Wil-loc offers two different threaded shanks for the male connections. The 020 Series allows the locking ring lever to clsoe above the male NPT threads. The 022 Series locking lever closes below the male NPT threads. Check application clearance before choosing the correct fit.
Before installing a Wil-loc Threaded Fitting, apply an all-purpose anti-seize product to threads. If the fitting should have to be removed from the pump, the anti-seize product can prevent seizure of the threads.
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