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Winvall 12V Electronic Flow Control Two-Way DN20 Valve 3/4 Inch Brass Motorized Valve for Water
US$31.97
50 Pieces
Product profile
Customization
AvailableMedia
WaterMaterial
BrassModel NO.
WRA-4212A+W8BV220Connection Form
ThreadDriving Mode
ElectricNominal Pressure
PN1.0-32.0MPaChannel
Straight Through TypeStructure
Fixed Ball ValveType
Fixed Ball ValveFunction
Relief ValveTemperature
Normal TemperatureStandard
ISO9001Application
Industrial Usage, Water Industrial Usage, Household UsageMedium
Cold/Hot Water, with 50% GlycolTemperature of Medium
2℃...90℃Rated Pressure
Pn20Transport Package
Carton with PalletSpecification
DN20Trademark
WinvallOrigin
ChinaKey features
High Flow Rate Design: Optimized for large water flow with zero dirt block and low torque operation.
Compact Structure: Mini motorized ball valve with stable operation and excellent water stoppage capacity.
Wide Application Scope: Ideal for HVAC, heating, water treatment systems, and industrial equipment.
Durable Brass Material: Constructed from Hpb59-1 brass with EPDM+PTFE seals for long-lasting performance.
IP54 Protection Rating: Actuator features IP54 protection rank for reliable operation in various environments.
Versatile Voltage Options: Available in DC12V with on/off or 3-point type actuators for diverse control needs.
Multiple Size Options: Offers 1/2'', 3/4'', and 1'' sizes to fit different pipe connector requirements.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.23h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR
AI-Powered supplier vetting
SummaryWinner Ball Valves Co., Ltd. is a China-based limited company established in 2010, with 24 employees and operations in Changsha, Hunan. It presents itself as a manufacturer of small electric ball valves and related control products for HVAC, heating, solar, industrial, and medical applications, while another record classifies the company as a trading company. The supplier states that it follows ISO 9001 production practices, performs 100% functional testing, and holds ISO 9001:2015, CE, and RoHS certifications. It claims OEM and ODM experience, international sales, recognized customers, and long-term cooperation relationships, but the provided data does not identify most customers or substantiate production scale. After-sales service and technical support are stated commitments, while quality-control staffing is not disclosed. Innovation is supported by stated development activities and patent certificates, although the extent of R&D capability is unclear.
CertificationsThe supplier explicitly reports an ISO 9001:2015 certificate and production according to ISO 9001 standards, including 100% functional testing and production-line visualization controls. It also states that its products have CE and RoHS certifications, but the provided slices do not include certificate numbers, validity dates, or scopes.
R&D capabilityThe supplier states that it emphasizes innovation and development, develops multiple electric-valve products, and holds multiple patent certificates. Its reported total R&D engineer experience is 2, but the slices do not clarify whether this refers to two engineers, two years, or another measure, so the depth of innovation capability cannot be fully verified.
Customization capabilityThe supplier explicitly states that it provides OEM and ODM services, which supports capability for product customization or private-label development. The available information does not specify customization scope, engineering workflow, minimum order requirements, or examples of customized products.
Client casesWINNER claims recognition from well-known companies, long-term cooperation relationships, and worldwide sales, and one trade record associates it with HIGHZ VALE INDUSTRIA ELETRONICA LTDA. The evidence is limited because most claimed customers are unnamed and only one transaction is shown in the provided trade record.
Product Q&A
Q:What types of media can this valve handle?
A:
It is suitable for cold/hot water and fluids containing up to 50% glycol.
Q:What is the rated pressure of the valve?
A:
The rated pressure is PN20, with a maximum pressure (Pmax) of 1000 KPa.
Q:What are the available sizes for this valve?
A:
The valve is available in three sizes: 1/2 inch (15mm), 3/4 inch (20mm), and 1 inch (25mm).
Q:How long does it take for the valve to open or close?
A:
The on/off time is 15 seconds at 50Hz and 12 seconds at 60Hz.
Q:Is OEM or ODM service available?
A:
Yes, both OEM and ODM services are available for this product.
Send Inquiry
*To:
Winner Ball Valves Co., Ltd.
Winner Ball Valves Co., Ltd.*Content:
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