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Industrial Refrigeration Cold Storage Valve Pn63 Butt Welding Ammonia Check Valve
US$10.00-600.00
1 Piece
Product profile
Customization
AvailableNominal Pressure
4MPa, 6.3MPaApplicable Medium
R12, R22, R502, R134A, R404A, R507, R717 and OtherModel NO.
CVDApplicable 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
DN15-DN150Trademark
DOFUNOrigin
ChinaHS Code
8481804090Production Capacity
150000 SetsKey features
Wide Pressure Range: Available in 4.0MPa and 6.3MPa nominal pressure ratings for diverse applications.
Multiple Valve Types: Includes stop, check, regulating, solenoid, and motor valves for complete system control.
Versatile Medium Compatibility: Suitable for R12, R22, R502, R134a, R404a, R507, R717, CO2, and other refrigerants.
Premium Material Construction: Valve rods made from 304 Stainless Steel for durability and corrosion resistance.
Global Certifications: Certified by CE, SGS, TUV, and BSI ensuring international quality standards.
Custom Color Options: Valve body available in Grey or Red to match specific system requirements.
OEM and ODM Services: Full customization support available with dedicated R&D engineers and production lines.
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: ≤11.96h 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 pressure ratings are available for these valves?
A:
The valves are available in nominal pressure ratings of 4.0MPa and 6.3MPa.
Q:Which refrigerants are compatible with these valves?
A:
They are compatible with R12, R22, R502, R134a, R404a, R507, R717, CO2, and other media.
Q:What materials are used for the valve components?
A:
The valve rods are constructed from 304 Stainless Steel, and the body is available in Grey or Red.
Q:Does the manufacturer offer customization services?
A:
Yes, OEM and ODM services are available, including custom colors and specific valve configurations.
Q:What certifications do the products hold?
A:
The products are certified by CE, 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
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