It is also sometimes called National Pipe Thread, NPTF (F for Fuel), American Standard Taper, or simply "pipe".
Types of NPT adapters: male or female adapter
Product Standard : ISO 11926-3, SAE J514 and BS 5200
Size of NPT adapters size chart is 1/8 NPT, 1/4 NPT, 3/8 NP, 1/2 NPT, 3/4 NPT, 1" NPT etc.
Material: carbon steel, stainless steel or copper alloy
Shape of NPT fitting adapters: straight, Elbow, Tee, Cross, Reducer etc.
NPT fitting adapters to swivel fitting, metric adapter, bspp adapter, sae adapter etc.
BNUN NPT MALE/NPSM FEMALE/NPT MALE adapter dimensions as follows:
PART NO. | THREAD | DIMENSIONS | ||||||||
E | F | G | A | B | C | S1 | S2 | |||
BNUN-04 | Z1/4"X18 | 1/4"X18 | Z1/4"X18 | 25.5 | 4.6 | 25.5 | 14 | 19 | ||
BNUN-06-04-06 | Z3/8"X18 | 1/4"X18 | Z3/8"X18 | 31 | 4.6 | 31 | 19 | 19 | ||
BNUN-04-06-04 | Z1/4"X18 | 3/8"X18 | Z1/4"X18 | 25.5 | 6 | 25.5 | 14 | 22 | ||
BNUN-06 | Z3/8"X18 | 3/8"X18 | Z3/8"X18 | 31 | 6 | 31 | 19 | 22 | ||
BNUN-08-06-08 | Z1/2"X14 | 3/8"X18 | Z1/2"X14 | 36.7 | 6 | 36.7 | 22 | 22 | ||
BNUN-06-08-06 | Z3/8"X18 | 1/2"X14 | Z3/8"X18 | 31 | 7.5 | 31 | 19 | 27 | ||
BNUN-08 | Z1/2"X14 | 1/2"X14 | Z1/2"X14 | 37.3 | 7.5 | 37.3 | 22 | 27 | ||
BNUN-12 | Z3/4"X14 | 3/4"X14 | Z3/4"X14 | 43.5 | 8.9 | 43.5 | 27 | 32 | ||
BNUN-16 | Z1"X11.5 | 1"X11.5 | Z1"X11.5 | 50 | 10.5 | 50 | 33 | 41 | ||
BNUN-20 | Z1.1/4"X11.5 | 1.1/4"X11.5 | Z1.1/4"X11.5 | 60 | 11.2 | 60 | 41 | 50 | ||
BNUN-24 | Z1.1/2"X11.5 | 1.1./2"X11.5 | Z1.1/2"X11.5 | 59 | 11.2 | 59 | 48 | 55 | ||
BNUN-32 | Z2"X11.5 | 2"X11.5 | Z2"X11.5 | 73.5 | 11.2 | 73.5 | 63 | 70 | ||
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