Brian Lord, HMP Manchester branch secretary for the POA, said raising the retirement age would be "unsafe".
He said he had looked at CCTV footage and the POA's version of events had been exaggerated.
Juliet Lyon of the Prison Reform Trust said she wanted the POA to show a bit more flexibility.
Mr Maude said he did not want to "pre-empt" the POA executive's decision.
The POA has claimed those disciplined were denied "natural justice" during the investigation.
Glyn Travis, spokesperson for the POA union, which represents staff at the centre in Swinderby, said his members were in danger.
Michael Spurr, chief executive of the National Offender Management Service (Noms), said he was "extremely disappointed" the POA had decided to strike.
Tony Merrick from the Prison Officers Association (POA) has said he was "confident" there would be no compulsory redundancies at HMP Shrewsbury.
BBC: HMP Shrewsbury: MP calls for talks with Prisons Minister
Around 100 POA members on the 07:00 shift gathered for a "protest meeting" outside HMP Manchester, formally known as Strangeways, on Thursday morning.
Prison officers union, the POA, said five members of staff had been hurt, and added it feared one of its members would get killed.
But POA's Camp Hill branch secretary Ben Cooper, who has set up an e-petition against the closure, estimated 160 posts out of 750 staff at HMP Isle of Wight would go.
Mr Masefield said that the POA was operating a withdrawal of goodwill across the prison estate over the dispute and that this was "having an adverse impact on prisoners and on their families".
The government was in court within hours seeking an injunction to stop the strike - the POA has admitted breaking a "no-strike" deal but said it was a desperate move by demoralised staff in overcrowded jails.
The specifics of the pay award could be resolved quickly - but that in itself won't deal with the POA's planned withdrawal from its pay and conditions agreement, put in place to underpin all negotiations with government.
BBC: NEWS | UK | UK Politics | Analysis: Prison challenges ahead
The practice gives the Bermuda turf a year to recover from its annual battle with the rye, and creates a window for groundskeepers to eradicate the unwanted poa annua grass that threatens to creep onto the greens.
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He said that "every individual has a right to an appeal in line with the procedures" and that the POA wanted "a pre-determined outcome to the appeal process and management has made clear that it will not interfere in that process".
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