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4des-7y Bizter Semi-Hermetic Piston Reciprocating Compressor for Freezer Coldroom
US$1,599.00-1,899.00
1 Piece
Product profile
After-sales Service
Online SupportLubrication Style
LubricatedCooling System
Air CoolingModel NO.
4DES-7YCylinder Arrangement
Balanced Opposed ArrangementCylinder Position
HorizontalStructure Type
Semi-Closed TypeCompress Level
Single-StageRefrigerant Type
FreonType
ReciprocatingPerformance
Low NoiseDrive Mode
ElectricPower Source
AC PowerConfiguration
StationaryMaterial
CopperPiston Type
Semi-ClosedDisplacem,Ent (1450rpm 50Hz)
18,05m3/H (637.4cfh)Displacement (1750 Rpm 60Hz)
21,78m3/H (769.2cfh)No. of Cylinder X Bore X Storke
4X41mmx39,3mm (4X1.61inchx1.55inch)Weight
95kg (209lb)Max. Pressure (Lp/HP)
19/32bar (275/464psi)Connection Suction Line
22mm -7/8"Connection Discharge Line
16mm - 5/8"Oil Type R22 (R12/R502)
B5.2 (Option)Transport Package
Wooden CaseSpecification
CCCTrademark
BizterOrigin
Beijing, China (Mainland)HS Code
8414301900Production Capacity
150 Set/Sets Per WeekKey features
Universal Refrigerant Compatibility: Supports R134A, R404A, R507A, R407c, and R22 with identical compressor design.
High Efficiency Design: Features highly efficient working valves, minimal dead space, and large volume motor.
Quiet Operation: Engineered for low noise and low vibration during smooth running.
Robust Construction: Semi-closed type structure with solid design for high reliability.
Electronic Protection: Includes built-in electronic compressor protection for safety.
Efficient Capacity Control: Equipped with efficient capacity control and 1 unloading head.
Wide Application Range: Suitable for air conditioning, medium, and low temperature refrigeration.
Balanced Opposed Arrangement: 4 cylinders with balanced opposed arrangement and horizontal position.
Company profile

CertifiedBusiness Type: Trading CompanyExport Year: 2007-01-03 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.45h 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:Which refrigerants are compatible with this compressor?
A:
This compressor is universally applicable for R134A, R404A, R507A, R407c, and R22.
Q:What is the cooling system type?
A:
The compressor utilizes an air cooling system.
Q:What is the maximum pressure rating?
A:
The maximum pressure is 19/32 bar (275/464 psi) for LP/HP.
Q:What is the displacement at 60Hz?
A:
The displacement at 1750 RPM 60Hz is 21.78m3/H (769.2cfh).
Q:What is the weight of the unit?
A:
The weight of the compressor is 95kg (209lb).
Send Inquiry
*To:
Shenzhen Sino-Australia Refrigeration Equipment Co., Ltd.
Shenzhen Sino-Australia Refrigeration Equipment Co., Ltd.*Content:
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