Expansion Epoxy Based Fittings for RTRC Rigid Nonmetallic Conduit
RTRC刚性非金属导管用膨胀环氧基配件
NEMA PRP 3-2009(R2020)阐述了热膨胀和收缩对长直管段的影响。对于这种应用,O形圈膨胀接头用于适应长度的变化。
NEMA PRP 3-2009 (R2020) addresses the effect of thermal expansion and contraction on long, straight runs of conduit. For this application, O-ring expansion fittings are used to accommodate changes in length.