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12" Inch Wafer Extended Rod butterfly valve

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12" Inch Wafer Extended Rod butterfly valve

D371X extended rod butterfly valve is mainly composed of valve body, valve shaft, valve plate, valve seat, extended rod and driving mechanism (handle, worm gear pneumatic device or electric device). The driving mechanism drives the rotating shaft and valve plate to rotate to achieve opening and closing. and the purpose of controlling traffic. The extension mechanism is mainly suitable for the operation of underground pipeline valves or inaccessible valves using an extension transmission device. The product is widely used in system pipelines such as water treatment, shipbuilding, chemical industry, petrochemical, smelting, medicine, food, etc.

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Product Description

BENEFITS OF FLEYENDA FLOW

  • Fast Delivery: Standard products in stock
  • ODM service is available
  • One-stop Solution: Full set of accessories for the option to improve your working efficiency
  • Quality Assurance:CE, ISO9000 certification, Strict IPQC & QC to make sure the high-quality actuator and valve
  • Cost-effectiveness：Long service life, reduce maintenance and replacement costs
  • Anti-leakage: Excellent sealing, lowering the chance of leaking
  • Place Requirement: Butterfly valves are smaller in size and need less site area.

BUTTERFLY VALVE FEATURES

  • Low and High-temperature Resistance: -30°C~180°C (-86°F~356°F)
  • Working Pressure: 150~200 Psi
  • Construct: 2-section valve stem is pinless, compact structur
  • Maintenance: Maintenance and disassembly are easy
  • Anti-leakage: The stem seal is not easily deformed, thus avoiding the usual stem leakage
  • Quick Operation: The opening and shutting are simple and rapid, with little fluid resistance
  • Low Pressure Drop: Minimal resistance to the flow of the fluid
  • Special Requirements: High pressure, high temperature, strong corrosion can be customized
Technical Parameters Of Extended Rod butterfly valve
Size Range DN50 to DN300 (2''~12" Inch)
Ball Material Cast Iron, Cast Steel, Ductile Iron, Stainless Steel
Seat Material PTFE, Nylon, PPL
O Ring PTFE
Connection Type Worm Gear Wafer (GB/ANSI/JIS/DIN)
Pressure Rating 1.0 to 6.4MPa
Temperature Of Medium -30°C~180°C (-86°F~356°F)
Applications Water Treatment, Oil&Gas, Biotechnology, etc

Main Outline and Connecting of Extended Rod butterfly valve

Extended Rod butterfly valve Dimensions

About Butterfly Valve

Butterfly valve is a disc mounted on a rotating shaft. When completely shut down, the disk will completely block the circuit. When fully opened, the disc is at right angles to the air or liquid flow. The advantage of a butterfly valve is that it is relatively cheap to manufacture and maintain. They are the most common valves in large capacity water supply systems such as urban waterworks. They can be used for dirty liquid applications such as sewage or river water control. When the butterfly valve is fully opened, the butterfly disc is still in the flow line of the valve, so there is always a pressure drop on the butterfly valve. In addition, if the differential pressure on the butterfly valve is large, it may be difficult to open the valve. Some applications require a bypass valve to reduce the pressure differential before large butterfly valves can operate.

Fleyenda Actuated Valves Applications

Fleyenda Actuated Valves Applications

Fleyenda Products Package and Shipping



Fleyenda Valve Factory and Production Line

Fleyenda actuated valve factory
actuated valve factory
China actuated valve factory

Actuated Valve and Accessories Certificates

Actuated Valve and Accessories Certificates

Main Outline and Connecting of Extended Rod butterfly valve 

Extended Rod butterfly valve Dimensions 

Frequently Asked Questions

As the name suggests, Normally Open valves allow air to pass when they are not energized (or actuated). Normally Closed valves must be actuated to allow air to pass.
We have passed 1 million times of product quality test, and obtained the certificate.
The air actuator does not have a manual override, but a manual override is provided with optional direct mount solenoid valves.
See product specifications. Generally, smaller valves less than 2 inch pipe size, cycle in about one second. Larger valves up to 6 inch pipe, cycle in about 1.5 seconds. A cycle is per 90° rotation

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