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FOB Price: US $10 - 5,000 / Unit Get Latest Price
Port: Tianjin,China
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 5,000 Set/Sets per Month
Payment Terms: L/C,T/T
Not exactly what you want? Post a quick Buying Request!
[ Beijing, China (Mainland) ]
Business type: Manufacturer, Trading Company
  • Comprehensive capabilities verified by TÜV Rheinland
  • Onsite operations checked and legal status confirmed

Quick Details

Standard or Nonstandard: Standard Structure: Butterfly Pressure: Low Pressure
Power: electric Material: cast iron Temperature of Media: Normal Temperature
Media: Water Port Size: DN50-DN600 Place of Origin: Beijing China (Mainland)
Model Number: 271D Brand Name: HAOLIFA Certificate: ISO/CE/API

Packaging & Delivery

Packaging Detail: Export standard case
Delivery Detail: 30days


1.O-Ring: NBR, EPDM
2.Standards: ISO ,GB and other standards in the world
3.Factory,on time delievery


270/271 Series Butterfly Valves




1, Double plow groove seat can not only make sure that the body, seat and disc connect correctly, but also ensure that the seat can be changed conveniently, which is helpful to avoid distorting by installation fault.


2, Concatenate"O"series seal ring of the seat is enchased in the axle hole of valve body. The concatenate"O"series sealing ring will dilate out and tangent with valve body tightly and firmly when the stem insert the disc hole through it. In this way, when it leaks inside the valve, medium cannot afflux in the room between body and seat, which may result the accident of the seat locks disc or the seat blowout.


3, Raised seal surface is combined with disk. Torque is much lower than former product. Life time is extended. Narrowband seal ring is combined with spherical disc organically, which make sure that torque will not increase before the disc close up; make sure that service life of valve seat prolonged by friction decreased and open-close torque reduced, to make sure that open-close torque will not change in a long time.


4, Stem spacer which locates between upper stem and down stem. It prevents down stem move upward.


5, Seat locator is casted together with valve body. It prevents seat from moving. Mid-plummer-block spliced pole avoids frequent shake of the stem below which may result the stem divorced from valve body. Gibbosity on valve seat can avoids the possibility of seat distorted badly and torque increased rapidly, when the valve was installed improperly; and it also can avoid seat wriggling during the valve is opened and closed, when there is impurity on the surface of the seat after the valve is used for some time .


6, Wide mount surface can be adopted by diversity flange types. The flange-sealing surface of valve seat is the structure of broadside and orthodrome, which follows the requirement of thimble or welded flange connection, and also can be connected with many other flanges.

 Main technical parameter

Technical Parameter





Nominal Diameter(mm)



Nominal Pressure(Mpa)


1.0 / 1.6 / 2.5

Shell test pressure(Mpa)


Nominal DiameterX1.5

Seal Test Pressure(Mpa)


Nominal DiameterX1.1

Surface spraying


Epoxy polyester laye,Nylon 11,stoving varnish



hand lever,worm gear,electrical actuator,pneumatic actuator

Suitable temperature



Suitable medium

Water,Salt,Acid,Alkali,Nature Gas,Alcohol,Oil,Food and Steam, ect.


Material of mian part


Gray Cast Iron/Ductile Cast Iron/Cast steel/CF8,SS304/CF8M,SS316


Nickel Plated Ductile Iron/Nylon Coated Ductile Iron /CF8/CF8M


SS416/SS304/SS316/Plated Carbon Steel


NBR/VITON/EPDM/PTFE/Anti-Resisting EPDM/Corrosion resisting 

Suitable temperature

Normal Temperature -15 ~150


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


Not exactly what you want? Post a quick Buying Request!
Beijing Haoli Valve Manufacturing Co. Ltd. was founded in 2001 and has developed into a high-tech enterprise integrating the technology development, manufacture and trade. We specialize in the R&D and manufacture of various valves with high performance and have passed ISO9000, ISO14000, CE, RoHS, TSG, API, GOST-R, CC and OHSAS18000 certifications.

Our main products include butterfly valves, ball valves, check valves, gate valves, globe valves, slurry valves and diaphragm valves. We not only ... View detail

Basic Information Indicates information has been verified onsite by a certification specialist

Product/Service (We Sell): Butterfly Valve,Check Valve,Stop Valve,Sluice Valve,Ball Valve  
Brands: HAOLI  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: South America
Northern Europe
Domestic Market
Eastern Europe
North America
Western Europe
Mid East
Total Annual Sales Volume: US$50 Million - US$100 Million  
Export Percentage: 71% - 80%  

Factory Information

Factory Size (Sq.meters): 10,000-30,000 square meters  
Factory Location: No. 6, Yushun Road, Yufa Town, Daxing District, Beijing City, China  
Number of Production Lines: 5  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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