Product Overview
Electric Butterfly Valve is used for flow regulation and shut-off in industrial pipeline systems. It combines a butterfly valve body with an electric actuator for remote or automated operation in water treatment, chemical processing, HVAC, and utility networks.
The product range covers DN50 to DN1200, supporting both branch pipelines and main transmission lines. Pressure ratings range from PN1.0 to PN4.0 MPa, covering standard industrial working conditions.
Technical Specifications
|
Parameter |
Range / Specifications |
Compliance Standards |
|
Diameter |
DN50 - DN1200 (2" - 48") |
API 609 / EN 593 |
|
Pressure |
PN1.0 to PN4.0 MPa |
ASME B16.5 / DIN 2501 |
|
Body Material |
Cast Iron / WCB / SS304 / SS316 |
EN 10204 3.1 Certified |
|
Sealing |
NBR / PTFE / Metal-to-Metal |
ISO 5208 / API 598 |
|
Control |
On-Off / Modulating (4-20mA) |
Ex d II B T4 Protection |
Technical Advantages
Material Options & Zero Leakage
• Body: Cast Iron, WCB, SS304, SS316.
• Seat: NBR (≤80°C) or PTFE (≤180°C).
• Proof: 100% compliant with ISO 5208 / API 598 Rate A zero-leakage standards. Extends operational life up to 50,000 cycles.
Explosion-Proof Actuator
• Rating: Ex d II B T4 certified (ATEX/IECEx compliant enclosure).
• Application: Safe for hazardous, flammable gas environments. Available in 220V/380V AC or 24V DC.
Standard Flange Connection
• Standards: Fully matches ASME B16.5 / DIN 2501 / JIS B2220.
• Benefit: Direct drop-in replacement. Ensures a 100% direct drop-in replacement, reducing on-site installation time and labor costs.

Applications & Media Compatibility
NBR Seats: Ideal for water, wastewater, air, and light oils (≤80°C).
PTFE Seats: Engineered for corrosive chemicals, acids, alkalis, and demineralized water (≤180°C).
Metal-to-Metal: Designed for high-temperature steam and thermal oil applications (≤300°C).
Factory Capacity & Trust Factors
100% Hydrostatic Testing: Every single valve undergoes shell and seat pressure tests before packing. Traceable test reports are provided.
Precision CNC Machining: In-house CNC processing ensures micrometer-level tolerance, reducing actuator torque and power wear.
Fast Lead Times: Standard stock available. Production to shipping completed within 7–15 days.
OEM/ODM Capabilities: Custom voltages, custom epoxy coatings (up to 250μm), and custom branding supported.

FAQ
Q: Are your valves 100% pressure tested before shipping?
A: Yes. Every single valve undergoes hydrostatic shell and seat testing per ISO 5208 / API 598 standards. We provide traceable test reports with every shipment.
Q: Can your actuators match our local voltage and control signals?
A: Yes. We support 110V/220V/380VAC and 24VDC power supplies, with both On-Off type and 4-20mA/0-10V modulating control options.
Q: Do your explosion-proof actuators carry international certifications?
A: Yes. Our actuators meet Ex d II B T4 standards, fully compliant with international flameproof regulations for hazardous and flammable gas environments. Certificates can be provided upon request for your engineering submittal.
Q: What are your standard lead times for bulk B2B orders?
A: Standard sizes (DN50-DN300) ship within 7–15 days due to our raw casting stock. Custom or large-bore orders (up to DN1200) take 20–30 days.
Q: Do you provide EN 10204 3.1 Material Certificates?
A: Yes. We provide full EN 10204 3.1 chemical and mechanical certificates for all Cast Steel (WCB) and Stainless Steel (SS304/SS316) valve bodies.
Q: Does the electric actuator have a manual override in case of power failure?
A: Yes. All our electric actuators come equipped with a declutch mechanism, allowing operators to safely open or close the valve manually during power outages or system testing.
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