Cast iron butterfly valve with stainless steel disk and EPDM sealing for electric actuator Pn 16

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Cast iron butterfly valve with stainless steel disk and EPDM sealing for electric actuator
Nominal diameter Price, UAH without VAT Availability in warehouse, pcs. Reserve, pcs. Weight, kg Electric actuator
DN 50 0.00 5 0 2.1 05S
DN 65 0.00 5 0 2.4 05S
DN 80 0.00 5 0 3.2 05S
DN 100 0.00 5 0 3.8 16S
DN 125 0.00 5 0 5.0 16S
DN 150 0.00 5 0 6.0 16S
DN 200 0.00 5 0 11.0 QT3

Cast iron flanged butterfly valves with stainless steel disc and EPDM sealing PN 16 are devices used for regulating or completely shutting off the flow of working medium in pipelines. They feature simple design and operational efficiency, making them popular in various industries.

Construction of Electric Actuated Butterfly Valve

The butterfly valve consists of several key components: body, disc (or plate), actuator, and seal. The body is made of cast iron, providing high strength and corrosion resistance. The stainless steel disc ensures durability and reliability when operating in various conditions, including aggressive environments.

Stainless Steel Disc (CF8)

The stainless steel disc is the main component of the valve responsible for flow shut-off. A circular disc shape is used to ensure even pressure distribution across the entire surface. CF8 stainless steel provides high corrosion resistance and strength. It is used in food processing equipment and water supply systems due to its ability to resist corrosion and maintain hygienic properties. 

EPDM Sealing

EPDM (ethylene propylene diene monomer) is a synthetic rubber widely used as sealing material due to its excellent resistance to water, steam and many chemicals. EPDM seals provide reliable sealing between the disc and valve body, preventing leaks.

Connection Type

The flanged connection allows installation of butterfly valves between flat flanges without additional gaskets thanks to the EPDM seal.

Electric Actuator

Electric actuators are used to automate butterfly valve operation. They enable remote or automatic control of valve opening/closing depending on system operating conditions.

Advantages of Using Electric Actuators

  1. Automation: Actuators allow valve integration into automated control systems.
  2. Precision: Provide accurate valve position control.
  3. Safety: Reduce need for manual intervention in potentially hazardous conditions.
Applications

Butterfly valves with cast iron discs and EPDM seals are widely used in various industries:

  • Water supply
  • Wastewater drainage
  • Oil and gas industry
  • Chemical industry

Butterfly valves can be equipped with electric actuators .References to electric actuators that match nominal diameters of the valves are provided in the table above.

Flanges for butterfly valves PN 16 can be found here

Fasteners here

DN L Z-Ød
50 234 4-23
65 261 4-23
80 261 4-23
100 261 4-23
125 312 4-23
150 312 4-26
200 360 4-26
Parameter name Indicator
Nominal pressure PN, MPa (kgf/cm²) 1.6 (16)
Connection type межфланцевый
Working environment water, steam, non-aggressive liquids
Maximum working environment temperature, °C 120
Sealing class D
Body strength test, MPa 2.4
Sealing tightness test, MPa 1.8
Description Material
Disk Stainless steel CF8
Sealing EPDM
Body Grey cast iron
Stem Steel

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