Name: Fire Sprinkler System CPVC Reducer Couplings ASTM F437                                       Material: CPVCStandard: ASTM SCH 80Size: 3/4" * 1/2" ~  2" * 1-1/2" Fire Sprinkler System CPVC Reducer Couplings ASTM F437 Description:  Fire Sprinkler System pipe and fittings are designed specifically for fire sprinkler systems.Fire Sprinkler System CPVC Reducer Couplings ASTM F437  Character:Burning resistance Low smoke toxicityEasy installationLight weightLow friction lossNo rusting,Website:http://www.tupipe.com, pitting, scaling or corrosion, even in salt air environmentsImmunity to Microbiologically Influenced CorrosionLong life Fire Sprinkler System CPVC Reducer Couplings ASTM F437 Specification:Size Outside Dia Socket Type Structure Diameter D1 D2 d1 d2 I1 d3 d4 I2d L L1 3/4" * 1/2"3730.526.8726.5725.421.5421.2322.2216.557.5301" * 1/2"4730.533.6633.2728.5821.5421.2322.2216.558361" * 3/4"473533.6633.2728.5826.8726.5725.42161361-1/4" * 1/2"55.530.542.4242.0431.7521.5421.2322.2216.562.5421-1/4" * 3/4"55.53542.4242.0431.7526.8726.5725.42165421-1/4" * 1"55.54442.4242.0431.7533.6633.2728.582868.5421-1/2" * 1/2"6330.548.5648.1134.9321.5421.2322.2216.565421-1/2" * 3/4"633548.5648.1134.9326.8726.5725.42168441-1/2" * 1"634448.5648.1134.9333.6633.2728.582871441-1/2" * 1-1/4"635448.5648.1134.9342.4242.0431.753575442" * 1/2"7530.560.6360.1738.121.5421.2322.2216.568442" * 3/4"753560.6360.1738.126.8726.5725.4217149.52" * 1"754460.6360.1738.133.6633.2728.582874.549.52" * 1-1/4"755460.6360.1738.142.4242.0431.753578.549.52" * 1-1/2"756060.6360.1738.148.5648.1134.9342.582.549.5