Taper Thread Parallel ThreadASME B1.20.1 (SAE AS71051) ANSI B1.1

NPT UnifiedNominal Size Thread Size Nominal Size Thread Size

1 NPT1/16 2 5/16-242 NPT1/8 3 3/8-244 NPT1/4 4 7/16-206 NPT3/8 5 1/2-208 NPT1/2 6 9/16-1812 NPT3/4 8 3/4-1616 NPT 1 10 7/8-14

12 1 1/16-1214 1 3/16-1216 1 5/16-12

Taper Thread Parallel ThreadJIS B 0203 / ISO 7 JIS B0202 / ISO 228

JIS (R, Rc) / ISO (Tapered) JIS (G) / ISO (Parallel)Nominal Size Thread Size Nominal Size Thread Size

R1 R1/16R2 R1/8 G2 G1/8R4 R1/4 G4 G1/4R6 R3/8 G6 G3/8R8 R1/2 G8 G1/2R12 R3/4 G12 G3/4R16 R 1 G16 G 1

Fitting series ： Inch series ： NoneMetric and Schedule series fittings stainless ： M Metric and Schedule series fittings brass ： None

①

CAT No.0094F (EN)

1. Warranty PeriodThe warranty period of the products is one (1) year from putting into service or one and half (1.5) yearsafter delivery whichever comes earlier.However, the products specially specified and/or the cases used under deviating from the specificationshall be exempted.

2. Scope of WarrantyAny failure and damage under makerʼs responsibility will be found during the warranty period, thesubstitutes and/or replacement parts shall be provided free of charge. The warranty shall not be appliedto a claim for the liquidated damages.

WARRANTY CLAUSE