metal-seated butterfly valve

Specifications 1High performance butterfly valve

2.Advanced triple-offset design

3modern design,reasonable construction, beautiful effect,

Feature: 1.This product is the high performance butterfly valve this is used in heat-power piping, boiler auxiliary equipment,petrochemicals and metallurgy industry,for shut-off of throttling purpose for any non-corrosive and corrosive medium. 2Advanced triple-offset design is used in this valve featuring excellent performances. 3.Our products have modern design:reasonable construction; beautiful effect;Open speediness;easy setting;low flow resistant;flow character is trend line, and easy , maintenance. 4.The sealing ring use multiwall complex martial with high strength. anti-corrosive,good elasticity and reliable sealing.   Standard available   1.Design and fabrication per GB12238-1989 general purpose industrial valve-Flanged and wafer butterfly valves. 2. Flange size per GB9113.1-2000 steel pipe glanged of flat or male face 3.Length per GB12221-1989 Metal valves for use in flanged pipe systems -face to face and center to face dimensions. 4.Inspection and test per GB/T 13927-1992 Pressure testing for general purpose valves     Performance

Nominal Diameter		Metal to Metal sealed butterfly valves	DN50-DN2000(2'-80')
Nominal pressure		1.0Mpa	1.6MPa
Testing pressure	sheel	1.5Mpa	2.4Mpa
	Sealing	1.1Mpa	1.76
Suitable Temperature		-30°c~425°c
Applicable mediun		Water , steam , acid , Alkali, salt, oils, etc

Main parts&bill of materials and actuator

Nominal Diameter	Material
Body	Carbon steel , Chrome-nickel-titanium Stainless steel
Disc	Carbon steel,Chrome-nickel-titanium stainless steel
Seat	Complex martial, Chrome-nickel-nickel-titanium stainless steel
Stem	Stainless steel,Chrome-molybdenum-vanadium steel
Stem packing	Flexible graphite,PTFE
Outside Coating	Heat-power organic silicon dope
Drive	Hand-lever, Gear Manual drive,Electric Drive,Pneumatic drive