LRK7002LT1G LRK7002WT1G LRL-1/2-NPT-QS-1/2-U LRL-1/2-QS-12 LRL-1/4-NPT-QS-1/4-U LRL-1/4-NPT-QS-3/16-U LRL-1/4-NPT-QS-3/8-U LRL-1/4-NPT-QS-5/16-U LRL-1/4-QS-10 LRL-1/4-QS-6