The dual plate check valve is one of the most compact check valves. When fluid enters the valve, the pressure causes the doors to open, stretching the spring. When the flow stops, the spring returns to its compressed state, making the plates return to the closed position, ensuring a quick closing.
TALIS Dual Plate check valves offer a wide range of possibilities according to your applications and network operating conditions. Maximum working temperatures depend on materials selection.
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Body: ductile iron GGG-40, ASTM A216 Gr WCB, ASTM A351 CF8M, ASTM A890 5A
Plates: ductile iron GGG-40, ASTM A216 Gr WCB, ASTM A351 CF8M, ASTM A890 5A
Shafts: AISI-304, AISI-316
Springs: AISI-302, AISI-316, Inconel 625
Seat: EPDM, BUNA-N, Heat EPDM, Viton
Minimum back pressure to ensure water tightness 0.5 bar.
Wafer version as standard, flanged upon request.
For special applications such as desalination plants, TALIS provides a Dual Plate check valves with extremely resistant material (Body and plates in Duplex DIN 14469 A890 5A, shaft in ASTM A182 F55, springs in Inconel 625 and Liner in EPDM).
MODEL B
Face to face dimension according to API-594.
DN50 up to DN1000.
Installation between flanges PN10, PN16, PN25, PN40 or ANSI-150, ANSI-300, ANSI-600, ANSI-900 and ANSI-1500.
Maximum working pressure 100 bar depending on selected material.
Versions in cast iron and welded steel protected by epoxy powder coating.
MODEL C
Short face to face dimension according to ISO 5752, series 16 and DIN3202 K3.
DN40 up to DN1200.
Installation between flanges PN10, PN16, PN25, PN40 or ANSI-150.
Maximum working pressure 40 bar depending on selected materials.
Versions in ductile iron and welded steel protected by epoxy powder coating.
MODEL EMG
Short face to face dimension according to DIN3202 K3.
DN40 up to DN300.
Centring lugs for installation between flanges PN6, PN10, PN16, ANSI-150, BS Table E/D, JIS 5K/10K.
Maximum working pressure 16 bar.
Internal fully linEd body with NBR or EPDM, no flange gasket required.
Cassette type internal parts, allowing easy replacement (plates, shaft and springs).
No external holes or plugs in the body.
Protected with blue epoxy powder coating.
If you need further info, please do not hesitate to contact us belgicastmarketing@talis-group.com
