Powered by Made-in-China.com

Butt Welding Ammonia Freon Refrigeration Overflow Valve
US$10.00-3,000.00
1 Piece
Product profile
Customization
AvailableMedia
GasStandard
AutoModel NO.
OFDCertification
CCC, RoHS, ISO, CETemperature
Low TemperatureConnection
WeldingPressure
AdjustableClosed
Semi-ClosedStructure
Angle 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 CO2Color of Valve Body
Grey or RedCertificate
CE, SGS, TUV, BsiTransport Package
Carton Box or Plywood Box PackagingSpecification
DN20, DN25Trademark
DOFUNOrigin
ChinaHS Code
8481804090Production Capacity
150000 SetsCompany profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-09-02 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤11.40h 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.
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
Hot Selling Freon Refrigeration Cylinder Valve
US$5.00-6.50
500 Pieces(MOQ)
(AY42H) Safety Overflow Valve, Relief Valves
US$100.00
1 Piece(MOQ)
120 Series Safety Valves for Industrial Refrigeration
Negotiable
1,000 USD(MOQ)
304 Sanitation Garde Stainless Steel Butt Welded Safety Valve with No Scale
US$75.00-85.00
10 Pieces(MOQ)
SMS Stainless Steel Butt-Welded Pressure Release Safety Valve supplier
Negotiable
1 Piece(MOQ)
Sanitary Stainless Steel Adjustable Welding Compatible Pressure Release Safety Valve
Negotiable
10 Pieces(MOQ)
Flame Safety Device Gas Valve for Welding Cooker
US$10.00-11.00
500 Pieces(MOQ)
Cold Storage Refrigeration Ammonia Fluorine Overflow Valve
US$10.00-3,000.00
1 Piece(MOQ)
Butt Welded High Pressure Safety Valve for Corrode Gas and Liquid Medium
US$1.00
1 Piece(MOQ)
3-Way Change-Over Stop Valves Dsv1 Dsv2 for Liquid Refrigerant Ammonia Freon CO2
US$200.00-300.00
1 Piece(MOQ)
High Good Quality Stainless Steel Pressure Relief safety Valve with Welding Conection
Negotiable
1 Piece(MOQ)
High Pressure Water Pump Application Forged Steel Safety Overflow Valve
US$1.00
1 Piece(MOQ)
Change Over 3-Way Dsv1 Dsv2 Stop Valves for Ammonia Freon CO2
US$200.00-300.00
1 Piece(MOQ)
Spring Loaded Low Lift Butt Welded High Pressure Safety Valve
US$1.00
1 Piece(MOQ)
Fluorine Overflow Valve
US$10.00-3,000.00
1 Piece(MOQ)
Welding Three Way Sanitary Pressure Safety Valve Overflow
US$80.00-480.00
1 Piece(MOQ)
Refrigerant Freon Gas Cylinder Valve for European Market Industrial Valve Brass Valve
US$5.00-6.50
500 Pieces(MOQ)
Sfv20g Sfv25g 15bar 18bar 20bar 25bar Safety Relief Valves for Ammonia Freon CO2
US$200.00-300.00
1 Piece(MOQ)
76.2mm 3inch Sanitary Stainless Steel Welding Pressure Relief Safety Valve
Negotiable
1 Piece(MOQ)



















