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.
DU NPSM FEMALE /NPSM FEMALE/ NPSM FEMALE adapter dimensions as follows:
PART NO. | THREAD | DIMENSIONS | ||||||||
E | F | G | A | B | C | S1 | S2 | S3 | S4 | |
DU-02 | 1/8"X27 | 1/8"X27 | 1/8"X27 | 3.5 | 3.5 | 3.5 | 11 | 15 | 15 | 15 |
DU-04 | 1/4"X18 | 1/4"X18 | 1/4"X18 | 4.6 | 4.6 | 4.6 | 11 | 19 | 19 | 19 |
DU-06 | 3/8"X18 | 3/8"X18 | 3/8"X18 | 6 | 6 | 6 | 14 | 22 | 22 | 22 |
DU-08 | 1/2"X14 | 1/2"X14 | 1/2"X14 | 7.5 | 7.5 | 7.5 | 19 | 27 | 27 | 27 |
DU-12 | 3/4"X14 | 3/4"X14 | 3/4"X14 | 8.9 | 8.9 | 8.9 | 24 | 32 | 32 | 32 |
DU-16 | 1"X11.5 | 1"X11.5 | 1"X11.5 | 10.5 | 10.5 | 10.5 | 30 | 41 | 41 | 41 |
DU-20 | 1.1/4"X11.5 | 1.1/4"X11.5 | 1.1/4"X11.5 | 11.2 | 11.2 | 11.2 | 41 | 50 | 50 | 50 |
DU-24 | 1.1./2"X11.5 | 1.1./2"X11.5 | 1.1./2"X11.5 | 11.2 | 11.2 | 11.2 | 48 | 55 | 55 | 55 |
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