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Quick Details

  • Standard or Nonstandard: Standard
  • Structure: Butterfly, Pneumatic Butterfly Valve
  • Pressure: Low Pressure
  • Power: Pneumatic
  • Material: Casting
  • Temperature of Media: Medium Temperature
  • Media: Water
  • Port Size: DN40-DN1200
  • Place of Origin: Tianjin, China (Mainland)
  • Model Number: b006
  • Brand Name: Nortech
  • Application: General
  • Name: Pneumatic Butterfly Valve
  • Sealing material: Rubber EPDM/NBR
  • Connection: between flanges universal standard
  • Disc design: Centerline seat
  • Similar products: Oventrop,Crane,TTV,Sureflow,GEFA,Eriks,Hattersley
  • Type: hydraulic valve
  • material quality: Casting
  • Pipe Size: DN40-DN1200

Packaging & Delivery

Packaging Details bubble plastic bags for each valve,and plywood cases for transportation.
package could be as per customers' request.
Delivery Time 20-45 days from the date of order confirmation of butterfly valv

Best Manufacturers in China Pneumatic Butterfly Valve   


Product Show  



1. Product Pictures of Pneumatic Butterfly Valve  




2. Product Description of Pneumatic Butterfly Valve


1. API609/BS5155


   Face to face:

    1)wafer type:EN558-1 basic series 20(wafer short)

    2)double flange type:EN558-1 basi series 13(double flange short).


    1)Semi-lug type with alignment holes.

   2)Fully lug type.


  1)wafer type with inserted seat,U type flange end.

  2)double flange type with bonded seat.

mounting between flanges of various standard.

DIN/BS EN1092 -1 PN10/PN16/,ANSI Class125/Class150,etc..


3. MATERIALS Of Pneumatic Butterfly Valve   

BODY MATERIALS:As the body is internally fully rubber lined, the body material is protected from corrosion by the medium.
Type of materialMaterial standardExample for application
Ductile ironGGG40, DIN 1693General application.
60-40-18,ASTM A536
400-18, BS 2789
Ductile iron(Heat treated)GGG40.3 DIN 1693Heavy applications, Cold applications, petrochemical industries, power stations, alternative for cast steel
Cast stainless steelCF8, ASTM A351Medicine, food, drink
BronzeC-CuSn10Zn, DIN 1705(RG10)Marine service
C90500, ASTM B584
LG1, BS 1400
DISC MATERIALS:As the disc  is in direct contact with medium, the material should be carefully selected
Type of materialMaterial standardExample for application
Ductile iron nickel platedGGG40, DIN 1693Air, non corrosive hot or cold water
60-40-18,ASTM A536
400-18, BS 2789
Ductile iron nylon coatedGGG40, DIN 1693Potable water, water(max. 70°C, PH value between 4.5 and 9)
60-40-18,ASTM A536
400-18, BS 2789
400-18, BS 2789
Ductile iron, PTFE coatedGGG40, DIN 1693Acids, alkalis, oil, water, air
60-40-18,ASTM A536
400-18, BS 2789
Cast stainless steelCF8M, ASTM A351Potable water, demineralized water, solvents, industrial water, not recommended for sea water, gas
Duplex stainless steel1.4462, EN 10088Potable water, cooling water, sea water, demineralized water, solvents, foodstuff
A181, Grade F51
Aluminum bronzeG-CuAl10Ni, DIN 1714Sea water, potable water, gas
C99500, ASTM B148
AB2, BS 1400
Hastelloy-CA494, CW-12MWPhosphoric, hypochloric, acetic, formic, sulfurous
SHAFT MATERIALS:  Materials for shafts are selected on the basic of disc materials
Type of materialMaterial standardin combination with disc materials
Stainless steelSS410Stainless steel, ductile iron
High strength stainless steel1Cr17Ni2Stainless steel, ductile iron
Stainless steelSS316Stainless steel, ductile iron, aluminum bronze
Aluminum bronzeCuA10Ni5Fe4, DIN 17665Aluminum bronze
C63000, ASTM B150
MonelNA18, BS 3076Aluminum bronze(high pressure application)
Hastelloy C276ASTM B574, N10276Hastelloy-C
Type of materialMaterial standardTemp.rangeExample for application
Nitrile rubberNBR0°C~90°CAliphatic hydrocarbons(fuels, low aromatic containing oils, gasses), sea water, compressed air, powders, granular, vacuum, gas supply
Ethylene-propylene rubberEPDM-20°C~110°CWater in general (hot-, cold-, sea-, ozone-, swimming-, industrial-, etc). Weak acids, weak salt solutions, alcohols, ketones, sour gasses, sugar juice
Special ethylene-propylene rubberSpecial EPDM-10°C~70°CPotable water, foodstuffs, unchlorined drinking water
Special ethylene-propylene rubberSpecial EPDM-30°C~120°CHVAC, chilled water, food stuffs & sugar juice
VitonViton0°C~200°CMany aliphatic, aromatic and halogen hydrocarbons, hot gasses, hot water, steam, inorganic acid, alkali


4. More Products for You to Choose

Cast iron Gate Valve


Cast steel gate-globe-check valve

Ball valves 

Rubber expansion joints



 More styles can be available in yingshuo.en.alibaba.com or  www.nortech-v.com



Company Show



1.Company Description


a)  More than 10 years experiences of OEM services;
b)  Our Main market:West Europe and North America,ISO9000 and CE certified.
c)  Our customer:Hattersley newman,Tourandersson(IMI),ERIKS nv,Oventrop,Sureflow equipment,KVO-arm.
d)  Sales Company in Shanghai and three manufacturing centers around China mainland
Shanghai ES-flow Industrial Co., ltd, Shanghai ES-Flow Industrial Co., ltd, is a subsidiary of Nortech Engineering Corporation Limited, and is one of the leading suppliers of industrial valves in China, with butterfly valves manufacturing centre in the city of Tianjin and casting iron gate valve and check valve manufacturing center in Anhui Province, and API series valve manufacturing center in the city of Wenzhou.

2. Why Choose


Our Advantages:
1) Guaranteed quality of all the products we supplied;
2) More than 10 years experiences of exportation
3) 90% of our products are exported to West Europe and North America
4) Reasonable prices;
5) Ensured delivery schedule.

3. Certification


4. Our Markets

North America
South America
Mid East


5. Contact




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