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DeZURIK

 

APCO CVS-EDV Swing Check Valves 

D12042 

Page 16 

February 2016 

 

Table 1 - CVS-EDV Swing Check Valve Parts  Lever & Weight, Lever & Spring, and Cylinder Parts 

Item 

Number 

Description 

  

Item 

Number 

Description 

A1 

Body 

 

B31 

Spring Lever Arm Ret. Screw 3-14" 

A2 

Cover 

 

B32 

Spring Bracket 

A3 

Cover Gasket 

 

B33 

Lever Arm Fabrication 3-14" 

A5 

Body Seat Ring 

 

B34 

Spring 3-14" 

A6 

Seat O-Ring 

 

B35 

Eye Bolt 

A8 

Key 

 

B36 

Eye Bolt Washer 

A9 

Disc Arm 

 

B37 

Eye Bolt Retaining Nut 

A10 

Disc 

 

B38 

Spring Bracket Screw 

A11 

Limit Screw 

 

B39 

Spring Shaft 

A13 

Shaft 

 

B40 

Spring Shaft Nut 

A14 

Body Seat Screw 

 

B41 

Spring Cylinder Pin 

A15 

Disc Seat 

 

B42 

Spring Cylinder Pin Retaining Ring 

A16 

Seat Retaining Ring 

 

B54 

Counterweight Lever Arm Fabrication 

A17 

Disc Seat Screw 

 

B55 

Lever Weight Assy Set Screw 

A18 

Disc Stem 

 

B56 

Lever Arm Washer 

A19 

Disc Nut 

 

B57 

Lever Arm To Shaft Set Screw 

A20 

Disc Washer 

 

B58 

Lever Arm Set Screw Nut 

A21 

Filler Ring 

 

B59 

Counterweight Arm 

A23 

V-Type Packing 

 

B60 

Counterweight 

A25 

Gland 

 

B61 

Cushion Lever Clevis Pin 

A26 

Gland Nut 

 

B62 

Cushion Lever Clevis Pin Retaining Ring 

A27 

Gland Stud 

 

B63 

Y-Connector 

A28 

Cover Nut 

 

B65 

Counterweight Set Screw 

A29 

Cover Nut Washer 

 

B66 

Cylinder Bracket 

A30 

Cover Stud 

 

B67 

Flow Control Valve 

A31 

Data Plate 

 

B68 

Pneumatic Cylinder 

A32 

Drive Screws 

 

B69 

Cylinder Bracket Mounting Bolt 

A42 

Plug 

 

B70 

Clevis Pin 

A64 

Cover Eye Bolt 

 

B71 

Clevis Pin Retaining Ring 

 

 

B72 

Female Clevis Bracket 

 

B73 

Bracket Shim 

 

B74 

Male Clevis Bracket 

 

B75 

Eye Bracket Mounting Bolt 

 

B76 

AC Assy Set Screw 

 

B77 

Lever Arm Set Screw 

 

B78 

Long Flat Key 

 

B79 

Spring Tension Plate 

 

B80 

Y-Connection 

Содержание APCO CVS-EDV

Страница 1: ...DeZURIK Inc Sartell Minnesota USA Phone 320 259 2000 www dezurik com info dezurik com APCO CVS EDV SWING CHECK VALVES Instruction D12042 February 2016 ...

Страница 2: ...ion during shipment however items can be damaged in transport Carefully inspect the unit for damage upon arrival and file a claim with the carrier if damage is apparent Parts Replaceable wear parts are listed on the assembly drawing These parts can be stocked to minimize downtime Order parts from your local DeZURIK sales representative or directly from DeZURIK When ordering parts please provide th...

Страница 3: ...pring Assembly to Opposite Side of Valve 7 Adding Air Cushion Assembly to Valve 8 Operation 9 Closure Speed Control Adjustment Valves with Lever Weight 9 Closure Speed Control Adjustment Valves with Air Cushion 9 Start up Procedure 9 Adjustment Valves with Air Cushion with Lever Weight 10 Adjustment Valves with Lever Weight 10 Drawings 11 CVS EDV Swing Check Valve 11 Lever Weight 12 Air Cushion 13...

Страница 4: ...e storage is unavoidable make sure a vermin proof rain cover water shedding tarp etc is secured around over the equipment to keep off rain and mud Skid and set the assembly on a flat solid and well drained surface for protection from ground moisture runoff and pooled rain water Installation The APCO CVS EDV Swing Check Valve may be installed in a horizontal or vertical position with the flow upwar...

Страница 5: ...tenance It is suggested that these valves which do not require routine scheduled maintenance be included as part of the normal facility equipment inspections for any malfunction while under normal usage conditions Shaft Packing Adjustment Packing adjustment may be needed to optimize packing life on initial start up These valves may open or close swinging the counterweight spring lever arm without ...

Страница 6: ... from the parts list Cut the packing rings to fit around the shaft Install one ring at a time Make sure it is clean and has not picked up any dirt in handling before installing it Lubricate I D of each packing ring Each ring should be firmly seated with a tamping tool Do not depend on the packing gland entirely to seat the set of rings properly This practice will jam the last rings installed but l...

Страница 7: ... 5 Loosen and remove Cover Nuts A28 and Cover Nut Washers A29 Remove Cover A2 6 Loosen and remove Limit Screw A11 7 From the extended shaft side of the valve loosen and remove Gland Nuts A26 remove the Gland A25 V Type Packing set A23 and Filler Ring A21 from the Body A1 Repeat process on side opposite extended shaft 8 Remove the Shaft A13 along with Key A8 from the Body A1 9 Flip and insert Shaft...

Страница 8: ...or Spring Cylinder Mount Bolts B84 On size 3 14 hook ends of Spring B34 thru Eye Bolt B35 and Lever Arm Fabrication 3 14 B33 16 Position Counterweight Lever Arm Washer B56 at end of Shaft A13 Insert Lever Arm to Shaft Set Screw B57 and tighten Adding Air Cushion Assembly to Valve Servicing the valve while the pipeline is under pressure can cause personal injury or equipment damage Relieve pipeline...

Страница 9: ...nstallation For 3 14 valves equipped with a lever spring the stored energy in the extended spring B34 causes the Disc A10 to close in addition to weight of the disc For 16 30 valves equipped with a lever spring the stored energy in the compressed spring B86 causes the Disc A10 to close in addition to weight of the disc System static pressure downstream of the swing check valve keeps the Disc A10 a...

Страница 10: ...ds end of lever a couple of inches Repeat start and stop Slam still persists Continue repeating above steps until satisfactory closing is achieved Then increase opening discharge isolation valve to open Repeat start and stop pump sequence and above steps until isolation valve is full open Lock Flow Control Valve when finished Adjustment Valves with Lever Weight Condition Adjustment Check valve sla...

Страница 11: ...DeZURIK APCO CVS EDV Swing Check Valves February 2016 Page 11 D12042 Drawings Figure 3 APCO CVS EDV Swing Check Valve ...

Страница 12: ...DeZURIK APCO CVS EDV Swing Check Valves D12042 Page 12 February 2016 Drawings Continued Figure 4 CVS EDV Swing Check Valve Lever Weight ...

Страница 13: ...DeZURIK APCO CVS EDV Swing Check Valves February 2016 Page 13 D12042 Drawings Continued Figure 5 CVS EDV Swing Check Valve Air Cushion ...

Страница 14: ...DeZURIK APCO CVS EDV Swing Check Valves D12042 Page 14 February 2016 Drawings Continued Figure 6 CVS EDV Swing Check Valve Lever Spring 3 14 ...

Страница 15: ...DeZURIK APCO CVS EDV Swing Check Valves February 2016 Page 15 D12042 Drawings Continued Figure 7 CVS EDV Swing Check Valve Lever Spring 16 30 ...

Страница 16: ...ever Arm Fabrication A17 Disc Seat Screw B55 Lever Weight Assy Set Screw A18 Disc Stem B56 Lever Arm Washer A19 Disc Nut B57 Lever Arm To Shaft Set Screw A20 Disc Washer B58 Lever Arm Set Screw Nut A21 Filler Ring B59 Counterweight Arm A23 V Type Packing B60 Counterweight A25 Gland B61 Cushion Lever Clevis Pin A26 Gland Nut B62 Cushion Lever Clevis Pin Retaining Ring A27 Gland Stud B63 Y Connector...

Страница 17: ...lve leaks excessively from one side of the disc to the other Foreign matter caught between disc and seat Fully open valve to remove object Disc seat is worn or damaged Repair disc seat or replace valve Valve leaks at flange joint Loose flange bolting Tighten flange bolting Blown flange gasket Replace flange gasket Misalignment or damage to field piping and supports Adjust misalignment or repair pi...

Страница 18: ...ll be the only effective guarantee or warranty binding on Seller despite anything to the contrary contained in the purchase order or represented by any agent or employee of Seller in writing or otherwise notwithstanding including but not limited to implied warranties THE FOREGOING REPAIR AND REPLACEMENT LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES OBLIGATIONS AND LIABILITIES INCLUDING ALL W...

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