DeZurik APCO SRG-6500 Instruction Manual Download Page 11

Limited Warranty 

DeZURIK, Inc. (“Seller”) manufactured products, auxiliaries and parts for a period of twenty-four (24) months from date of shipment from 
Seller’s factory, are warranted to the original purchaser only against defective workmanship and material, but only if properly stored, installed, 
operated, and serviced in accordance with Seller’s recommendations and instructions.  

For items proven to be defective within the warranty period, your exclusive remedy under this limited warranty is repair or replacement of 
the defective item, at Seller’s option, FCA Incoterms 2020 Seller’s facility with removal, transportation, and installation at your cost. 

Products  or parts manufactured by others but furnished by Seller  are not covered by this limited warranty.  Seller will  provide repair or 
replacement for other’s products or parts only to the extent provided in and honored by the original manufacturer’s warranty to Seller, in 
each case subject to the limitations contained in the original manufacturer’s warranty. 

No claim for transportation, labor, or special or consequential damages or any other loss, cost or damage is being provided in this limited 
warranty. You shall be solely responsible for determining suitability for use and in no event shall Seller be liable in this respect.  

This limited warranty does not warrant that any Seller product or part is resistant to corrosion, erosion, abrasion or other sources of failure, 
nor does Seller warrant a minimum length of service.  

Your failure to give written notice to us of any alleged defect under this warranty within twenty (20) days of its discovery, or attempts by 
someone other than Seller or its authorized representatives to remedy the alleged defects therein, or failure to return product or parts for 
repair or replacement as herein provided, or failure to store, install, or operate said products and parts according to the recommendations 
and instructions furnished by Seller shall be a waiver by you of all rights under this limited warranty. 

This limited warranty is voided by any misuse, modification, abuse or alteration of Seller’s product, accident, fire, flood or other Act of God, 
or your failure to pay entire contract price when due. 
The foregoing limited warranty shall be null and void if, after shipment from our factory, the item is modified in any way or a component of 
another manufacturer, such as but not limited to, an actuator is attached to the item by anyone other than a Seller factory authorized service 
personnel.  

All orders accepted shall be deemed accepted subject to this limited warranty, which shall be exclusive of any other or previous Warranty, 
and this shall 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 WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR OF MERCHANTABILITY OR 
OTHERWISE, EXPRESSED OR IMPLIED IN FACT OR BY LAW, AND STATE SELLER’S ENTIRE AND EXCLUSIVE LIABILITY AND YOUR 
EXCLUSIVE REMEDY FOR  ANY CLAIM IN CONNECTION WITH THE SALE AND FURNISHING OF SERVICES, GOODS OR PARTS, 
THEIR DESIGN, SUITABILITY FOR USE, INSTALLATION OR OPERATIONS. 

Disclaimer 

Metric fasteners should not be used with ASME Class 150/300 bolt holes and flange bolt patterns.  If you use metric fasteners with ASME 
Class 150/300 bolt holes and flange bolt patterns, it may lead to product failure, injury, and loss of life.  DeZURIK Inc. disclaims all liability 
associated with the use of metric fasteners with ASME Class 150/300 bolt  holes and flange patterns, including but not limited to personal 
injury, loss of life, loss of product, production time, equipment, property damage, lost profits, consequential damages of any kind and 
environment damage and/or cleanup.  Use of metric fasteners with ASME Class 150/300 bolt holes and flange bolt patterns is a misuse that 
voids all warranties and contractual assurances.  If you use metric fasteners with ASME Class 150/300 bolt holes and flange bolt patterns, 
you do so at your sole risk and any liability associated with such use shall not be the responsibility of DeZURIK, Inc.  In addition to the 
foregoing, DeZURIK’s Manufacturer’s Conditions apply. 

Limitation of Liability 

IN NO EVENT SHALL SELLER BE  LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,  PUNITIVE,  OR CONSEQUENTIAL DAMAGES 
WHATSOEVER, AND SELLER’S LIABILITY, UNDER NO CIRCUMSTANCES, WILL EXCEED THE CONTRACT PRICE FOR THE GOODS 
AND/OR SERVICES FOR WHICH LIABILITY IS CLAIMED. ANY ACTION FOR BREACH OF CONTRACT BY YOU, OTHER THAN RIGHTS 
RESPECTING OUR LIMITED WARRANTY DESCRIBED ABOVE, MUST BE COMMENCED WITHIN 12 MONTHS AFTER THE DATE OF 
SALE. 

Sales and Service 

For information about our worldwide locations, approvals, certifications and local representative: 

Web site: 

www.dezurik.com

 

E-Mail: 

[email protected]

 

 

250 Riverside Ave. N., Sartell, MN 56377 ● Phone: 320

-259-

2000 ● Fax: 320

-259-2227 

DeZURIK, Inc. reserves the right to incorporate our latest design and material changes without notice or obligation. 

Design features, materials of construction and dimensional data, as described in this manual, are provided for your information only 

and should not be relied upon unless confirmed in writing by DeZURIK, Inc. Certified drawings are available upon request. 

Printed in U.S.A. 

October 2021      

Summary of Contents for APCO SRG-6500

Page 1: ...APCO SRG 6500 SURGE RELIEF GLOBE VALVES Instruction D12020 December 2012 ...

Page 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...

Page 3: ...escription 4 Handling and Storage 4 Installation 4 Fusion Powder Coated Valves 5 Maintenance 5 Disassembly 5 Assembly 6 Disc Seat Replacement 7 Operation 7 Start up Procedure 7 Oil Filling Procedure 8 Adjustment of Flow Control Valve 8 Operation of Internal Cushion 8 Drawings 9 Troubleshooting 10 ...

Page 4: ... Surge Relief valves are delivered to the jobsite factory adjusted and ready for installation It should always be installed with the replaceable resilient seat of the disc facing the system pressure The valve outlet must be piped to discharge into the wet well or into a spillway Valve may be installed in a horizontal or vertical position with the flow upward In either case counterweight arm 44 sho...

Page 5: ...ore servicing the valve 1 Relieve the pressure in the pipeline 2 If it is necessary to remove valve from pipeline set valve standing on its inlet flange 3 Support counterweight 29 then unscrew counterweight set screw 36 and remove counterweight assembly 44 4 Loosen nut 56 holding counterweight arm assembly to pivot shaft 13 and remove counterweight arm assembly 5 Disconnect the pin between cushion...

Page 6: ...ar 9 Insert pivot shaft key 33 in keyway on pivot shaft 13 10 Install pivot shaft 13 from right side of body 1 through disc arm 9 until pivot shaft collar is flush with body 11 Insert pivot shaft straight bushing 11 into the body 1 at the other end 12 Insert pivot shaft seal 17 and pivot shaft cover seal 18 in their respective grooves 13 Insert pivot shaft seal retainer 37 on pivot shaft cover and...

Page 7: ... chamber from the oil reservoir through the flow control valve 59 The amount that disc will open depends on the surge pressure and velocity of the media flowing through the valve When surge pressure has been relieved and pressure in the system drops to normal the disc will close The speed at which the disc returns to the closed position is controlled by adjusting the flow control valve Opening the...

Page 8: ...al Cushion As illustrated below the cushioning of a pneumatic hydraulic cylinder stroke is obtained by trapping the exhaust air oil as the piston assembly nears the end of its stroke In Figure 2 as the Cushion Plunger 1 enters Cushion Cavity 2 the exhaust air oil is almost completely trapped by the Ball Check 3 and the Adjusting Screw 4 creating a back pressure against Piston Assembly The back pre...

Page 9: ...nder Bracket Mounting Screw 23 Eye Bracket Lock Washer 24 Cylinder Bracket 25 Eye Bracket Mounting Screw 26 Eye Bracket Nut 27 Cushion Lever 29 Counter Weight 30 Piping Detail 31 Seat Retaining Ring 32 Seat Retaining Ring Screw 33 Pivot Shaft Key 36 Counter Weight Arm Set Screw 37 Pivot Shaft Seal Retainer 39 Disc Stop Lock Nut 40 Seat Retaining Set Screw 41 Disc Pin Retaining Ring 42 Cover Pipe P...

Page 10: ...lve to remove object Disc seat is worn or damaged Replace disc seat Valve leaks at flange joint Loose flange bolting Tighten flange bolting Blown flange gasket Replace flange gasket Miss alignment or damage to field piping and supports Adjust miss alignment or repair piping or supports Damaged flange face s or improper flange connections Repair flange replace valve body or adjust flange connection...

Page 11: ...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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