Key ParaM.:R134a, R404A, R407A, R407F, R448A, R449A, R452A, R513A,380-460V
Brand name:Danfoss
Model number:121U8551
Product Condition:Factory New / New Surplus
Packaging:Wooden Box / Carton
Delivery time:7~14 days (About)
Warranty:1 Year
Parameter details:Download PDF
Payment methods:![]()
* PayPal and credit card payments for sample orders, Large-value and bulk orders can be settled via T/T with official invoice. Any brand and model—inquire directly!










The Danfoss Compressor is high quality!
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SM175A3VJ
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SY300A9YY
SM090A7RS
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SM175A3XR
SZ175A7PL
SZ148A9PBU
SH260A4ALH
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SZ120A9CAZ
SH475A6ALV
DSH090A3ALR
MTZ072HN5GVE
SH304B3ALQ
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SH360A7ABS
SH865B6ACK
SH560A4ABI
SH970A7ALE
SM084A6VS
SH300B6ACE
SH620A3ACV
MTZ144HV3GVE
SZ090A6PBY
SM148A6PAA
SH300A6ACF
SZ090A3XR
SH380B4ALC
SZ110A6PS
SM110A7AB
SM112A6PAX
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SH281A9ACX
SM110A4CBT
MT36-4VI
SH535B3AAN
SY380A6YG
SM148A4XV
SH090A9AKG
SM161A6PBJ
SH324A3AAV
SZ300A7AT
SY300A6YT
SH380B7ABI
SH240A6ACG
SH180A3ACI
SH368B3AAY
SH260A6ACM
SM084A6CAS
SZ300A7YP
SH140B3ABO
SH184B4ALU
SZ100A9PW
SH161A4ABU
SH295A7AAH
SZ185A4XY
SZ100A7RZ
SM185A3CAA
SH120B6ALG
SH620B7ALY
SH300B4ABU
SH304A7AAG
SH184B7ABF
SH760A4ALL
SY380A7AX
SZ084A4CO
SM147A7PAV
MT80-9VM
SH242B6AAI
SM161A4CBX
SH210A7ACM
SH485A6AKQ
WSH184A4ALE
SM161A7VI
MTZ80-9VI
SZ380A7XK
SH301A7ALC
MT080HP4EVE
SM090A7CAN
SZ110A3YQ
SH380A6AKF
121U8064
SH485A9AAN
SH230A6ABA
SH161A9AAW
SH360A3ALN
SH322B6ALY
SH090A6ACE
SH184B7ABG
SH210A7ALB
SH295A6AJA
SY185A9CBK
SZ240A3XW
SH282B7AAA
SH780B3ABR
SH380B3ABH
MTZ028JE1PVE
SH240B6ABD
SH535B9ALQ
SM110A3PQ
SY240A7YL
SY185A3RP
SZ120A3CBF
MTZ100HS5EVE
SH195B6ACH
SM124A9CBU
SZ110A7XR
SZ090A9CAB
121U8576
SM120A3YP
SH105A9ALI
SZ147A4RG
SH184A7ACO
SH560A7ABE
MTZ144HV9BVE
SM100A6CO
WSH184A3ALR
SZ175A9RI
MT064HM3OVE
SH281A3ABE
SZ110A3AI
SH590A6AAV
SH295A4ABY
SH535B6ABU
SM090A9PT
HRH034U4LP6 120U2443
SZ100A3VD
SZ120A3AG
MTZ018JA3ZVE
SH120A7AAW
SM110A3VV
SH180A9AJU
SZ084A6RL
SM110A4PAW
For more information,please contact us freely
Please confirm the compressor is in stock and verify its core specifications before purchasing. We prioritize matching you with inventory from your local distributor, We provide actual photos for your confirmation before packaging and shipping.
Please select the expedited option at checkout. For lightweight items, you can request "overnight or 2-day shipping". Our customer service will then confirm the expedited schedule (including preparation and shipping), with most orders delivered globally within 2-5 days.
Please ensure that you are purchasing a genuine product, which includes original manufacturer certification and professional test reports.
Unless caused by human error, we promise free replacement or full refund. We provide a total of 3 years of warranty coverage, comprising a 1-year original manufacturer's warranty and an additional 2-year(In-House Warranty) extended warranty for repairs and support.
We offer a repair kit that includes essential installation parts prone to wear and tear. For details, please contact our customer service.
We support a variety of mainstream payment methods (e.g., Visa, PayPal, TT). Our checkout process is quick and secure, with orders processed within the same day.
If you require a single, high-volume delivery, please inquire about our bulk order or wholesale pricing. We can then coordinate a delivery schedule and shipping time.
1. Before shipping, we will send you photos of the actual product for your confirmation ( eg. nameplate, appearance, and report).
2. The product comes with a 1-year manufacturer warranty policy and 3-year in-house warranty.
3. If the product is damaged during transportation or cannot be repaired due to non-human-caused within 1 year, no return, we will directly refund or resend the new product.
4. For select items, we will include a repair kit ( Special Needs Customer Service ).
5. Enjoy a worry-free experience throughout the entire process. Feel free to request quotes and place orders with confidence, we will provide 5-star service until you are satisfied.
6. Shipping and Taxes: See Quotation.
A: The choice depends on capacity and application. We recommend: Screw for large, stable loads and high efficiency; Reciprocating for smaller capacity or specialized low-temperature use; and Centrifugal for very high-capacity HVAC/chiller applications. We offer a data-driven sizing analysis.
A: Our systems are designed with industry-standard interfaces and utilize high-quality, globally recognized components. We ensure that critical accessories and spare parts are readily available through our own supply chain and cross-reference to minimize emergency lead times.
A: We perform a comprehensive heat load analysis that considers ambient temperature, product load, air infiltration, insulation U-values, and processing time. We use this data to select a compressor with the optimal capacity and EER/COP (Energy Efficiency Ratio/Coefficient of Performance) for your target temperature.
A: We provide a comprehensive warranty package (typically $12$-$24$ months on the compressor). We maintain a global inventory of critical spares and commit to an emergency parts lead time (e.g., $24$-$72$ hours to major industrial hubs) to ensure minimal operational disruption.
A: We provide a detailed TCO breakdown encompassing purchase, installation, maintenance, and projected energy costs. We prioritize Variable Speed Drive (VSD) compressors and advanced control systems to modulate capacity, minimizing energy consumption during part-load operation and maximizing long-term savings.
A: Absolutely. Our primary strength lies in supply capability. Whether it's OEM manufacturing or global inventory searches—from components to complete units—we can match your needs with the nearest partner's inventory for rapid delivery. Our global alliance enables transactions at wholesale agency rates. Welcome aboard! Cheers!!