China 65 years history manufacture good quality DN500 double flange offset butterfly valve 

Nominal Diameter: DN150-DN3600

Nominal Pressure: 10Bar/16Bar/150lbs/25bar

Design Standard:  BS EN593/BS5155/API609/DIN3354

FTF Dimension:  ISO 5752 SERIES 13&14 /BS EN558 SERIES 13&14 /API609/DIN3202/ASME B16.10

Flange Connection: ASME B16.1 Class125/ASME B16.5 CL150/ASME B16.47 CL150/AWWA C207/

                             DIN 2501 PN10-16-25/EN1092 PN10-16-25

Inspection and Test:    EN12266-1/API 598/ISO5208

Material list:

1. Body

•   Ductile Iron:   ASTM A536 60-40-18/ DIN1693 GGG40,GGG50
• 2. Disc:   Ductile Iron:    ASTM A536 60-40-18/ DIN1693 GGG40,GGG50

•     Stainless Steel:    ASTM A182 304/316/431/ Duplex Stainless Steel
• Other description
  Design:EN593,AWWAC504, BS5155
  Installation  without restriction in direction of flow.
  Reduced  weight and overall dimensions.
  Low pressure loss and reduced energy costs.
  High Kv / Cv values.
  Easy to clean and disinfect for potable water systems etc.
  Self cleaning ( no residue will be trapped ).
  Good resistance to corrosion.
  Manul , electric actuator , pneumatic actuator , hydraulic actuator , bare shaft is optional
  Wate , drinking water , portable water , Oil , sea water , gas are all available working service.
  Size is from DN150-DN3600
  
  Technical specification
   

  No	Item	Standard
  1	Design and manufacturing Standard	EN593,AWWAC504, BS5155, DINEN593,BSEN593
  2	Pressure-Temperature Rating	PN6,PN10,PN16,PN25 , Class125, Class150
  3	Structure length(Face-Face)	API609,ISO5772, EN558-1 Series 13, Series 14 , DIN3202F4
  4	Flange Ends	EN1092-2PN10,PN16,PN25, ASME B16.5/B16.47 Series A
  5	Inspection&Test	API598, EN12266-1
  6	Connection	Flange type
  7	Fluid medium	Water, Oil, Gas and various corrosive media,drinking water ,portable water , sea water
  8	Operation option	Worm Gear,electric and pneumatic control device.
  9	Applicable size	DN100 ~ DN3600
  10	Using temperature	-10ºC ~ 150ºC
  11	Normal Pressure(Mpa)	PN1.0 ~ 2.5MPa(Class150,Class300)
  12	Connection standard	ANSI·DIN·API·ISO·BS
  13	Warranty	18 monthes

• Main Material
  
   

  No	Part	Material	No	Part	Material
  1	Body	CI , DI(A536 65-45-12),GGG40,GGG50	2	Disc	DI(A536 65-45-12),GGG40,GGG50
  3	Up/ Down Shaft	Stainless Steel(304,416, 420,431) Super stainless Steel	4	Disc Sealing Ring	EPDM, NBR
  5	Body Sealing Ring	EPDM, NBR	6	Taper pin	Stainless Steel(304,416,420,431)
  7	Up/ Down Shaft sealing Ring	NBR	8	Up/Down Bushing	DF-1
  9	Disc Sealing Steel Ring	SS316	10	Key	Steel
  11	Packing	NBR	12	Yoke	DI(A536 65-45-12)

   
  Detailed Photos

   

  
  The double eccentric butterfly valve On-site installation and use
  
  From 1985 the largest DN2000 flanged butterfly valve butterfly valve flange to DN2600 1996 Shenzhen Dongshen water supply, to the 2008 Shanghai Qingcaosha DN3600 two-way sealing butterfly valve flange is put into use, our factory always is a large project of large equipment manufacturing and production base.
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• Dimension Detailes
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  Company Profile
  
  
  
  
  Our Advantages

   

• More than 60 years of valve production experience
• with advanced processing equipment
• large testing laboratories
• and sufficient raw material reserves
  
  
• Main Equipment
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