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02"22;•99 18:35 No.0-16 [pis 8 NPT threaded Thread preparation connections Inspect threads on fiberglass adapters and threaded bushings. Do not use if threads are damaged. _. • inspect threads on steel fittings fcr buns. • Remove burrs frond steel fittings by making up to mating steel threads.Unmake the steel fitting and reinspect. r-————————————— Always dry fit Sberg ass and steel threads without sealing compound.It should be possible to cry It the threads as shown in the following tabie,It the proper I In general,threaded connections I number of threads cannot be mace up,select a new steet fitting. jshould be made up before adhesive- [ tondec ioinis to minimize d^.e I !Making the joint I possibility of damage to bonded Joints I y I rereads must be dean and dry before appiylrtg thread-sealing Compound. caused btorquing the threaced [ connections,However,when Installing I • Use a nonnar len,ng,solvent-free Terson based thread sextant such as Jomar [ molded threaded hushings(tapered I Seat"The Hesvyweight'or Gasoiia Soft Set pipe sesiant. [ major nominal pipe size x threaded I Apoly sealirrtg compound to male and female threads. I minor nominal pipe size)make the I Hand tighten the joint.then I tapered bonded joint first and allow it use a wrench to get fullThreads to Dry Fit and to Sell I to cure before making up the threaded 1 make-up.StardarC pipe Norninal joint.This order of joint make-up will [ wrenches can be used with Pipe Size Threads to Additional ] care on fiberglass adapters: C,n) 0 l=it Threads to Seat prevent damage to the bushing. I DO tot overtightert. C ) ;.mm) Dry-� - L---- -----J 1�h 5C 4-6 3 The parts shot�Ci makeup 2 5C z-b 3 the number of threads 3 30 5--5 3 shown in the table above. 4 '00 $-7 2 Otherwise,a proper seal 6 t 50 7-3 2 may not be elected when tigntened. Isolating flex connectors at the shear valve r—— ————, When`lex connectors are directly buried at the dispenser,regulations frequently Never use 3 pipe I require that they ne cathodicaily protected and provisions oe made to avoid stray I wrench directly on the = current electrolysis and corrosion.In such cases the flex connector must be electrically pipe:wrench up only 1 isolated from the shear valve and from other metallic comporents in the system. on adapters. Experience has showrn t�t t nyion isolation aCapters do not perform well inasmuch as w. L————————J the poor rnechanical sirgth of the material results in creep or thread deformation with subsequent leakage. Ameron rrarxractures a 1'h NPT female x 1;� NPT mate fibergiass-reinforced isolation adapter whic:f may be mounted beOween the flex connector and the shear valve. Follow the same general installation procedures as with other NPT ihreaeed rrttings.After applying the sealing compound,hand tighten the arcapter.Final make-up requires 1',h to 2 acC;Bons turns. Shear vaive er �r t%NPT f emale 2rl+ :�i NPT o oktaiay k5oleti7n J Fig_8-7. The A.Meron fiberglassl�,adapter -refnfcmW � isolation adwWis mounted between the i flex wnno-cror and the shear valve. Vii t S T ;f•�rPT 3S f lex cannecitx �\. 'h NPT male f arnaie bath ends by others) i 12