Reciprocating Piston Air Compressor AC DC Copper Wire Motor Air Pump Large Displacement Compressor Silent Oil-Free Air Compressor 8bar 750W*3

• Customization: Available
• After-sales Service: Remote Guided Maintenance
• Warranty: 2 Years
• Model NO.: BW704
• Principle: Mixed-Flow Compressor
• Application: Back Pressure Type, Intermediate Back Pressure Type, High Back Pressure Type, Low Back Pressure Type
• Performance: Low Noise, Variable Frequency, Explosion-Proof
• Mute: Mute
• Lubrication Style: Oil-free
• Drive Mode: Electric
• Configuration: Stationary
• Power Source: AC Power
• Material: Copper
• Transport Package: Carton + Tray
• Specification: 704af series
• Trademark: BESTEN
• Origin: Zhejiang, China
• HS Code: 8414804090
• Production Capacity: 50000PCS/Year

Product Description

  

Model		BW704
Voltage/frequency	1.220-230V/50/60Hz 2.100-120V/50/60Hz 3.380-440v/50Hz	1,3 optional
Power	KW	3.12
	HP	4
Volume flow	L/min @0MPa	700
	L/min @0.7MPa	220
Pressure	Bar	8
	MPa	0.8
Tank volume	L	180
	US gallons	47.5
Noisy	dB	60
Pressure switch	According to customer's requirements .
Configuration optional	1. Add oil and water separator; 2. Add automatic drainer; 3.Air tank against rust spray	1,2,3 optional
Size	L*W*H cm	130*48*92
Weight	Kg	115
Packing	Cartons or wooden cases size cm	Wood 132*50*95

Typical application
For medical devices	Laboratory use
Dental treatment chair	For chromatographic analyzer
For qualification analyzer	For woodworking
For plant gas supply	Hardware and electromechanical
For automobile maintenance shop

      Why choose besten air compressor
1. It saves 10-30% energy than the air compressor produced by ordinary manufacturers.
2. It is widely used in medical oxygen generator and ventilator .
3.  A large number of high-speed train and automobile application cases, supporting - 41 to 70 ºC, 0-6000 meters above sea level .
4. Medium and high-end quality, with more than 7000 hours of trouble free operation for conventional products and more than 15000 hours of trouble free operation for high-end  products.
5. Simple operation, convenient maintenance and remote guidance.
6. Faster delivery time, generally completed within 25 days within 1000 PCs.

 

Machine Parts

Name: Motor 
Brand: COMBESTAIR 
Original: China
1.The coil adopts the fine pure copper enameled wire, and the rotor adopts the famous brand silicon steel sheet such as Shanghai baosteel.
2.The customer can choose the insulation grade B or F motor according to What he wants.
3.The motor has a built-in thermal protector, which can select external heat sensor.
4.Voltage from AC100V ~120V, 200V ~240V, 50Hz / 60Hz, DC6V~200V optional ; AC motor can choose double voltage double frequency ; DC Motor can choose the control of the infinitely variable speed.

Machine Parts

Name: Bearing
Brand: ERB , TPI , NSK 
Original: China ect.
1.Standard products choose the special bearing 'ERB' in oil-free compressor, and the environment temperature tolerance from -50ºC to 180 ºC . Ensure no fault operation for 20,000 hours.
2.Customers can select TPI, NSK and other imported bearings according to the working condition.

Machine Parts

Name: Valve plates
Brand: SANDVIK
Original: Sweden
1.Custom the valve steel of Sweden SANDVIK; Good flexibility and long durability.
2.Thickness from 0.08mm to 1.2mm, suitable for maximum pressure from 0.8 MPa to 1.2 MPa.

Machine Parts

Name: Piston ring
Brand: COMBESTAIR-OEM , Saint-Gobain
Original: China , France
1.Using domestic famous brand--Polytetrafluoroethylene composite material; Wear-resistant high temperature; Ensure more than 10,000 hours of service life.
2.High-end products: you can choose the ST.gobain's piston ring from the American import.

serial number	Code number	Name and specification	Quantity	Material	Note
1	212010109	Fan cover	2	Reinforced nylon 1010
2	212010106	Left fan	1	Reinforced nylon 1010
3	212010101	Left box	1	Die-cast aluminum alloy YL104
4	212010301	Connecting rod	2	Die-cast aluminum alloy YL104
5	212010304	Piston cup	2	PHB filled PTFE
6	212010302	Clamp	2	Die-cast aluminum alloy YL102
7	7050616	Screw of cross head	2	Carbon structural steel of cold heading	M6•16
8	212010501	Air cylinder	2	Thin wall pipe of aluninun alloy 6A02T4
9	17103	Seal ring of Cylinder	2	Silicone rubber
10	212010417	Sealing ring of cylinder cover	2	Silicone rubber
11	212010401	Cylinder head	2	Die-cast aluminum alloy YL102
12	7020525	Screw of inner hexagon Cylinder head	12		M5•25
13	17113	Sealing ring of connecting pipe	4	Silicong rubber
14	212010801	Connecting pipe	2	Aluminum and aluminum alloy connecting rod LY12
15	7100406	Screw of Cross head	4	1Cr13N19	M4•6
16	212010409	Limit block	2	Die-cast aluminum alloy YL102
17	000402.2	Air outlet valve	2	7Cr27 quenching steel belt of The Swedish sandvik
18	212010403	valve	2	Die-cast aluminum alloy YL102
19	212010404	Air inlet valve	2	7Cr27 quenching steel belt of The Swedish sandvik
20	212010406	Metal gasket	2	Stainless steel plate of heat and acidresistance
21	212010107	Right fan	1	Reinforced nylon 1010
22	212010201	Crank	2	Gray castiron  H20-40
23	14040	Bearing 6006-2Z	2
24	70305	Tighten screw of inner hexagon flat end	2		M8•8
25	7020520	Screw of inner hexagon Cylinder head	2		M5•20
26	212010102	Right box	1	Die-cast aluminum alloy YL104
27	6P-4	Lead protective ring	1
28	70905152-211	Hexagon head bolt	2	Carbon structural steel of cold heading	M5•152
29	71005120-211	Screw of Cross head	2	Carbon structural steel of cold heading	M5•120
30	16602	Light spring washer	4		ø5
31	212010600	Stator	1
32	70305	Lock nut of hexagon flange faces	2
33	212010700	Rotor	1
34	14032	Bearing 6203-2Z	2

 

FAQ

Q1: Are you factory or trade company?  
A1: We are factory.

Q2: What the exactly address of your factory? 
A2: Our factory is located in Linbei industrial area No.30 Ruian City of Zhejiang Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: Generally, 1000 pcs can be delivered within 25 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome

Q7:Can you accept non-standard customization?

A7:We have the ability to develop new products and can customize, develop and research according to your requirements