DocumentNo.:KE-0015-00 Sheet:17/37
IIIStrainerInstallation
4. InstallationProceduresforthreadedstrainers
4.1 Ensurethatpipeendsarethreaded.
4.2 Cleantheendthreadsofstrainersandtheinsideofconnectingpipeswithdetergentand
cleaningclothtoremoveallforeignobjectssuchascuttingsandoil.
4.3 Applysealingpasteortapeinthethreadedareasofpipes.
4.4 Useappropriatetoolstothreadstrainersintopipes.
4.5 DO NOT applyexcessive torque,when threadingstrainersinto pipes. Torques should
notexceedthevalueshownbelow.
StrainerSize 1/8 1/4 3/8 1/2 3/4 1
N-m 20〜29 20〜29 20〜29 20〜29 39〜49 49〜59
StrainerSize 1-1/4 1-1/2 2 2-1/2
3or
larger
N-m 59〜69 69〜78 78〜88 108〜118 127〜137
4.6 Gradually increase the pressure and temperature of pipeline,, when conducting the
pipelinetest.Retightenallthreadedareasofvalves,ifneeded.