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Electrically Actuated Butterfly Valves for Compressed Air


Body: ASTM A536 65-45-12, WCB, CF8M
Bonded with NBR or EPDM
Disc: ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
Stem: SS420,SS431
Body style: Flange
Nominal diameter: 2″ – 88″ (DN50mm – DN2000mm)
Top flange: ISO5211
Operating pressure: 16bar for DN50-DN300, 10bar for DN350-DN2200
  • FP200

  • Flowx

  • 8481909000

Electrically Actuated Butterfly Valves for Compressed Air


Double flanged butterfly valve features a bonded liner extending over the flanges. The double flange design is suitable for high pressure loading and for use in heavy industry, shipbuilding, severe vacuum applications and water treatment industry like potable water, water treatment and wastewater applications.


1,ISO5211 top flange together with stem heat suitable for direct mounting of actuators
2,Stem anti-blowout design keep safety in field use
3,Bonded seat protects the body and shaft out of contact with medium
4,No exposed pins or bolts for stem-to-disc connection
5,Single flange mounting is possible
6,Can be installed in any desired position
7,Bubble-tight shut off at full pressure rating
8,Large flow capacity and enough strength

Material Parameter

NO. Part name Material
1 Body ASTM A536 65-45-12, WCB, CF8M
Bonded with NBR or EPDM
2 Disc ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
3 Stem SS420,SS431
4 Screw SS304
5 Retainer SS201
6 Weather seal NBR
7 Bearing RPTFE with Graphite on I.D.
8 Lower Stem SS420, SS431
9 Bottom cover Same as body
10 Bolt SS304
11 Screw SS304
Technical Parameter 

Body style Flange
Nominal diameter 2″ – 88″ (DN50mm – DN2000mm)
Top flange ISO5211
Operating pressure 16bar for DN50-DN300, 10bar for DN350-DN2200
Temperature range -20 °C to + 140 °C (depending on pressure, medium and material)
Flange accommodation EN 1092 PN 6/PN10/PN16
ASME Class 150AS 4087
PN10/ PN16
JIS 5K/10K
Applications Potable Water, Wastewater, Seawater, HVAC
Operation Hand Hand lever, gear box
Product Description

Packaging & Shipping


Our Services

1.We can provide installation instructions..

2.According to the actual situation, can provide 3 years shelf life..

3.We can answer your questions within 24 hours.

4.We can provide pre-shipment packaging inspection.

Company Information

Flowx is originated from Rome, Italy, FLOWX’s products inherited the excellent technology and quality from Europe. In line with the principle of "quality first", FLOWX committed to providing customers with perfect, intimate one-stop automatic valve solutions.

Flowx was established in 2006, have been focusing on the research and development of the automatic valves for years. Our products mainly include butterfly valves, ball valves, control valves, general valves, actuators and accessories.

After more than ten years of on-site application and testing, our products have been able to meet the stringent requirements of fluid treatment industry, the product category has increased year by year.

In 2018, Flowx established a valve production center of 25,000 square meters in Jinshan District, Shanghai, meantime we introduced more advanced production equipment and expanded more production lines, which will provide more and more good quality automatic valves and accessories for the customers among the world in the future.


Q: Are you a trading company or a manufacturer ?

A: We are a manufacturer. We have our own factory in Shanghai.

Q: How long is your delivery time?

A: Generally it is 5-10 days for stock products, or 15-20 days for producing goods, different delivery time due to the different quantities.

Q: Do you provide samples ? Is it free of charge?

A: We can provide the charge samples.

Q: What is your terms of payment ?

A: Payment<=3000USD, 100% in advance. Payment>=3000USD, 30% T/T in advance ,balance before shippment.

Q: What's the payment?

A: T/T, L/C, Western Union, Paypal & Cash are accepted.

Q:Can you produce according to customers' design ?

A: No, we can't produce according to customer's design, but we can add the logo and do the customer's package.

Q: How do you deal with the problem after sale?

A: We will be responsible for all quality problems within the guarantee period.