Diaphragm Valves


Range of high-quality diaphragm valves in a range of sizes up to 100mm (4”) and beyond, made from a range of materials including PVC-U. Diaphragm valves are suitable for a range of water treatment related applications and are particularly well-suited for shutting off and regulating abrasive or dirty fluids

Popular brands of field-proven diaphragm valves stocked in Australia by Parkway include FIP and Georg Fischer and many more.

Diaphragm Valves
Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 25mm, FPM, PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-564
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$375.12
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 25mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-534
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$500.15
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 32mm, EPDM , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-515
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$303.26
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 32mm, FPM , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-565
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$454.93
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 32mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-535
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$POA
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 40mm, EPDM , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-516
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$401.79
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 40mm, FPM , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-566
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$POA
Confirm availability
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 40mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-536
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$803.43
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 50mm, EPDM , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-517
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$494.17
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 50mm, FPM , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-567
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$POA
Confirm availability
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 50mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
GEO-161-514-537
Georg Fischer PVC-U Diaphragm Valve Type 514 is easy to install...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$988.52
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 15mm, EPDM , Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-612
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$196.64
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 15mm, FPM , Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-632
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$393.36
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 20mm, EPDM , Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-613
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$230.62
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 20mm, FPM , Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-633
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$461.20
Confirm availability
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 25mm, EPDM , Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-614
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$280.10
Confirm availability
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 25mm, FPM , Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-634
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$574.22
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 32mm, EPDM, Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-615
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$348.19
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 32mm, FPM , Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-635
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$696.22
Confirm availability
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Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 40mm, EPDM, Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-616
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$461.20
Confirm availability
Quick View
Georg Fischer 20mm, EPDM/PTFE , PVC-U Diaphragm Valve Type 514 , Sch 80, PVC-U
Georg Fischer 40mm, FPM , Diaphragm Valve Type 517 Loose Flange ANSI 150 , Sch 80, PVC-U
GEO-161-517-636
Diaphragm Valve Type 517 Loose Flange ANSI 150 is easy to insta...
KEY FEATURES Handwheel with built-in locking mechanism Double flow rate compared to predecessor VITON and NBR Diaphragms also available One...
$899.80
Confirm availability
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