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pipe flange mounting hole diameter

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Hello All,

DN2600 Butterfly valve flange mounting hole diameter = 62mm.
Bolt size = M56.

By mistake we have manufactured water pipeline flange with mounting hole diameter = 60mm.
Now we don't have option to increase hole size to 62mm.

Does it create any problem if I use this 60mm mounting hole pipeline flange to install such a big valve? Is it make difficult to allign valve with pipeline flange?

Please help me with your onsite experiences.

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