Vacuum Bellows for Pharmaceutical Industry Vacuum Process

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Model NO.: DN80
Material: Ss/Iron
Sea Port: Ningbo/ Shanghai
Trademark: DVE
Transport Package: Neutral Wood Box
Specification: Spare Parts Of High Level
Origin: Zhejiang, China
HS Code: 8414100000
Model NO.: DN80
Material: Ss/Iron
Sea Port: Ningbo/ Shanghai
Trademark: DVE
Transport Package: Neutral Wood Box
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.
Vacuum Bellows for Pharmaceutical Industry Vacuum Process 
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

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