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a Variety of Valve Combinations
US$100.00-400.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
Professional StabilityWarranty
1yearModel NO.
DFCVType
Air-CooledCooling Water
Industrial WaterSystem Type
Closed SystemFans Species
Double-speed fanNoise Level
LowApplication Fields
WeldingCertification
RoHS, UR, ISO, CE, CCCCondition
NewNominal Pressure
6.3MPaApplicable Medium
R12, R22, R502, R134A, R404A, R507, R717 and OtherApplicable Temperature
-46 ~ +150Structure Form
Angle & StraightValve Rod Material
304 Stainless SteelApplicable System
Nh3, Freon and CO2Certificate
CE, ISO, SGS, TUV, BsiColor of Valve Body
Grey and RedTransport Package
Carton Box or Plywood Box PackagingSpecification
DN15-DN40Trademark
DOFUNOrigin
ChinaHS Code
8481804090Production Capacity
150000 SetsKey features
Diverse Valve Types: Includes stop, check, regulating, solenoid, and motor valves with nominal diameters up to DN300.
High Pressure Capacity: Nominal pressures reach up to 6.3MPa for stop valves and 2.8MPa for regulating valves.
Premium Material Construction: Valve rods are made of 304 Stainless Steel for durability and corrosion resistance.
Comprehensive Certifications: Certified by CE, ISO, SGS, TUV, BSI, RoHS, UR, and CCC for global compliance.
OEM and ODM Services: Customization available for nominal pressure, medium, temperature, and structure form.
Professional After-Sales Support: 1-year warranty provided with professional stability services for all units.
Low Noise Operation: Equipped with double-speed fans ensuring low noise levels for industrial environments.
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: ≤7.12h 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:What is the maximum nominal pressure for the stop valves?
A:
The stop valves support nominal pressures of 4.0MPa and 6.3MPa, with diameters ranging from DN15 to DN300.
Q:Are OEM and ODM services available for these products?
A:
Yes, the manufacturer offers both OEM and ODM services, allowing customization for pressure, medium, temperature, and structure.
Q:What certifications do these valves hold?
A:
The valves are certified with CE, ISO, SGS, TUV, BSI, RoHS, UR, and CCC, ensuring compliance with international standards.
Q:What material is used for the valve rods?
A:
The valve rods are constructed from 304 Stainless Steel to ensure high durability and resistance to corrosion.
Q:What is the warranty period for the valves?
A:
A 1-year warranty is provided for all valves, accompanied by professional after-sales stability services.
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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