Powered by Made-in-China.com

Liquid Level Switch 20mm Float Switch
US$150.00-400.00
1 Piece
Product profile
Customization
AvailableNominal Pressure
4MPa, 6.3MPaApplicable Medium
R12, R22, R502, R134A, R404A, R507, R717 and OtherModel NO.
LS50Applicable 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
DN20, DN25Trademark
DOFUNOrigin
ChinaHS Code
8481804090Production Capacity
150000 SetsKey features
Multi-Medium Compatibility: Suitable for R12, R22, R502, R134A, R404A, R507, R717, NH3, Freon, and CO2.
High Pressure Capacity: Supports nominal pressures of 4.0MPa and 6.3MPa for robust industrial use.
Premium Material Construction: Valve rod made of 304 Stainless Steel for durability and corrosion resistance.
Flexible Structure Options: Available in both Angle and Straight structure forms to fit various layouts.
Global Certifications: Certified by CE, ISO, SGS, TUV, and Bsi ensuring international quality standards.
Custom Color Options: Valve body available in Grey and Red colors to match specific requirements.
OEM/ODM Support: Manufacturer offers OEM and ODM services with 6 R&D engineers for customization.
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:
It is applicable for R12, R22, R502, R134A, R404A, R507, R717, NH3, Freon, and CO2.
Q:What materials are used for the valve components?
A:
The valve rod is made of 304 Stainless Steel, and the body comes in Grey or Red.
Q:Does the manufacturer offer customization services?
A:
Yes, OEM and ODM services are available, including custom nominal pressures and colors.
Q:What certifications does the product hold?
A:
The products are certified by CE, ISO, SGS, TUV, and Bsi.
Q:What are the payment terms?
A:
Payment terms include LC, T/T, and Western Union.
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
Liquid Level Switch Float Switch 20mm 25mm Aks38
US$150.00-400.00
1 Piece(MOQ)
Float Switch 20mm Liquid Level Switch Aks38 Llss Liquid Level Switch
US$150.00-400.00
1 Piece(MOQ)
Nh3 Freon CO2 Use Liquid Level Switch Float Switch
US$285.00
1 Piece(MOQ)
Float Switch Liquid Level Switch 20mm Valve for Ammonia Refrigeration System
US$150.00-400.00
1 Piece(MOQ)
Level Switch 20 mm Liquid Level Sensor Liquid Level Switch Float Switch
US$150.00-400.00
1 Piece(MOQ)
Top Quality Nh3 Freon CO2 Use Liquid Level Switch Float Switch Supplier
US$285.00
1 Piece(MOQ)
Electromechanical Float Level Switch Aks 38
US$285.00
1 Piece(MOQ)
Air Conidition Fittings Automatic Reset Pressure Switch Pressure Control Switch
US$0.20-0.50
500 Pieces(MOQ)
Original Aks38 Liquid Level Switch for Ammonia Nh3 Fluorine Freon
US$285.00
1 Piece(MOQ)
Limit Switch Box Waterproof Explosion Proof Rotary Position Indicator
US$27.00
10 Pieces(MOQ)
Qf501A Two Vent Switch Handle Type 2-Way Gas Rotary Valve Switch
US$16.00-22.00
1 Piece(MOQ)
Switch Box Explosion-Proof Travel Limit Construction Machinery Parts
US$27.00
10 Pieces(MOQ)
Valve Limit Switch. Apl-410n Apl-412n Apl-420n Apl-430n Apl-400 Valve Actuator
US$25.00
1 Piece(MOQ)
Wholesale High Pressure and Low Pressure Sensor Air Switch
US$0.50-1.20
100 Pieces(MOQ)
Actuator Controller Apl-410 Limit Switch
US$27.00
10 Pieces(MOQ)
Factory Price Supply Dual Pressure Switch Price for Refrigeration System
US$14.80-16.20
50 Pieces(MOQ)
UL Listed FM Approved 250psi Waterflow Pressure Switch for Fire Protection Application
US$45.00-55.00
10 Pieces(MOQ)
Sprayer Trigger Handles Brasscocks Copper Switches
US$0.02-0.05
1,000 Pieces(MOQ)
Factory Price Qf501A Secondary Vent Switch Manufacturer Supplier
US$16.00-22.00
1 Piece(MOQ)



















