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Custom Air Disc Type Check Valve For Pharmaceutical / Chemical Industries

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Custom Air Disc Type Check Valve For Pharmaceutical / Chemical Industries

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Brand Name : SANMINSE

Model Number : SMWZ644

Certification : ISO9001

Place of Origin : CHINA

MOQ : 20

Price : Negotiation

Payment Terms : L/C, T/T, Western Union

Supply Ability : Negotiation

Delivery Time : Negotiation

Packaging Details : Plastic Bags , Boxes , Carton , Pallet or As Customer Advice

Nominal Pressure : 1.0 ( MPa )

Type : Inlet Valve/Balance Valve

Temperature : ≤200℃

Max test press : 1.5 ( MPa )

DN : 40 , 50, 65 , 80 , 100 , 125 , 150 , 175 , 200 , 225 , 250 , 300

Valve body : Cast iron

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Custom Air Disc Type Check Valve For Pharmaceutical / Chemical Industries


Main Perfomance

Model WZ644-10Q double-disc valve uses a double -disc sealing and sealing surfaces are made from wear-resistant alloy or ceramic. The seal is 100% airtight and the valve achieves a long service life , particularly in applications . Consequently , overall system reliability is increased dramatically .

Operating Performance

When air is introduced into the upper cylinder port , the piston rod pushes the double-disc down and the valve is closed . When air is introduced into the lower cylinder port , the piston rod pushes the double-disc up and the valve is opened . Compression spring being placed between the discs and seal ring , forces the discs the discs against the seal ring , and also allow for discs vertical movement , which helps to compensate the thermal expansion and contraction of the parts and ensure an airtight seal under all conditions . When actuating the valve , the double-disc rotates to lap and polish the sealing surfaces . When product flows through the valve , any material entering the inner chamber is removed by vortex flow action . Hence , the valve is self-cleaning . Additional air purging can be provided to ensure clean-in-place performance . All these characteristics guarantee a long service lofe for the valve and increase the reliability of your system .

Applications

Any dust , powder , and granular products in coal-fired power plants , smelters , iron and steel plants , pharmaceutical and chemical industries .

Technical Parameters

Maximum-Operating Pressure : 1.0MPa

Maximum Test Pressure : 1.5MPa

Operating Temperature : <200℃

Leakage Test Pressure : 1.1MPa

Installation and Application

1. Prior to installation , make sure the pneumatic actuator is free of any defects like breakage and concave .

2. Make sure the joint flange , structural length , maximum operating pressure and nominal diameter are accorded with requirements .

3. During installation , not allowed to readjust studs and nuts that have been fastened originally . Align the center of two pipelines and valve diameter to be coaxial . Keep the flange surface flat . Uniformly apply force to tighten the bolt .

4. After installation , introduce air from the upper and lower cylinder ports to see whether the valve can be normally opened or closed .

5. Cheek the control switch ( if existing ) to see whether it is reliably fastened , whether its parameter is accorded with access power source , and whether it can correctly work under full opening and full closing conditions .

Troubleshooting Method

Troubles Cause Troubleshooting Method
Leakage in sealing surface Dirt between disc and sealing surface Remove the dirt
Damage to seal ring pairs Repair or replace
Leakage in flange joint The bolt is unevenly screwed Evenly screw the bolt
Damage to the flange surface Repair the flange surface
Damage to the spacer Replace the spacer
Valve fails to be correctly opened or closed Dust deposit Remove dust regularly
Insufficient air pressure , severe leakage Repair air supply pipeline
Pneumatic components have been aged and lost efficlency Replace the damaged components
Leakage of stuffing box The stuffing has been aged and severely worn Replace the stuffing

Installation dimension , outline drawing

Model (A series) DN L d K D H n-M 2-A
WZ644-10Q-40 40 120 84 110 150 443 4-M16 2-G1/4
WZ644-10Q-50 50 120 99 125 165 463 4-M16 2-G1/4
WZ644-10Q-65 65 120 118 145 180 528 4-M16 2-G1/4
WZ644-10Q-80 80 120 132 160 195 558 8-M16 2-G1/4
WZ644-10Q-100 100 120 156 180 215 601 8-M16 2-G1/4
WZ644-10Q-125 125 160 184 210 250 730 8-M16 2-G3/8
WZ644-10Q-150 150 160 211 240 285 798 8-M16 2-G3/8
WZ644-10Q-175 175 160 241 270 315 894 8-M16 2-G3/8
WZ644-10Q-200 200 160 266 295 340 958 8-M16 2-G1/2
WZ644-10Q-225 225 160 294 325 370 1028 12-M20 2-G1/2

Main Parts and Materials

Item Name Material Item Name Material
1 Valve body Ductile iron 5 Connecting T-piece Cast steel
2 Side valve body Ductile iron 6 End cap 45#Steel
3 Sealing ring Carbon steel + special alloy 7 Linking neck Hodular cast iron
4 Dise Carbon steel + special alloy 8 Pneumatic actuator aluminum Aluminum cylinder

Custom Air Disc Type Check Valve For Pharmaceutical / Chemical Industries


Product Tags:

electromagnetic pulse valve

      

pulse air valve

      
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