Powered by Made-in-China.com

Industrial Refrigeration Cold Storage Connecting Ammonia Freon System Butt Welding Regulating Valve
US$10.00-3,000.00
1 Piece
Product profile
Customization
AvailableNominal Pressure
4MPa, 6.3MPaApplicable Medium
R12, R22, R502, R134A, R404A, R507, R717 and OtherModel NO.
TVDApplicable Temperature
-50 ~ +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-DN125Trademark
DOFUNOrigin
ChinaHS Code
8481804090Production Capacity
150000 SetsKey features
Multi-Medium Compatibility: Suitable for Ammonia, Freon, CO2, and other media including R12, R22, R502, R134A.
High Pressure Rating: Supports nominal pressures of 4.0MPa and 6.3MPa for robust industrial performance.
Durable Material Construction: Valve rods made of 304 Stainless Steel with Grey and Red valve body options.
Comprehensive Product Range: Includes stop valves, check valves, regulating valves, solenoid valves, and filter series.
International Certifications: Certified by CE, ISO, SGS, TUV, and BSI ensuring global quality standards.
OEM/ODM Customization: Supports OEM and ODM services to meet specific industrial refrigeration requirements.
Fast Lead Time: Average lead time within 15 workdays for both peak and off-season orders.
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: ≤8.25h 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 refrigerants are compatible with these valves?
A:
The valves are applicable for R12, R22, R502, R134A, R404A, R507, R717 (Ammonia), CO2, and other media.
Q:What nominal pressures are supported?
A:
The system supports nominal pressures of 4.0MPa and 6.3MPa.
Q:What materials are used for the valve components?
A:
The valve rod material is 304 Stainless Steel, and the valve body is available in Grey and Red.
Q:Does the manufacturer offer OEM or ODM services?
A:
Yes, OEM and ODM services are available to customize products according to specific needs.
Q:What certifications do the products hold?
A:
Products are certified with CE, ISO, SGS, TUV, and BSI.
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
You may also like
Brass Automatic Brass Filling Valve for Refrigeration System China Factory
US$5.99-6.99
1,000 Pieces(MOQ)
Electronic Miniature Electric Single-Seated Control Valve for Precise Fluid Control in Industrial Systems
US$100.00-500.00
1 Piece(MOQ)
VO-3-1/4-B Mechanically Actuated 3/2 Way Monostable Stem Valve for Industrial Automation and Vacuum Systems
US$1.00-9,999.00
1 Piece(MOQ)
Premium Industrial Cast Iron Flange Two-Way Electric Control Valve for Water Systems
US$58.00-258.00
1 Piece(MOQ)
Danfoss Water Valve Wvfx20 003n3105 for Refrigeration System
US$100.00-200.00
1 Piece(MOQ)
Brass /Ss Soleoid Valve for Industrial RO Water System
US$888.00
1,000 Pieces(MOQ)
Digital Locking Flange Flow Regulating Static Balance Valve for Industrial/Water System
US$45.00-359.00
1 Piece(MOQ)
Air Conditioner System Refrigeration Valve Dsf 4-Way Reversing Valve 4 Way Reversing Valve for 407c R134A R410A
US$3.79-14.99
500 Pieces(MOQ)
Industrial Brass Balance Valve for Cooling and Heating Systems
US$15.00-35.90
1 Piece(MOQ)
Danfoss Water Valve Wvfx25 003n4105 for Refrigeration System
US$100.00-200.00
1 Piece(MOQ)
CE Certified Differential Pressure Balancing Valve Industrial HVAC Systems
US$120.00
1,000 Pieces(MOQ)
Qh-QS-4 High Performance Industrial Ball Valve System
US$1.00-9,999.00
1 Piece(MOQ)
Durable Cast Steel Double Flanged OS&Y Gate Valve for Reliable Fluid Control in Industrial Pipeline Systems
US$50.00-500.00
10 Pieces(MOQ)



















