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Quick Details

  • Standard or Nonstandard: Standard
  • Structure: Butterfly
  • Pressure: Medium Pressure
  • Power: Manual
  • Material: Casting
  • Temperature of Media: Normal Temperature
  • Media: Water
  • Port Size: DN40-2400
  • Place of Origin: Anhui, China (Mainland)
  • Model Number: Butterfly Valve
  • Brand Name: aniec
  • Application: General
  • Body: Casting Iron; Ductile Iron
  • DISC: Stainless steel A351 CF8M,AL-B
  • Shaft: Stainless steel AISI316
  • Working Temperature: 0-120Deg
  • Working Pressure: PN10/16
  • Standard: API 609,EN558,BS5155
  • Face to Face: API 609,EN558,BS5155
  • Color: Blue or your design

Packaging & Delivery

Packaging Details Ply-Wood case
Delivery Time 25days



The double offset butterfly valve, used in slightly higher-pressure systems, is offset from the centre line of the disc seat and body seal (offset one), and the centre line of the bore (offset two). This creates a cam action during operation to lift the seat out of the seal resulting in less friction than is created in the zero offset design and decreases its tendency to wear. The valve best suited for high-pressure systems is the triple offset butterfly valve. In this valve the disc seat contact axis is offset, which acts to virtually eliminate sliding contact between disc and seat. In the case of triple offset valves the seat is made of metal so that it can be machined such as to achieve a bubble tight shut-off when in contact with the disc.


Nominal diameterDN50 – DN3000
Nominal pressurePN2.5/PN6/PN10/PN16/PN25 / 150LB

Design: API609 / AWWA-C504 / BS EN593 / GB/T12238

Face to face: API609 / ASME B16.10 / BS EN558 / GB/T12221

Flange end: ASME B16.42 / ASME B16.47 

DriveManual/Worm gear/Electric/Pneumatic
Connection endsDouble flanged
ApplicationsFresh water / Sea water / Salts waterSteam / Gas / AirAlkali / acid / oil
Working TemperatureFrom -20℃ to +220℃
Outstanding CharacteristicsOil proof / Anti-aging / Anti-Corrosion / Wear-resisting
Types of seatA. Seat on the body B. Seat on the disc
Design features

1. Bidirectional sealing. 2. Zero leakage

3. Good flow regulating function and sealing performance. 4. Different seat designs satisfy various service conditions

5. The disc can move away from the seat fast and prolong the valve life.

6. Simple in structure, and convenient in mounting, dismounting and change.


angle globe valve|globe valve|stop valve|gate valve|butterfly valve|check valve|swing check valve|wafer check valve|ball valve|


Product Description


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