DN40-800 High Quality Worm Wafer LT Butterfly Valve

Name of parts

Name of materials

body

iron cast,nodular cast iron,cast steel,stainless steel

plate

iron cast,nodular cast iron,cast steel,stainless steel

steam

2Cr13,stainless steel lining

Seal ring

Abrasive , buna-nrubber

Filling

buna-nrubber V type cushion , Expanded graphite

End flange

ANSI B16.1/ASME B16.45 B16.5/BS 4504/AS 2129/BS 4504/DIN 2501/ISO 7005/JIS 5K 10K 16K

Face to face

API 609/ISO 5752/BS 5155/EN 558/DIN 3202 1K

Top flange

ISO 5211

Normal pressure

DN40-DN600 PN1.0/1.6MPa(150/200psi)

Nominal diameter

DN40-DN600

Body

ductile iron

Disc

CI/DI/WCB/AL-Bronze/CF8/CF8M/1.4529/1.4462(cast iron/ductile iron/carbon steel/Aluminum bronze/duplex stainless stell)

Stem

WCB/SS304/SS316/SS410

Seat

EPDM/ NBR(Buna-N)/ /PTFE /Nature rubber /Heat resistant EPDM

Suitable
temperature

-20~200°C(depending on pressure,medium and material)

Suitable medium

Fresh water,sewage,sea water,air,vapor,food,medicine,oils,alkais,salt etc.

Typical Applications

Heating air-conditioning systems;Water purification system;Mining industry;Shipbuilding;Chemical industry;Food industry;Oil and gas industry,Fire extinguishing system,Natural Gas Applications