BSPT THREADS HAVE ON THE WHITWORTH THREAD FORM WHICH IS DESIGNED TO PROVIDE A PRESSURE-TIGHT FIT THROUGH MATING OF THE THREADS. THIS IS ACCOMPLISHED BY CUTTING THE THREADS ON A TAPER. BECAUSE THEY ARE TAPERED THE THREAD CAN ONLY SCREW INTO THE COMPANION FEMALE THREAD A CERTAIN DISTANCE BEFORE IT JAMS. THE STANDARD SPECIFIES THIS DISTANCE AS A LENGTH BASED ON HAND-TIGHT ENGAGEMENT; A CONVENIENT RULE-OF-THUMB FOR PLASTIC THREADS IS FINGER-TIGHT PLUS 1/2 TO 1 TURN WITH A WRENCH. DO NOT OVER-TIGHTEN PLASTIC THREADS STRESS ON THE FITTING CAN RESULT IN ITS FAILURE. FEATURES UL STYLE""MARGIN-TOP0PX;PADDING-TOP5PXPADDING-BOTTOM5PX;"" FITTINGS EXHIBIT THE SAME PHYSICAL AND CHEMICAL RESISTANCE PROPERTIES AS NATURAL KYNAR®. FITTINGS CONTAIN RECYCLED RUNNER MATERIAL PRODUCED DURING VIRGIN MATERIAL NATURAL KYNAR® PRODUCTION RUNS. APPLICATIONS THAT DO NOT REQUIRE LOT TRACEABILITY OR A MATERIAL THAT MEETS USP CLASS VI REQUIREMENTS FITTINGS REPRESENT AN EXCELLENT VALUE. TEMPERATURE RANGE -80°F TO 226°F (108°C). PRESSURE 260 PSI AT 70°F.
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