 (1.4034) | 200 | Lug type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN40 (1-1/2 inch) PN12 Lug Butterfly Valve...BFLL-40-12-BBA
+2 days
|
Tameson | Cast iron | EPDM | Squeeze lever | 12 | DN 40 | Cast iron GGG 40 | 40 | -10 | 110 | Drinking water | Flange F05 | 11 | Stainless steel | No | 12 | PN 12 | Stainless steel 420 (1.4034) | 200 | Lug type | Stainless steel | Centric | Teflon (PTFE) | No |
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£352.08
+2 days
|
Tameson | Cast iron | FKM (FPM) | Squeeze lever | 6 | DN 40 | Cast iron GGG 40 | 40 | 5 | 180 | - | Flange F05 | 11 | Stainless steel | No | 6 | PN 6 | Stainless steel 420 (1.4034) | 200 | Lug type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN250 (10 inch) PN6 Lug Butterfly Valve GGG40-Stainless...BFLL-250-6-BBA
+2 days
|
Tameson | Cast iron | EPDM | Squeeze lever | 6 | DN 250 | Cast iron GGG 40 | 250 | -10 | 110 | Drinking water | Flange F10 | 22 | Stainless steel | No | 6 | PN 6 | Stainless steel 420 (1.4034) | 450 | Lug type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN40 (1-1/2 inch) PN16 Wafer Butterfly Valve...BFLW-40-16-BBB-H
+2 days
|
Tameson | Cast iron | NBR (nitrile rubber) | Squeeze lever | 16 | DN 40 | Cast iron GGG 40 | 40 | 5 | 85 | - | Flange F05 | 11 | Stainless steel | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 200 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN65 (2-1/2 inch) PN16 Wafer Butterfly Valve GGG40-GGG40...BFLW-65-16-BAA
+2 days
|
Tameson | Cast iron | EPDM | Squeeze lever | 16 | DN 65 | Cast iron GGG 40 | 65 | -10 | 110 | - | Flange F05 | 11 | Cast iron GGG 40 | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 200 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN65 (2-1/2 inch) PN16 Wafer Butterfly Valve...BFLW-65-16-BBA-H
+2 days
|
Tameson | Cast iron | EPDM | Squeeze lever | 16 | DN 65 | Cast iron GGG 40 | 65 | -10 | 110 | Drinking water | Flange F05 | 11 | Stainless steel | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 200 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN100 (4 inch) PN16 Wafer Butterfly Valve...BFLW-100-16-BBA-H
+2 days
|
Tameson | Cast iron | EPDM | Squeeze lever | 16 | DN 100 | Cast iron GGG 40 | 100 | -10 | 110 | Drinking water | Flange F07 | 14 | Stainless steel | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 290 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN125 (5 inch) PN16 Wafer Butterfly Valve GGG40-GGG40...BFLW-125-16-BAA
+2 days
|
Tameson | Cast iron | EPDM | Squeeze lever | 16 | DN 125 | Cast iron GGG 40 | 125 | -10 | 110 | - | Flange F07 | 14 | Cast iron GGG 40 | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 290 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN125 (5 inch) PN16 Wafer Butterfly Valve GGG40-Stainless...BFLW-125-16-BBB
+2 days
|
Tameson | Cast iron | NBR (nitrile rubber) | Squeeze lever | 16 | DN 125 | Cast iron GGG 40 | 125 | 5 | 85 | - | Flange F07 | 14 | Stainless steel | No | 16 | PN 16 | Stainless steel 420 (1.4034) | 290 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
![]() DN150 (6 inch) PN10 Wafer Butterfly Valve GGG40-Stainless...BFLW-150-10-BBC
+2 days
|
Tameson | Cast iron | FKM (FPM) | Squeeze lever | 10 | DN 150 | Cast iron GGG 40 | 150 | 5 | 180 | - | Flange F07 | 14 | Stainless steel | No | 10 | PN 10 | Stainless steel 420 (1.4034) | 290 | Wafer type | Stainless steel | Centric | Teflon (PTFE) | No |
View Tameson’s selection of manual butterfly valves as they are a cost-effective solution for on/off operations as well as modulating the flow. They are simple and easy to understand as they operate by means of having a rotating disc to control the flow. They are controlled manually either by a handle with a locking lever or gear wheel for easy operation. Their body design is typically either a lug or wafer style allowing for quick connection to a system while offering a smaller construction length compared to other quarter-turn valves of the same diameter. The disc design is typically concentric (turns in the middle of the flow), but can also be designed to be eccentric (offset) based on the needed seal and wear requirements. With a wide array of housing, disc, and seal materials, you can select the right combination for your application’s media and environment. They can be used for liquids, slurries, and gases that are hazardous and non-hazardous within a wide temperature range. A butterfly valve is often selected over other quarter-turn valves, like ball valves, due to their lower cost and size for the same diameter size.
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