Fig. 260W Double Non Return Valve
Verifisert av produsent for 11 måneder siden
DN50
DN50
Cast iron double non-return valve.
Applikasjon
Suitable for use with wholesome (potable) water to 85°C.
Beskrivelse
Cast iron double non-return valve.
Features and benefits:
- 2 WRAS Approved single non-return valves (to 85°C) bolted together.
- Spring loaded axially guided disc.
- Positive non-slam shut-off.
- Resilient seat.
- WRAS Approved fusion bonded epoxy internal and external coating.
- Valves are not intended to be used as backflow prevention devices, conforming to Schedule 2 Section 6 of the WRAS Water Regulations Guide.
Generell informasjon
Farge | Blue Veiledning for spesifikasjonsvalg: Body. Silver Veiledning for spesifikasjonsvalg: Nut and stud. |
Materiale | Cast iron Veiledning for spesifikasjonsvalg: Body, disc and guide. |
Form | Circle |
Uniclass | |
CAWS | U90/460 Non-return valves U90/460 Non-return valves |
SKU Code | Fig. 260W |
Product range |
Spesifikasjonsdata - Tilbakeslagsventiler for gasslokkeanlegg
Klassifiseringsdata | |
Third party certification | WRAS Approved. Veiledning for spesifikasjonsvalg: Title: 'Acceptability of two single check valves in place of a double check valve' Clause Reference: 'Schedule 2 paragraph 15(5) of the WRAS Water Regulations Guide' 'Two suitably approved single check valves (Type EA device) installed in series are accepted as offering the equivalent level of protection as that afforded by a double check valve (Type EC device) providing the maximum distance between the adjacent flanges of the valves did not exceed twice their nominal bore and the operation of one component does not interfere with the operation of the other.' |
Valve type | Non-return valve. |
Material | Body, disc, and guide: Cast iron, spring, stem and plug: Stainless steel grade 304 – 1.4301, Bushing: Brass CW611N, Seat and gasket: EPDM, Stud and nut: Steel (zinc plated). Veiledning for spesifikasjonsvalg:
Veiledning fra produsent
|
Working pressure | 16 bar. |
Connections | Flanged to BS EN 1092-2, PN16. |
PressureRange | Temperature: -10 to +120°C: PN16. Veiledning fra produsentWRAS Approved to 85°C. |
Dimensions | 203 x 165 mm. Veiledning fra produsentNominal A x B. |
Weight | 17 kg. |
Inlets/outlets diameter | DN50. |
Bærekraftsdata
Materiale | Cast iron Veiledning for spesifikasjonsvalg: Body, disc and guide. |
Resirkulerbarhet | Recycle locally |
Forventet liv | 20 year |
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