Description: Units feature zinc plated heavy duty wing nuts, 5/8" zinc plated eyebolts, zinc plated clevis pins, zinc plated rool pins, 3/16" steel construction and one piece design brackets for superior performance.

Manways are available in 17, 20, 21 or 36" diameter with standard neck lengths at 6 or 12" the weldable base is made of 1/4" steel.

How to purchase

Phone Orders:
Call our sales office at 800-383-6304 (US only)
or 412-787-8400.
 Hours: M-F, 8:00am to 4:00pm (EST)
We accept: Visa, MasterCard & Discover
Shipping: Most orders ship within 2 days from our Union, MO and Pittsburgh, PA warehouse locations.  Read more
Return Policy: No returns will be accepted without Return Merchandise Authorization Number. If you have a return you must call us first at 800-383-6304 for your RMA#.  Read more


12" Portal

Item#: MMA274
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17" Manway

Item#: MMA273
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20" Manway

Item#: MMA278-6
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21" Manway

Item#: MMA275
   See details

36" Manway

Item#: MMA277
   See details