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Refrigeration Wafer Connecting Check Valve
US$10.00-3,000.00
1 Piece
Product profile
Customization
AvailableTemperature
Low TemperatureCertification
GS, RoHS, CE, ISO9001Model NO.
NRVDMedia
Gas, Oil, Water, AcidStandard
StandardConnection Mode
Butt WeldingPower
AutoMaterial
AlloyType
Self-OperatedNominal Pressure
4MPa, 6.3MPaApplicable Medium
R12, R22, R502, R134A, R404A, R507, R717 and OtherApplicable Temperature
-50 ~ +150Structure Form
Angle & StraightValve Rod Material
304 Stainless SteelApplicable System
Nh3, Freon and CO2Color of Valve Body
Grey or RedCertificate
CE, SGS, TUV, BsiTransport Package
Carton Box or Plywood Box PackagingSpecification
DN25-DN150Trademark
DOFUNOrigin
ChinaHS Code
8481804090Production Capacity
150000 SetsKey features
Multiple Valve Types: Includes stop, check, regulating, filter, and solenoid valves for diverse needs.
Customizable Options: Nominal pressure, color, and structure form are customizable per client request.
High-Quality Materials: Constructed from alloy and 304 stainless steel for durability and corrosion resistance.
Broad Media Compatibility: Suitable for ammonia, freon, CO2, gas, oil, water, and acid applications.
Certified Quality: Products hold CE, RoHS, GS, ISO9001, SGS, TUV, and BSI certifications.
Flexible Connection: Features butt welding connection mode for secure and reliable installation.
Manufacturer Direct: Direct from Shandong DoFun with OEM/ODM services and 6 R&D engineers.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-09-02 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤11.22h CertifiedTerms of Payment: LC, T/T, Western Union
AI-Powered supplier vetting
SummaryShandong Dofun Refrigeration Technology Co., Ltd. is identified as a Chinese manufacturer of refrigeration valves and related industrial equipment, established in 2012 with 85 employees and a 13,000 m² manufacturing area. The supplier reports six production lines, annual refrigeration-valve output of 200,000 sets, quality-control staffing of 11–20 employees, and delivery within 15 working days in both peak and off-peak seasons. It serves domestic and multiple overseas markets and accepts several trade and payment terms. The materials indicate product-development activity and technical capabilities, but provide no verified management-system certifications, after-sales service details, customization evidence, or named customer cases. Company information contains inconsistencies, including different registered-capital and facility descriptions, which should be verified before qualification.
Supplier typeThe supplier is explicitly identified as a manufacturer/factory and operates in industrial equipment and components, with refrigeration valves and related valve products as its stated focus. Its legal and company names vary slightly across the records, but the business type and product orientation are consistent.
CertificationsThe supplier-management-system certification field is explicitly recorded as "NIL." No certification such as ISO is provided in the available information, so certification compliance cannot be established.
R&D capabilityThe supplier states that it pursues continuous product innovation, has six R&D engineers, and operates multiple advanced valve production lines and experimental testing facilities. These statements support some innovation resources, although no patents, formal R&D projects, or measurable innovation outcomes are provided.
Production capacityThe supplier reports a 13,000 m² plant, six production lines, 85 employees, quality-control staffing of 11–20 people, and annual refrigeration-valve output of 200,000 sets. It also states that orders can be fulfilled within 15 working days during both peak and off-peak periods, providing explicit evidence of established production capacity.
Product Q&A
Q:Which refrigerants and media are compatible?
A:
They are suitable for R12, R22, R502, R134a, R404a, R507, R717, NH3, Freon, CO2, gas, oil, water, and acid.
Q:What certifications do the products have?
A:
Products are certified with CE, RoHS, GS, ISO9001, SGS, TUV, and BSI standards.
Q:Can the valve color be customized?
A:
Yes, the color of the valve body can be customized to Grey or Red.
Q:What nominal pressures are available?
A:
The nominal pressure can be customized to 4MPa or 6.3MPa depending on requirements.
Q:Does the manufacturer support OEM/ODM?
A:
Yes, OEM and ODM services are available with 6 R&D engineers supporting customization.
Send Inquiry
*To:
Shandong Dofun Refrigeration Technology Co., Ltd.
Shandong Dofun Refrigeration Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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