WAFER

WAFER AND SPLIT WAFER VALVES
- Nova Milanese (MB) -

Wafer and Split Wafer valves are floating, two-way, shut-off, full-pass, bidirectional ball valves.

WAFER

STANDARD EXECUTION

Two-way, shutoff, full bore, bidirectional ball valve. Design in accordance with EN 12516, PED 2014/68/EU, ASME B16.34.
Flanging in accordance with EN 1092-1 or ANSI B16.5. Manufacturer standard gauges.
Metric flanged hole threads in accordance with EN 1092-1. Fire safe in accordance with API 6FA, API 607 and ISO 10497.
ATEX ZONE II 2GD (Directive 2014/34/EU).
SIL 3 in accordance with IEC 61508.
TA-LUFT / Fugitive Emission ISO 15848.
Top Mounting in accordance with ISO 5211, anti-ejection stem, anti-static device in accordance with BS 5146. Hydraulic and pneumatic testing in accordance with EN 12266-1, ISO 5208, API 598, API 6D.
Sealing class grade A in accordance with ISO 5208.
Surface finish: for carbon steel standard galvanizing manufacturer.
MATERIAL OF THE MAIN COMPONENTS

Body and lock: carbon and stainless steel from bar. Trim from bar: AISI 316/316L stainless steel.
Seats: PTFE or RPTFE (25% carbographite). Body and rod seals: VITON or graphite O-rings. Galvanized carbon steel lever.
Recommended temperatures: TS -29°C to +150°C.
OPTIONAL

Body and Trim: nickel alloys, duplex, SSD, Titanium, other materials on request. Temperature: suitable materials and seals up to -46°C or +200°C.
NACE MR0175 - MR0103.
Body and stem seals: elastomers, perfuoroelastomers, PTFE, "V" pack. Stem extension for insulation 100 mm.
Through holes for bottom installation including tie rods. UNC threaded slurry holes on ANSI valve.
Unidirectional valve with balance hole on ball. Stainless lever, gear operator, padlocking device.
Automation: pneumatic or electric actuators, limit switches, solenoid valves. Heating jacket with flanged, welded or threaded connections.
Special coatings.

REQUEST INFORMATION

Split Wafer

STANDARD EXECUTION

Two-way, shutoff, full bore, bidirectional ball valve. Design in accordance with EN 12516, PED 2014/68/EU, ASME B16.34.
Flanging in accordance with EN 1092-1 or ANSI B16.5. Manufacturer standard gauges.
Metric flanged hole threads in accordance with EN 1092-1. Fire safe in accordance with API 6FA, API 607 and ISO 10497.
ATEX ZONE II 2GD (Directive 2014/34/EU).
SIL 3 in accordance with IEC 61508.
TA-LUFT / Fugitive Emission ISO 15848.
Top Mounting in accordance with ISO 5211, anti-ejection stem, anti-static device in accordance with BS 5146. Hydraulic and pneumatic testing in accordance with EN 12266-1, ISO 5208, API 598, API 6D.
Sealing class grade A in accordance with ISO 5208.
Surface finish: for carbon steel standard galvanizing manufacturer.
MATERIAL OF THE MAIN COMPONENTS

Body and lock: carbon and stainless steel from bar up to DN 100 (4"), forged DN higher. Trim from bar: AISI 316/316L stainless steel.
Seats: PTFE or RPTFE (25% carbographite). Body and rod seals: VITON O-ring and graphite. Galvanized carbon steel lever.
Recommended temperatures: TS -29°C to +150°C.
OPTIONAL

Body and Trim: nickel alloys, duplex, SSD, Titanium, other materials on request. Temperature: suitable materials and seals up to -46°C or +200°C.
NACE MR0175 - MR0103.
Body and stem seals: elastomers, perfuoroelastomers, PTFE, "V" pack. Stem extension for insulation 100 mm.
Through holes for bottom installation including tie rods. UNC threaded slurry holes on ANSI valve.
Unidirectional valve with balance hole on ball. Stainless lever, gear operator, padlocking device.
Automation: pneumatic or electric actuators, limit switches, solenoid valves. Heating jacket on body with flanged, welded or threaded connections. Special coatings.