Fig. 260W Double Non Return Valve
Verifierad av tillverkaren för 11 månader sedan
DN50
DN50
Cast iron double non-return valve.
Applikation
Suitable for use with wholesome (potable) water to 85°C.
Beskrivning
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.
Allmän information
Färg | Blue Vägledning för specifikationsalternativ: Body. Silver Vägledning för specifikationsalternativ: Nut and stud. |
Material | Cast iron Vägledning för specifikationsalternativ: Body, disc and guide. |
Form | Circle |
Uniclass | |
CAWS | U90/460 Non-return valves U90/460 Non-return valves |
SKU Code | Fig. 260W |
Product range |
Specifikationsdata - Gaseldade branddämpningsventiler
Klassificeringsdata | |
Third party certification | WRAS Approved. Vägledning för specifikationsalternativ: 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). Vägledning för specifikationsalternativ:
Tillverkarens vägledning
|
Working pressure | 16 bar. |
Anslutningar | Flanged to BS EN 1092-2, PN16. |
PressureRange | Temperature: -10 to +120°C: PN16. Tillverkarens vägledningWRAS Approved to 85°C. |
Dimensioner | 203 x 165 mm. Tillverkarens vägledningNominal A x B. |
Weight | 17 kg. |
Inlets/outlets diameter | DN50. |
Hållbarhetsdata
Material | Cast iron Vägledning för specifikationsalternativ: Body, disc and guide. |
Återvinningsbarhet | Recycle locally |
Förväntat liv | 20 year |
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