Electric Actuator Flange Type Concentric Butterfly Valve
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Product Highlights
- Vulcanized EPDM Seat: Ensures low torque operation and reliable sealing performance.
- Corrosion Resistant Disc: Streamlined SS304 disc design reduces water head loss and resists corrosion.
- Standard ISO Top Flange: Complies with ISO 5211 for easy assembly of actuators.
- Bi-directional Shut-off: Provides reliable sealing in both flow directions.
- Wide Size Range: Available in sizes from DN50 to DN600 (2" to 24").
- Multiple Material Options: Disc options include Ductile Iron, SS304, or Aluminum Bronze.
- Comprehensive Certifications: Certified with ISO9001, CE, BV, ABS, SIRIM, and TUV-SUD.
- Flexible Customization: OEM/ODM services available including custom logos and nameplates.
Product Attributes
- Customization
- Available
- Media
- Water
- Driving Mode
- Electric
- Connection Form
- Flange
- Structure
- Centre Sealing
- Seal Form
- Force Sealed
- Valve Stem
- Normal
- Work Pressure
- Mid-Pressure (2.5mpa< Pn <6.4mpa)
- Working Temperature
- Normal Temperature (-40°C<T<120°C)
- Material of Seal Surface
- Metal Hard Sealed
- Valve Body
- Casting
- Application
- Industrial Usage, Water Industrial Usage, Household Usage
- Size
- DN50~DN600(2″~24″)
- Norminal Pressure
- Pn 16
- Temperature Range
- -10~90℃
- Suitable for
- Water and Neutral Liquids
- Design Standard
- En 593, BS 5155
- Connection Standard
- Suit for En1092-2
- Face to Face Standard
- En 558-1 Basic Se
- Top Flange Standard
- ISO5211/1
- Transport Package
- Carton and Pallets
- Trademark
- OEM
- Origin
- China
- HS Code
- 8481804090
- Production Capacity
- 50000/Years
Product Images of Electric Actuator Flange Type Concentric Butterfly Valve
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Product Description

- Vulcanized EPDM seat, low torque operated.
- Streamlined SS304 disc, corrosion resistant, lower water head lost.
- ISO top flange as standard ISO 5211, easy to assemble acuators.
- Bi-directional shut-off seat.
- Both gear and lever operated are available.
- Gearbox operation: DN200~DN600.
| NO | Size | DN | A | B | L | L1 | D | K | d | kg |
| 1 | 2″ | 50 | 83 | 120 | 108 | 111 | 165 | 125 | 99 | 11 |
| 2 | 2½″ | 65 | 93 | 130 | 112 | 115 | 185 | 145 | 118 | 13 |
| 3 | 3″ | 80 | 100 | 145 | 114 | 117 | 200 | 160 | 132 | 15 |
| 4 | 4″ | 100 | 114 | 155 | 127 | 130 | 220 | 180 | 156 | 17 |
| 5 | 5″ | 125 | 125 | 170 | 140 | 143 | 250 | 210 | 184 | 22 |
| 6 | 6″ | 150 | 143 | 190 | 140 | 143 | 285 | 240 | 211 | 27 |
| 7 | 8″ | 200 | 170 | 205 | 152 | 155 | 340 | 295 | 266 | 41 |
| 8 | 10″ | 250 | 198 | 235 | 165 | 168 | 405 | 355 | 319 | 56 |
| 9 | 12″ | 300 | 223 | 280 | 178 | 182 | 460 | 410 | 370 | 72 |
| 10 | 14″ | 350 | 312 | 310 | 190 | 194 | 520 | 470 | 429 | 86 |
| 11 | 16″ | 400 | 330 | 400 | 216 | 221 | 580 | 525 | 480 | 128 |
| 12 | 18″ | 450 | 353 | 422 | 222 | 227 | 640 | 585 | 548 | 165 |
| 13 | 20″ | 500 | 390 | 480 | 229 | 234 | 715 | 650 | 609 | 187 |
| 14 | 24″ | 600 | 495 | 562 | 267 | 272 | 840 | 770 | 720 | 270 |
Applicable Standards:
Design standard:BS5155, EN593, API609
Connection standard:suit for BS EN1092-2
Top flange standard:ISO5211
Face to face standard:BS EN558-1 basic series 13
Pressure test standard:BS EN12266-1, API598
Technical Data:
Nominal pressure: PN 16
Temperature range: 0~80ºC
Suitable for: Water and neutral liquids
Materials Specifications
| No. | Component | Material |
| 1 | Body | Ductile Iron JS1040 |
| 2 | Disc | Option1: Ductile Iron Epoxy Coating Option2: Stainless Steel SS304 Option3: AI - Bronze |
| 3 | Stem | Stainless Steel SS420 |
| 4 | Seat | Rubber, EPDM |
| 5 | O- ring | Rubber, EPDM |
Opening - Kv Value Curve





Are you a manufacturer or trading company?
DVK Valve is a specialized valve manufacturer, backed by a skilled and experienced R&D team.
Are you make OEM or ODM product?
Yes, if QTY attractive enough, we can create new mould for you, make bodies casting with your logo and your nameplate; if QTY not attractive enough, will be only with your nameplates or labels.
What kinds of valve can you supply?
We can supply butterfly valve, ball valve, check valve, gate valve, control valve, brass valve, bronze valve, strainer, valve fittings and so on.
How long is your delivery time?
General speaking, we have some stock for regular products, it is 1~2 weeks if the goods are in stock; if not in stock will be 4~8 weeks, depends on quantity.
What's the package and how do you ship the goods?
We typically use seaworthy plywood cases for packaging. Shipping is usually done by sea, other shipping methods can also be arranged. Please contact us if you require a different shipping route.
Can you provide the relevant documentation and certificates?
Yes, we can provide the necessary documentation and certificates, including the ISO9001,ISO24001, ISO45001, CE, BV, ABS, SIRIM, TUV-SUD etc. We can also provide the Test Report, Certificate of Material Analysis, Certificate of Origin, and other export documents if required.
Do you provide free samples?
If samples available in stock, yes, we could offer the free sample to you, but the air cost or courier cost will be on your account.
What are your payment terms?
Order value less than 2000USD, 100% in advance. Order value more than 2000USD, 30% T/T in advance, balance before shipment. L/C available as well.

About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI2242047". Items marked "" are certified.
Company Profile
DVK International is committed to become one of the world's most valuable and professional HAVC and waterworks fluid control companies, meanwhile, to promote the green energy saving technology together with partners.
The origins of the business date started from 2001, at the beginning, DVK international was focus on HVAC system products and service, and then expanded to waterworks fluid control solution. We are the manufacture of valves, pipe fittings in China over 10 years, such as butterfly valves, gate valves, check valves, actuators, basket strainers, ACV, PICV, plunger valve, control valve, nozzle type check valve, solenoid valve and accessories, etc. We OEM for some famous brands as well and have a good name in the market.
For the last 20 years, we have been doing more for our customers across the world. We work closely with professional companies specializes in providing a wide range of chiller parts, valves, accessories in the HVAC and waterworks markets worldwide.
A dedicated OEM division specializes in bespoke fabrications and assemblies for a broad cross section of customers for different requirement.
For the future, DVK international continues to provide reliable and excellent solutions for fluid control through innovative technology and research. We strive to promote green energy saving technology to let the people enjoy the great life.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Tianruncheng Street, Nanjing, Jiangsu, China
-
Number of Employees
- 8
-
Registered Capital
- 500,000 RMB
- Terms of Payment
- LC, T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- Shanghai
Our Production Capability & Technical Expertise
- Main Products
- Butterfly Valve, Check Valve, Gate Valve, Brass Valve, Ball Valve, Bronze Valve, Control Valve, Solenoid Valve
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2010-06-07
- Export Year
- 2016-07-08
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Are you a manufacturer or trading company?
- DVK Valve is a specialized valve manufacturer, backed by a skilled and experienced R&D team.
- Do you make OEM or ODM products?
- Yes, if quantity is attractive enough, we can create new molds for you, make bodies casting with your logo and nameplate; if quantity is not attractive enough, it will be only with your nameplates or labels.
- What kinds of valves can you supply?
- We can supply butterfly valve, ball valve, check valve, gate valve, control valve, brass valve, bronze valve, strainer, valve fittings and so on.
- How long is your delivery time?
- General speaking, we have some stock for regular products, it is 1~2 weeks if the goods are in stock; if not in stock will be 4~8 weeks, depends on quantity.
- What is the package and how do you ship the goods?
- We typically use seaworthy plywood cases for packaging. Shipping is usually done by sea, other shipping methods can also be arranged. Please contact us if you require a different shipping route.
- Can you provide relevant documentation and certificates?
- Yes, we can provide the necessary documentation and certificates, including the ISO9001, ISO24001, ISO45001, CE, BV, ABS, SIRIM, TUV-SUD etc. We can also provide the Test Report, Certificate of Material Analysis, Certificate of Origin, and other export documents if required.
- Do you provide free samples?
- If samples available in stock, yes, we could offer the free sample to you, but the air cost or courier cost will be on your account.
- What are your payment terms?
- Order value less than 2000USD, 100% in advance. Order value more than 2000USD, 30% T/T in advance, balance before shipment. L/C available as well.
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