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OEM Double Acting Spring Return DN300mm UPVC Pneumatic Butterfly Valve
US$10.00-90.00
1 Piece
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableMedia
OilDriving Mode
ManualConnection Form
Flanged, WaferStructure
Centre SealingSeal Form
Auto Sealed, Force SealedValve Stem
Normal, ExtendedWork Pressure
Normal Pressure, Low Pressure (Pn<1.6mpa)Working Temperature
Normal Temperature (-40°C<T<120°C)Material of Seal Surface
EPDM, Soft SealedValve Body
EPDM, CastingStandard
Normal StandardApplication
Industrial Usage, Water Industrial Usage, Household UsageSize
DN50 to DN200Transport Package
Carton BoxTrademark
HearkenOrigin
ChinaProduction Capacity
5000 Per MonthKey features
Diverse Body Materials: Available in PVC (Standard), PP (Optional), and PVDF (Optional) for various chemical resistance needs.
Comprehensive Size Range: Customizable sizes available from DN50 to DN200 to fit specific pipeline requirements.
High-Quality Seal Material: Features EPDM soft seal surface for reliable auto-sealing and force sealing performance.
Durable Shaft Construction: Constructed with 316SS shaft and 304SS stabilizing ring for corrosion resistance and longevity.
Fast Quotation Service: Quotations provided within 24 hours after receiving inquiry for urgent project needs.
18 Months Warranty: Includes 18-month guarantee covering mechanical defects with technical support.
Factory Direct Manufacturing: Direct from manufacturer with own production line and experienced customization team.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-10-18Nearest Port: Ningbo / Shanghai PortAverage Response Time: ≤8.37hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP
AI-Powered supplier vetting
SummaryZHEJIANG HEARKEN FLOW EQUIPMENT CO., LTD. is an industrial valve-automation supplier offering pneumatic and electric actuators, actuated valves, positioners, monitors, and accessories. The supplier reports ISO 9001, ISO 14001, and BSCI certifications, and states that its products have applied for or hold several product-related certifications, although the exact status is not consistently clear. Reported capacity includes 500,000 pneumatic actuators, 160,000 electric actuators, 48,000 pneumatic positioners, and 60,000 valve position monitors annually, supported by six production lines. The supplier states that it has customization capability and 12 years of valve-automation experience, but the provided evidence does not establish detailed after-sales processes, financial strength, R&D depth, or extensive customer references. Export-related information indicates 90% export sales, self-operated import/export rights, and exporting activity since 2017.
Supplier typeThe supplier operates in industrial equipment and components, specializing in valve automation products including pneumatic and electric actuators, actuated valves, positioners, monitors, and accessories. Its product descriptions and export information support classification as a manufacturer/supplier serving international industrial markets.
CertificationsThe supplier explicitly reports ISO 9001, ISO 14001, and BSCI management-system certifications. It also states that its actuators have applied for or hold SIL 3, ATEX, CE, explosion-proof, and IP68-related certifications, but the wording does not verify each product certificate’s current status.
Production capacityReported annual output is 500,000 pneumatic actuators, 160,000 electric actuators, 48,000 pneumatic positioners, and 60,000 valve position monitors, supported by six production lines. These stated volumes provide explicit evidence of substantial production capacity for the listed product categories.
Customization capabilityThe supplier explicitly claims customization capability and application experience, while shipment/product records include customized versions of electric actuators. This supports the existence of customization capability, although the scope, engineering process, minimum order requirements, and customization limitations are not specified.
Product Q&A
Q:What is your main products?
A:
Our main products are Pneumatic Actuators, Electric Actuators, Actuated Valves And Valve actuators Accessories..
Q:Are you a trader or manufacturer ?
A:
We are the pneumatic actuators and electric actuators manufacturer , we have ability to do the customization products with experienced team, And we have own factory and production line.
Q:How do your make the quality guarantee for actuators?
A:
We have our own quality control system for incoming and outgoing of the materials, every product will be under controlled and tested before delivery to our customer , and we also provide 18 months guarantee ,beside we provide technical supporting .
Q:When can I receive the Price of valve actuators ?
A:
We will give the Quotation Within 24 hours after we get your inquiry .Or Your can call or message us if it's quite urgently.
Q:How can I get a sample to check your quality?
A:
Contact with our sales expert to arrange the sample delivery. Please send us the details of the sample before placing the order.
Send Inquiry
*To:
Zhejiang Hearken Flow Equipment Co., Ltd.
Zhejiang Hearken Flow Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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