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What is the maximum pressure SIGMA fittings have been tested to ?

April 26, 2017fittings maximum pressure Sigma tested

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What is the maximum pressure SIGMA fittings have been tested to ?

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SIGMA has tested each design to 3 times WWP as required by AWWA. Some third party agencies exceed these requirement : Factory Mutual (FM) has tested SIGMA fittings (16″ and below) to 4 times WWP and UL has tested SIGMA fittings ( 6″ and below) to 5 times WWP.