A provision in a written contract to settle by arbitration a controversy that may arise therefrom or a refusal to perform the whole or a part thereof or a written agreement to submit, pursuant to section 2A:24-2 of this title, any existing controversy to arbitration, whether the controversy arise out of contract or otherwise, shall be valid, enforceable and irrevocable, except upon such grounds as exist at law or in equity for the revocation of a contract.

L.1951 (1st SS), c.344.