Rotary Piston Vacuum Pump Long/Short Pistons

Model NO.: DN40
Trademark: DVE
Transport Package: Neutral Plywood Case
Specification: Spare Parts Of High Level
Origin: Zhejiang, China
HS Code: 8414100000
Model NO.: DN40
Trademark: DVE
Transport Package: Neutral Plywood Case
Specification: Spare Parts Of High Level
Origin: Zhejiang, China
HS Code: 8414100000
 
DESCRIPTIONS
DDCY-Q series vacuum pressure solenoid valve, which is installed on a dedicated mechanical vacuum pump. Installed in the mechanical vacuum pump inlet, and synchronize the opening and closing of the pump.
 
When the pump stops working or power supply is suddenly interrupted, the valve can rely on the force of atmospheric pressure and vacuum valve plate closes automatically closed vacuum system to maintain its vacuum, and the air filled through the orifice valve into the pump chamber in order to avoid contamination of the vacuum pump oil countercurrent system.
 
SPECIFICATIONS
MODEL DN(mm) SIZE(mm) SPECIFICATION MATERIAL
D D1 H n-d LEAK RATE(Pa .L/s) OPEN&CLOSE TIME(s) POWER(w) SUPPLY WEIGHT(kg) VALVE BODY SEAL
DDCY-20Q 20 65 50 50 4-M6 <6.7X10-2 <3 14 -220V 50Hz 1.3 CARBON STEEL RUBBER
DDCY-25Q 25 70 55 85 1.5
DDCY-32Q 32 78 64 95 2
DDCY-40Q 40 85 70 95 3
DDCY-50Q 50 110 90 100 4-M8 3.5
DDCY-65Q 65 125 105 110 5
DDCY-80Q 80 145 125 120 6.5
DDCY-100Q 100 170 145 140 8-M10 10
DDCY-125Q 125 195 170 165 15
DDCY-150Q 150 220 195 190 20
DDCY-200Q 200 275 250 240 12-M10 30
Applicable working medium: air and non-corrosive gases.
 
Note: The uper flange on the pressure diffenence with a sealing groove, the lower flange without sealing groove
 
STM DESCRIPTION QTY REMARK
4 BELT 5 *
13 O-RING 2 *
14 SHAFT SEAL 2 *
14A SHAFT SEAL 3 *
16 LONG SHAFT SLEEVE 1 *
17 O-RING 5 *
18 BEARING 2 **
21 GAS BALLAST VALVE 1 *
25 SHORT SHAFT SLEEVE 2 *
29 O-RING 1 *
32 KEY 2 **
34 KEY 1 **
35 KEY 2 **
45 VACUUM RESERVOIR OIL VALVE 1 **
46 OIL FILTER UNIT 1 *
51 O-RING 1 *
58 MIDDLE SHAFT SLEEVE 2 *
59 O-RING 1 *
63 O-RING 1 *
67 O-RING 1 *
87 O-RING 1 *
88 O-RING 1 *
89 SOLENIOD VALVE 1 *
92 O-RING 1 *
100 POPPET VALVE 3 *
100C VALVE CAP 6 *
100D SPRING 18 *
100E POPPET VALVE 6 *
100F VALVE DECK 3 *
100G O-RING 3 *
103 O-RING 2 *
 
 
DESCRIPTIONS
Vacuum bellows for connection between the device and piping, pipe and tubing. It plays damping, disinfection and compensation due to the vacuum bellows unique features, it is widely used in industrial fields of scientific research, aerospace, aviation, petroleum, chemical, pharmaceutical, electronics, electrical, vacuum processing.
 
SPECIFICATION
Size Waveforms
Φ50 3 6 9 12
Φ80
Φ100
Φ150
Φ200
Φ250
Φ300
Φ400
Φ500
Φ600
Φ700
Φ800
Φ900
Φ1000
Φ1200
Φ1400
Φ1600
Φ1800
Φ2000
NOTE:Vacuum Bellows be devided to loose flanges and without loose flange, the size, length and waveforms can also be customized according to customer's requirements.   
 
IVF VACUUM PUMP INLET OIL MIST FILTER
Filter material is stainless steel woven mesh and stainless steel punching hole mesh, which is used in preceding stage dewater in heavy oil combustion system, can also be used for chemical liquid filtration, precision is 100 um
Filter element material is stainless steel round microporous mesh, apply to the pretreatment and post-treatment system of electronic, petroleum, chemical, pharmaceutical, food and other industrial departments. To further purify water quality which contains low suspended impurities (less than 2 ~ 5 mg/L).
 
OMF VACUUM PUMP OUTLET OIL MIST FILTER 
My company developed OMF series outlet oil mist filter for rotary piston vacuum pumps and rotary vane vacuum pumps. These oil mist filters can filtrate oil mist effectively which discharged by vacuum pumps. Reducing environment pollution significantly and reducing the oil consumption effectively. OMF oil mist filters have by pass valves and exhaust pressure display. If exhaust pressure is too high, by pass valve will be opened automatically for reducing pressure. Compared to other general oil mist filters, OMF oil mist filters are more secure, more reliable. The outer layer of filter core has removable cloth for replacing or washing when the cloth is dirty, greatly extending the life of filter core. 
 
SPECIFICATIONS
Model  OMF-40  OMF-50  OMF-63  OMF-80  OMF-100  OMF-125  OMF-150 
Outlet Dia (mm)  DN40  DN50  DN63  DN80  DN100  DN125  DN150 
Rated Gas Flow (L/S)  30  60  150  220  300  450  600 
By Pass Valve Working Pressure (MPa)  Relative Pressure 0.025 Absolute Pressure 0.125 
Max Discharge Pressure (MPa)  Relative Pressure 0.04 Absolute Pressure 0.14 
Connected Vacuum Pump Model  2H-15DVA 2H-15DVW H-25DVA H-25DVW  2H-30DV 2H-45DVA H-50DV H-60DVA  2H-50DV 2H-70DV 2H-80DV 2H-100DV3 H-70DV H-100DV H-120DV  2H-100DV 2H-120DV 2H-160DV H-150DV H-160DV H-215DV  2H-150DV 2H-225DV H-225DV H-300DV  2H-300DV H-400DV 2H-340 H-450  2H-450 H-600DV 
Net Weight (kg)  13  17  23  35  60  80  110 
 
ADVANTAGE
1. High vacuum, high exhausting efficiency in medium or high vacuum, wide working range, obvious energy-saving results.
2. Integrated rack, compact structure, small required space.
3. High automation, simple operation, easy maintenance, safe, reliable and durable running.
4. To customize a special pump system as per the specific needs of the end user.
 
APPLICATION
Widely used in vacuum coating, vacuum metallurgy, vacuum heat treatment, vacuum drying, vacuum impregnation, vacuum strainer, poly-silicon production, aerospace simulation and so on.
 
Sea Port: Ningbo/Shanghai, China
Standard: CE Mark, Spare Parts Of High Level
Delivery: Normally according to our factory production schedule, but we can follow your first order time 
Warranty: If pump appear quality problems, free replacements of spare parts will be offered within one year
 
WE CAN PROVIDE YOU
1. On-time Delivery, with More Choice 
2. Perfect Technical Support
3. Customized Vacuum Solutions and Service 
4. Samples Available
5.  Long Quality Guarantee 
6. Fast Response to Customers' Feedback in 12 hours 
 
OVERVIEWS OF FACTORY:
 
DEVELOPMENT VACUUM EQUIPMENT CO., LTD 
ADD:DONGGANG INDZONE, TAIZHOU, ZHEJIANG, CHINA PC: 317106
TEL:+86-576-83598308 FAX:+86-576-83598309 
   
DESCRIPTIONS
DDCY-Q series vacuum pressure solenoid valve, which is installed on a dedicated mechanical vacuum pump. Installed in the mechanical vacuum pump inlet, and synchronize the opening and closing of the pump.
 
When the pump stops working or power supply is suddenly interrupted, the valve can rely on the force of atmospheric pressure and vacuum valve plate closes automatically closed vacuum system to maintain its vacuum, and the air filled through the orifice valve into the pump chamber in order to avoid contamination of the vacuum pump oil countercurrent system.
 
SPECIFICATIONS
MODEL DN(mm) SIZE(mm) SPECIFICATION MATERIAL
D D1 H n-d LEAK RATE(Pa .L/s) OPEN&CLOSE TIME(s) POWER(w) SUPPLY WEIGHT(kg) VALVE BODY SEAL
DDCY-20Q 20 65 50 50 4-M6 <6.7X10-2 <3 14 -220V 50Hz 1.3 CARBON STEEL RUBBER
DDCY-25Q 25 70 55 85 1.5
DDCY-32Q 32 78 64 95 2
DDCY-40Q 40 85 70 95 3
DDCY-50Q 50 110 90 100 4-M8 3.5
DDCY-65Q 65 125 105 110 5
DDCY-80Q 80 145 125 120 6.5
DDCY-100Q 100 170 145 140 8-M10 10
DDCY-125Q 125 195 170 165 15
DDCY-150Q 150 220 195 190 20
DDCY-200Q 200 275 250 240 12-M10 Plastic Waterproof Enclosure Box

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