China Screw Compressor Units Manufacturers Suppliers Factory - Custom Screw Compressor Units

The Screw Compressor Units Manufacturer!

Zhejiang Damai Cold Chain Equipment Co., Ltd is located in Zhejiang Province China, with more than 150 workers and take area of morethan 30000 ㎡, At present we are with the most modern production technolo gy to supply the best machines to our clients and the moststrict testing way for making sure our machines" quality.

Types Of Screw Compressor Units

Evaporative Condensing Unit
Evaporative Cooling Is An Independent Circulating Cooling System, Unaffected By Other Equipment. The Circulating Water Quality Is Easy To Maintain, Facilitating Equipment Maintenance And
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Why choose us

Quality Assurance

In our organization there is a team of experts who always inspect the quality of the manufactured products. From start to the last stage of packaging, they give their best efforts to meet the quality standards. Thus we ensure about the durability, energy efficiency and impulsive nature of our delivered products at all times.

OEM/ODM Service

Cold storage projects designing and installation, can supply one -stoppurchase, OEM, ODM service for domestic and abroad clients, wesupport customized service.

Excellent Service

Our professional sales team can reply to your inquiry within 5-10 minutes during working hours and within 24.

Del	Compressor Model							Interface				Size
		Evaporation T_e -25℃		Evaporation T_e -35℃		Evaporation T_e -50℃		Suction Pipe mm	Exhaust Pipe (mm)	Outlet (mm)	Inlet Pipe (mm)	(L)(mm) Length	(W)(mm) Width	(H)mm Height
		Cooling Capacity (KW)	Power (KW)	Cooling Capacity (KW)	Power (KW)	Cooling Capacity (KW)	Power (KW)	Suction Pipe mm	Exhaust Pipe (mm)	Outlet (mm)	Inlet Pipe (mm)	(L)(mm) Length	(W)(mm) Width	(H)mm Height
DM-1D-20-RZL	HSN5343-20	38.6	22.7	25.7	21.2	11.7	17.95	54	42	28	35	2000	1050	1500
DM-1D-25-RZL	HSN5353-25	45.1	25.8	30.1	24.1	13.93	20.5	54	42	28	35	2000	1050	1500
DM-1D-30-RZL	HSN5363-30	51.7	29	34.7	27	16.57	23.4	54	42	28	35	2000	1050	1500
DM-1D-40-RZL	HSN6451-40	62.1	32.6	41.5	30.3	19.38	26.5	54	42	28	35	2200	1050	1500
DM-1D-50-RZL	HSN6461-50	71.4	39.3	48.2	35.9	23.4	30.7	54	42	28	35	2200	1050	1500
DM-1D-60-RZL	HSN7451-60	87.4	46.8	57.8	44.7	26.5	39.7	76	54	45	57	2400	1050	1700
DM-1D-70-RZL	HSN7461-70	98.8	50.8	66.1	47.3	31.3	41.8	76	54	45	57	2500	1050	2150
DM-1D-75-RZL	HSN7471-75	104.1	56.2	70.2	51.3	34.4	44.2	76	54	57	76	2500	1050	2150
DM-1D-110-RZL	HSN8561-110	153.4	82.8	101.2	76.9	48	71.9	108	76	57	76	2600	1250	2250
DM-1D-125-RZL	HSN8571-125	172.4	89.6	116.6	81.1	57.9	72.7	108	76	57	76	2600	1250	2250
DM-1D-160-RZL	HSN8591-160	215	113.4	144.3	105.5	69.9	91.5	108	76	57	76	2800	1550	2250

Advantages of Screw Compressor Units

High Efficiency

One of the biggest perks of screw compressors is their high efficiency. These compressors use two interlocking helical rotors to compress air or gas. Unlike reciprocating compressors that rely on pistons moving up and down, screw compressors have a continuous compression process. This means they can deliver a steady flow of compressed air with less energy loss.

Low Maintenance

Another great thing about screw compressors is that they require relatively low maintenance. Since they have fewer moving parts compared to reciprocating compressors, there are fewer things that can go wrong. The rotors in a screw compressor are designed to be highly durable and can last for a long time with proper care.

Quiet Operation

Noise can be a real problem in a workplace. Loud compressors can not only be annoying for your employees but can also lead to hearing damage over time. Screw compressors are known for their quiet operation. The design of the helical rotors allows for a smoother compression process, which results in less vibration and noise.

Compact Design

Screw compressors come in a compact design, which is a huge advantage if you're short on space. Whether you're setting up a small workshop or a large industrial facility, you can find a screw compressor that fits your space requirements.

Versatility

Screw compressors are incredibly versatile. They can be used in a wide range of applications, from small - scale workshops to large industrial plants. You can use them for tasks like powering pneumatic tools, operating machinery, or even in refrigeration systems.

Consistent Air Quality

When it comes to compressed air, quality matters. Screw compressors are designed to provide a consistent and clean supply of compressed air. They have built - in filtration systems that can remove contaminants like dust, oil, and moisture from the air.

Variable Capacity Control

Many screw compressors come with variable capacity control features. This means that the compressor can adjust its output based on the demand for compressed air. If your business has fluctuating air requirements throughout the day, a screw compressor with variable capacity control can save you a lot of energy.

Engine Driven Options

If you need a compressor that can operate in remote locations or where there's no access to electricity, an Engine Driven Air Compressor is a great option. These screw compressors are powered by gasoline or diesel engines, giving you the freedom to use them anywhere.

Long Service Life

Screw compressors are built to last. With proper maintenance and care, they can have a service life of 15 - 20 years or more. This long service life means that you won't have to replace your compressor frequently, which can save you a significant amount of money in the long run.

Types of Screw Compressor Units

Oil Lubricated Screw Compressors
These compressors utilize oil for sealing, cooling and reduction of friction. The fluid makes the operation less noisy and smoother. It is predominantly applied in industries that require powerful and effective compression like manufacturing and energy inputs.

Oil-Free Screw Compressors
These are suitable for air application processes that require very clean air because they eliminate the possibilities of the effects of oil contamination. They are ideal for industries in food, pharmaceuticals, and electronics.

Dry Oil-Free Compressors
These compressors use advanced techniques to achieve oil-less performance. Timing gears prevent rotor contacts and provide smoother operation.

Water Lubricated Compressors
This cooling and lubrication method is based on using water instead of oil. These can give high-quality air free from pollutants that can be used in delicate applications.

Variable Speed Screw Compressor
Variable speed compressors are efficient since they vary the compressor speed according to the requirement of air. This is the measure to optimize energy use and thus growth of cost-effective environmental impact. They are perfect for application areas in which the air demand varies to a great extent from time to time.

Fixed Speed Screw Compressors
Fixed speed models have a constant operating speed, so they are well suited for their applications and demand of air stable. They provide a very consistent performance. They tend to have simpler controls and are, in most cases, less expensive than variable speed options.

Industrial Applications of Screw Compressor Units

Manufacturing

Provides stable compressed air for assembly lines, pneumatic tools, and painting systems.

Automotive & Electronics

Powers robotics, welding, and precision production lines.

Food & Pharmaceuticals

Supplies clean, oil-free air for hygienic and safe processing.

Mining & Construction

Supports drilling, conveying, and ventilation systems.

Energy & Chemicals

Stabilizes pressure in control valves and instrumentation.

Packaging & Shipping

We have experienced forwarder(DHL,FEDEX,UPS,TNT...) agency to shipment,so the most competitive price can be supplied if you're prefer.
Of course,you can select what you appointed courier to shipment.

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FAQ

Q: What makes a screw compressor the best choice for a large refrigerated warehouse?

A: Unlike piston units, screw compressors provide oil-injected rotary screw technology for continuous gas flow. They are ideal for cold storage logistics because they handle high loads 24/7 with fewer moving parts, meaning lower failure rates and stable temperatures for your cold room projects.

Q: Our blast freezer needs -35°C. Can your screw pack handle that?

A: Absolutely. Our screw compressor unit are designed for industrial refrigeration applications. They perform excellently in low-temperature applications, including quick freezing tunnels and ice rinks, by maintaining high cooling capacity even with low suction pressures.

Q: How do your units help save electricity in a cold storage facility?

A: Our packages often include VFD (Variable Frequency Drive) controls. This allows the compressor to match the exact load of your refrigerated warehouse, reducing power consumption during off-peak hours compared to fixed speed industrial chillers.

Q: What routine maintenance does a screw compressor need?

A: The core tasks involve regular oil and filter changes, checking the oil separator, and monitoring vibration. We design our units for easy access, minimizing downtime for your cold storage operations. Always use genuine parts to maintain efficiency.

Q: What’s the expected lifespan of your screw compressor in a cold room?

A: With proper maintenance, these units are built for longevity. The rotor housing and bearings are robust. Many of our clients in food cold storage and pharmaceutical storage get over 15 years of reliable service before considering a refrigeration upgrade.

Q: If I have multiple cold rooms, should I use one large screw compressor or several smaller ones in parallel?

A: For facilities with varying loads or multiple temperature zones (e.g., a chiller room at +5°C and a freezer at -25°C), we recommend a parallel rack system. Using multiple screw compressor units in parallel provides built-in redundancy. If one unit needs maintenance, the others keep your refrigerated warehouse cold, preventing product loss. It also offers better part-load efficiency than one massive machine.

Q: How do I choose the right size unit for my new cold storage project?

A: Sizing depends on your room volume, insulation, and desired temperature (e.g., cold room vs blast freezer). We help you calculate the necessary BTU/h or kW to ensure you get a compressor that handles peak loads efficiently without short cycling.

Q: My existing refrigerated warehouse is too loud. Are screw compressors quieter?

A: Generally, yes. Screw compressors produce lower vibration and noise levels compared to reciprocating compressors of similar capacity because the compression is rotary, not piston-driven. This makes them better suited for facilities attached to processing areas.

Q: What safety features protect the compressor during a power outage?

A: Our units feature safety protocols similar to industry standards, requiring proper shutdown sequences. For long shutdown periods or storage, we recommend preserving the unit with a dry nitrogen charge to prevent moisture ingress and corrosion inside the refrigeration unit.

Q: Do you provide the complete "package" or just the bare compressor?

A: We supply complete compressor packs! This includes the screw compressor, motor, oil separator, control panel,and framework. It is engineered as a plug-and-play solution for your cold room or industrial chiller system.

As one of the most experienced screw compressor units manufacturers and suppliers in China, we also support custom service. Please feel free to wholesale high quality screw compressor units made in China here from our factory. Welcome to view our website for more information.

Evaporative Condensing Unit, Evaporative Cooled Condenser, screw compressor units

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