Powered by Made-in-China.com

Three-Hole Pilot Main Valve for Fluorine System
US$10.00-1,500.00
1 Piece
Product profile
Customization
AvailableNominal Pressure
4MPa, 6.3MPaApplicable Medium
R12, R22, R502, R134A, R404A, R507, R717 and OtherModel NO.
DFSVApplicable 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-DN150Trademark
DOFUNOrigin
ChinaHS Code
8481804090Production Capacity
150000 SetsKey features
Multi-Medium Compatibility: Suitable for Ammonia, Freon, CO2, and various other refrigerants.
High Pressure Rating: Supports nominal pressures of 4.0MPa and 6.3MPa for industrial use.
Premium Material Construction: Valve rods made of 304 Stainless Steel for durability and corrosion resistance.
Comprehensive Product Range: Includes stop valves, check valves, regulators, filters, and solenoid valves.
Global Certifications: Certified by CE, ISO, SGS, TUV, and Bsi for international standards.
Customizable Options: Offers customized nominal pressure, medium, temperature, structure, and color.
Versatile Structure Forms: Available in both Angle and Straight structure forms for diverse installations.
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 this valve?
A:
The valve is applicable for R12, R22, R502, R134A, R404A, R507, R717, Ammonia, Freon, and CO2.
Q:What materials are used for the valve rod?
A:
The valve rod is made of 304 Stainless Steel to ensure quality and longevity.
Q:What certifications does the product have?
A:
The product holds CE, ISO, SGS, TUV, and Bsi certifications.
Q:Is customization available for this valve?
A:
Yes, customization is available for nominal pressure, applicable medium, temperature, structure form, and valve body color.
Q:What are the available nominal pressure options?
A:
The nominal pressure options are 4MPa and 6.3MPa.
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
Walvoil SD5/3-P (KG-160) Hydraulic Directional Control Valve for Industrial Systems
US$1.00-9,999.00
1 Piece(MOQ)
Best Seller Single-Hole Installation Durable Rust-Proof Zinc Alloy Angle Valve for Piping Systems
US$0.10-10.00
2,000 Pieces(MOQ)
Reliable Three-Way Valve Manifold for Differential Pressure Systems
US$39.00-68.00
1 Piece(MOQ)
Customized Brass Adjustable Thermostatic 3-Way Mixing Valve for Solar Systems for Easy Installation
US$5.99-6.99
1,000 Pieces(MOQ)
Brass Static Balancing Valve, Manual Double Regulating, for HVAC Hydronic Systems
US$5.30-5.50
500 Pieces(MOQ)
Three-Hole Pilot Main Valve for Refrigeration
US$10.00-1,500.00
1 Piece(MOQ)
1/2 Inch Hose Burst Valve for Hydraulic System Lrv Line Rupture Valve
US$5.00-10.00
10 Pieces(MOQ)
Refrigeration System Three-Hole Pilot Main Valve
US$10.00-3,000.00
1 Piece(MOQ)
White Painted Thermostate Radiator Valve for HVAC System 1/2
US$4.00-4.20
3,000 Pieces(MOQ)
China Ammonia Fluorine Flow Regulating Pilot-Operated Servo Solenoid Valves for Refrigeration Systems
US$80.00-3,000.00
1 Piece(MOQ)
Stainless Valve Deluge Alarm Check Valve for Water Supply System
US$119.00-289.00
1 Piece(MOQ)
Refrigeration System Ics Three-Hole Pilot Main Valve
US$10.00-1,500.00
1 Piece(MOQ)
Freon System Single Hole Pilot Main Valve
US$10.00-3,000.00
1 Piece(MOQ)
Check Valve Wet Alarm Check Valve for Fire Fighting System
US$50.00-179.00
1 Piece(MOQ)
Straight Thermostat Radiator Valve for Floor Heating System
US$2.48-2.53
3,000 Pieces(MOQ)



















