* Bill includes $15.25 billion in for disaster aid
* Congress to address fiscal issues again in December
* Pre-vote meeting did not persuade hard-line Republicans (Recasts with context on bill, detail from House Republicans' meeting; changes byline)
WASHINGTON, Sept 8 (Reuters) - U.S. lawmakers approved a bill on Friday extending the government debt limit for three months and providing about $15 billion in hurricane-related aid, delivering on President Donald Trump's surprising deal this week with Democratic congressional leaders.
The bill, approved in a 316-90 vote by the U.S. House of Representatives, had ignited criticism of Trump from some conservative members of Congress. But it was passed by the Senate on Thursday and now goes to the Republican president, who is expected to sign it quickly.
Despite controversy, lawmakers had rushed to approve the legislation, which provides $15.25 billion for emergency disaster aid, before government aid ran out at week's end as Americans deal with two deadly hurricanes including Irma, a potentially catastrophic storm poised to strike Florida on Sunday.
Hurricane Harvey, which came ashore on Aug. 25 as the most powerful hurricane to hit Texas in more than 50 years, killed about 60 people, displaced more than 1 million and the state governor has said it caused up to $180 billion in damage.
The bill raised questions about the relationship between Trump, a political outsider who took office in January, and Republican Party regulars. He has frequently criticized Senate leader Mitch McConnell and House Speaker Paul Ryan and his deal on Wednesday with Democratic congressional leaders Senator Chuck Schumer and Representative Nancy Pelosi was an especially troublesome shock for conservative members.
Conservatives' souring relations with the administration are likely to remain a factor as Congress and the White House now face a Dec. 8 deadline on the debt limit and government spending.
Before the vote, U.S. Treasury Secretary Steven Mnuchin and White House budget director Mick Mulvaney had pleaded the White House's case to Republican lawmakers at a Friday morning meeting. It was not well received by some.
"There's a lot of disappointment in the decision the president made and the way our leadership was treated," said House Republican Representative Hal Rogers, describing a sense of "animosity" at the meeting. "That's a sore spot. Its not a happy camp."
"There was some hissing and I don't know if there was some booing but there were some groans," Republican Representative Mark Walker said.
Mulvaney told the representatives now was the time to discuss Washington fiscal problems because of the hurricanes. Conservatives reminded him that during his days as one of the most conservative members of Congress, he had been a strong advocate for threatening government shutdowns in order to win concessions on spending.
"It got a little warm for him a few times," Walker said.
More moderate Republicans welcomed the bipartisan approach.
"If we can reach across the aisle, we can get things done and not be held hostage by 30 or 40 people," said Representative Peter King. "You cant just have one party govern."
DEBT CEILING FIGHT
The bill's $15.25 billion in emergency funding includes $7.4 billion for the Disaster Relief Fund at the Federal Emergency Management Agency, $450 million for the Small Business Administration's disaster loan program and $7.4 billion for the Community Development Block Grant program at the Department of Housing and Urban Development.
Some conservative groups had objected to coupling a debt-limit increase with the emergency funds but McConnell moved ahead at Trump's urging.
Walker said Mnuchin gave conservatives little hope that the Trump administration would fight to include the spending restrictions they want to see in the next debt ceiling increase in December.
In Wednesday's meeting with congressional leaders, Trump had sought to work out a deal to attach to the disaster funding two short-term, three-month measures to fund the federal government at current levels and extended its borrowing limit, known as the debt ceiling.
Current government funding was set to expire at the end of the month, with a possible government shutdown looming, and the U.S. Treasury had asked Congress to immediately raise the debt limit.
Some House Republicans balked at the scope of the deal attaching the two crucial fiscal measures and called it a win for Democrats.
Republicans had wanted to raise the debt ceiling for a longer period that would have extended past the 2018 midterm elections. Trump sided with the Democrats, who favored a short-term extension.
Republican Senator Ben Sasse said on Thursday the deal makes Schumer "the most powerful man in America for the month of December."
The three-month term of the debt limit and spending deal could give Democrats a better chance of winning higher government spending levels in December. It also could strengthen their demand for fixes to the Obamacare healthcare law, as well as rush through legislation protecting some undocumented immigrants who arrived in the United States as children.
Republicans fear that having to deal with spending and debt again in December will distract them from other issues, such as tax reform. (Reporting by David Morgan and Richard Cowan; Additional reporting by Richard Cowan; Writing by Bill Trott; Editing by Tom Brown)