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Ammonia Refrigeration Nh3 Regulating Valve
US$10.00-3,000.00
1 Piece
Product profile
Customization
AvailableMedia
GasStandard
Nh3,Freon,CO2Model NO.
TVDCertification
CCC, RoHS, ISO, CETemperature
Low TemperatureConnection
WeldingValve Seat
Single-SeatStructure
Angle Type,Straight TypeMaterial
LccNominal 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 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
Multiple Pressure Ratings: Available in 2.5MPa, 2.8MPa, 4.0MPa, and 6.3MPa nominal pressures.
Versatile Valve Types: Includes stop, check, regulating, solenoid, and pressure regulating valves.
Broad Medium Compatibility: Suitable for NH3, Freon, CO2, R12, R22, R502, R134A, and more.
Diverse Connection Sizes: Nominal diameters range from DN3 to DN300 to fit various systems.
Advanced Material Options: Constructed with LCC and 304 Stainless Steel for durability.
Comprehensive Certifications: Certified by CE, ISO, SGS, TUV, BSI, CCC, and RoHS standards.
Customization Services: OEM and ODM services available for tailored valve solutions.
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: ≤7.87h 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 are compatible with these valves?
A:
They are compatible with NH3, Freon, CO2, R12, R22, R502, R134A, R404A, R507, R717, and other media.
Q:What pressure ratings are available?
A:
Nominal pressures include 2.5MPa, 2.8MPa, 4.0MPa, and 6.3MPa.
Q:Do you offer OEM and ODM services?
A:
Yes, we provide both OEM and ODM services to meet custom requirements.
Q:What certifications do the products hold?
A:
Products are certified under CE, ISO, SGS, TUV, BSI, CCC, and RoHS standards.
Q:What is the lead time for production?
A:
The average lead time is within 15 workdays for both peak and off-peak seasons.
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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