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Danfoss Nrv6 Refrigeration Check Valve Type Nrv Series for Condensing Unit
US$10.00-20.00
1 Piece
Product profile
After-sales Service
Online SupportType
Accessories for BfpCooling Water
Industrial WaterModel NO.
NRV6System Type
Closed SystemFans Species
Single-speed FanNoise Level
LowApplication Fields
Food ProcessingCertification
RoHS, UR, ISO, CE, CCCCondition
NewDirection
StraightwayOutlet Connection Type
FlareOutlet Size [in]
1/4 in 6 mmInlet Size [in]
1/4 in 6 mmTransport Package
CartonsSpecification
CE / RoHsTrademark
DanfossOrigin
ChinaHS Code
8418991000Production Capacity
1000Key features
Unidirectional Flow Control: Prevents refrigerant backflow in condensing units and compressor discharge lines.
Parallel Compressor Compatibility: NRVH type features stronger springs for compressors in parallel with high pulsation.
Comprehensive Certifications: Certified with RoHS, UR, ISO, CE, and CCC for global compliance.
Precision Connection Sizes: Available in 1/4 inch (6mm) inlet and outlet sizes with strict tolerance.
Online Technical Support: Dedicated online support available for product selection and troubleshooting.
Coolselector Software: Compatible with Danfoss Coolselector for accurate dimensioning and selection.
Low Noise Operation: Designed for low noise levels suitable for food processing environments.
Multiple Payment Options: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
Company profile

CertifiedBusiness Type: Trading CompanyExport Year: 2007-01-03 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.52h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR
AI-Powered supplier vetting
SummaryShenzhen Sino-Australia Refrigeration Equipment Co., Ltd. is a China-based limited trading company established in 2005, specializing in refrigeration compressors, units, cold rooms, evaporators, condensers, and related components. The supplier states that it provides one-stop refrigeration solutions, accepts customization, and offers after-sales service. It reports ISO9001-2000 approval and export quality certification, with products exported to multiple international regions. Operational information indicates a factory in Huizhou, more than 10 production lines, six years of R&D engineer experience, and fewer than five quality-control staff. Export activity began in 2007, and the company has self-managed import-export rights. However, the provided information does not substantiate financial credibility or identify specific customer cases, and the after-sales capability is supported mainly by the supplier’s own stated service promise.
Supplier typeThe supplier is explicitly identified as a trading company and a shareholding-system company specializing in the trade of refrigeration compressors, freezing equipment, and air-conditioning components. It also reports a factory location and production lines, indicating supplier information includes both trading and production-related activities, but the registered business type remains Trading Company.
CertificationsThe supplier states that its products passed ISO9001-2000 approval and hold Quality Certification for Export. These are explicit certification claims supporting quality-management and export-compliance capability, although no certificate numbers or validity dates are provided.
After-Sales capabilityThe supplier explicitly promises perfect after-sale service and describes an excellent service working team. This supports the existence of a stated after-sales commitment, but the slices do not provide details on service coverage, response times, warranty terms, or service personnel.
Production capacityThe supplier lists multiple refrigeration products under its own CNAU brand and reports a factory in Huizhou, more than 10 production lines, and fewer than five quality-control staff. These details support established production capability, while the relatively small stated quality-control team may indicate limited quality-control staffing compared with the reported production-line count.
Customization capabilityThe company explicitly states that it provides one-stop refrigeration system solutions and accepts customization. This directly supports customization capability, although the scope, engineering process, minimum order requirements, and customization examples are not specified.
Product Q&A
Q:What is the primary function of the Danfoss NRV6 check valve?
A:
It controls the unidirectional flow of refrigerant to prevent backflow in air conditioning and condensing units.
Q:Which type should be used for compressors in parallel?
A:
The NRVH type is recommended for compressors in parallel (power packs) due to its stronger spring for handling higher pulsation and vibration.
Q:What software is recommended for selecting this valve?
A:
It is recommended to use Coolselector, a Danfoss calculation and selection software, for dimensioning and selecting the right valve.
Q:What are the available connection sizes?
A:
The valve is available with 1/4 inch (6mm) inlet and outlet sizes, with specific tolerance ranges provided for each model.
Q:What certifications does this product hold?
A:
The product holds RoHS, UR, ISO, CE, and CCC certifications.
Send Inquiry
*To:
Shenzhen Sino-Australia Refrigeration Equipment Co., Ltd.
Shenzhen Sino-Australia Refrigeration Equipment Co., Ltd.*Content:
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