Ihe NPT Njikọ Njikọ / Ihe nkwụnye ọkụ Hydraulic Fluid Power Connectors


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Onye mmeri ika NPT njikọ opekempe nwere NPT eri nwoke ma ọ bụ nwanyị jikọọ njedebe na njikọ, NPT bụ American National ọkpọkọ tapered thread, makwaara dị ka ANSI/ASME B1.20.2M ọkpọkọ eri.

Eriri NPT nwere njirimara ndị a:

1.The truncation nke mgbọrọgwụ na crests nke eri bụ larịị

2.60° eri akụkụ

3.The angle n'etiti taper na center axis nke ọkpọkọ eri bụ 1 ° 47'24 "

4.Thread pitch tụrụ kwa inch.

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N'ihi na NPT eri truncation nke mgbọrọgwụ na crests nke eri bụ ewepụghị, ọ dị iche na NPTF, otú a PTFE sealant teepu ga-eji hụ na a ntapu-free akara, wee nye irè akara maka njikọ iji hydraulic fluids.

Nha eriri NPT maka njikọ ndị mmeri gụnyere: 1/8"-27, 1/4"-18, 3/8"-18, 1/2"-14, 3/4"-14, 1"-11.5, 1.1/ 4”-11.5, 1.1/2”-11.5, 2”-11.5.

Kedu ka esi amata na ọ bụ eriri NPT wee chọpụta nha eri ahụ?

1.Visual nnyocha na eri na ọ bụ taper, ma ọ bụ na-eji caliper tụọ si dayameta nke mpụga eri ma ọ bụ obere dayameta nke esịtidem eri dị iche iche ogologo ọnọdụ na hụrụ na dayameta dị iche iche na izute 1:16 taper, ma ọ bụ ozugbo na-eji a. 1:16 cone nlele.

2.Jiri caliper tụọ dayameta nke ọnọdụ akara ala.Tụọ dayameta eri na ihe ID / OD caliper, a na-atụ dayameta eri dị n'èzí na dayameta nke dịpụrụ adịpụ, ma na-ejide caliper na obere akụkụ maka ịgụ ihe ziri ezi karị, n'ihi na a na-atụ eriri dị n'ime na dayameta dị n'ime, na-ejidekwa ya perpendicular ka. eri maka ịgụ nwanyi ziri ezi.

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3. Measure the threads kwa inch (TPI) ma ọ bụ pitch.Dị ka dayameta tụrụ atụ ma jiri ihe nlegharị anya nke mmekọrịta, nwalee ụdị eriri dị iche iche ruo mgbe ị ga-achọpụta nke kacha sie ike, tinye ọtụtụ eri dị ka o kwere mee, enwere ọtụtụ eriri na-etinye aka na ya, ka ọgụgụ ahụ ziri ezi.Jide ihe kwesịrị ekwesị / njikọ na eriri pitch ruo ìhè, na-achọ ọdịiche dị n'etiti nlele na eriri, nke a dị mfe ịhụ na eriri dị n'èzí na-ejikọta ya karịa eriri n'ime ime / njikọ.Ma ọ bụ tụọ anya nke eriri eriri abụọ ozugbo

2121

n'ihi na ihe karịrị otu nha nwere ike inwe akụkụ eriri yiri ya.N'okpuru bụ atụnyere data n'etitiNPT eri vs BSPT eri, ọ bụ yiri ya, ya mere mkpa kpachara anya ka mix ma ọ bụ hiere ụzọ.

Nha

eri NPT (60°)

eriri BSPT (55°)

eri

isi OD

isi
ogologo

eri
kwa inch

eri

isi OD

isi
ogologo

eri
kwa inch

-2

Z1/8"x27

10.242

4.102

27

R1/8 "x28

9,728

4

28

-4

Z1/4 ″ x18

13.616

5,785

18

R1/4 "x19

13.157

6

19

-6

Z3/8"x18

17.055

6.096

18

R3/8"x19

16.662

6.4

19

-8

Z1/2 ″ x14

21.224

8.128

14

R1/2 ″ x14

20,955

8.2

14

-12

Z3/4 ″ x14

26.569

8.618

14

R3/4 "x14

26,441

9.5

14

-16

Z1 ″ x11.5

33.228

10.16

11.5

R1 ″ x11

33.249

10.4

11

-20

Z1.1/4 ″ x11.5

41,985

10.668

11.5

R1.1/4 ″ x11

41.91

12.7

11

-24

Z1.1/2 ″ x11.5

48.054

10.668

11.5

R1.1/2 ″ x11

47.803

12.7

11

-32

Z2 ″ x11.5

60.092

11.065

11.5

R2 ″ x11

59,614

15.9

11

Njikọ ndị mmeri nkịtị nke njikọta enweghị Cr6 +, yana arụmọrụ nchebe corrosion ruru 360h enweghị nchara na-acha ọbara ọbara, ọ gafere ọkọlọtọ nkịtị.

Nọmba ngwaahịa

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1N
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