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Summary of Contents for GA Figure 220-D

Page 1: ...iption of Operation 1 Receiving Storage 1 Installation 1 Valve Construction 1 Start Up 2 Preventive Maintenance 2 Trouble Shooting 2 Disassembly 2 Assembly 3 Replacement Parts List 3 Warranty 3 Assembly Drawing Parts Location 4 234 Clay Avenue Mars PA 16046 USA Telephone 724 776 1020 Fax 724 776 1254 E mail info ga vag group com Manual Number 220 IOM 022720 Rev A ...

Page 2: ...ve has ANSI Class 125 flanged connections Figure Numbers suffixed with U indicate the valve has ANSI Class 250 flanged connections An A in the Figure Number e g 220 DA 220 UA indicates the valve is configured for installation in a vertical pipe Consult the drawings of record to verify the configuration supplied and installed Prior to installation ensure all debris packing material or other foreign...

Page 3: ...e DO NOT OVER TIGHTEN Replace packing if necessary Leakage past seat when closed Inspect valve for debris clean Inspect seating surfaces for damage replace as necessary Leakage past cover or flange gaskets Tighten cover or flange bolts Disc oscillating when open Move counterweight s toward shaft Valve slams upon closing Move counterweight s toward end of arm Ensure shaft packing is not too tight I...

Page 4: ...aling surfaces are clean and apply a thin coat of Permatex 2 to both surfaces Tighten cover nuts in an alternating pattern Re tighten as needed after pressure has been introduced 8a Re install the counterweight arm 30 with key 30B and tighten counterweight set screws 30A 9a Slide counterweight s onto shaft and lock in place using set screws 31A Lift counterweight arm and allow it to fall to ensure...

Page 5: ...4 Figures 220 D 220 D 220 U and 220 U Lever Weight Swing Check Valve Parts Location ...

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