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I believe it's a steam relief valve
Type 1545
3/4"
ASME Standard
75# , 192 cu ft a minute
Patented 1926 Canada

Seals in place
$35 plus shipping
USPMO or PayPal , buyer handles fees
Send zip in Private Message
Thanks
Roy

Attached picture DSCN3674.JPG
Attached picture DSCN3675.JPG
It's for air
bump
$30 shipped in USA
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