Views: 0 Author: Site Editor A chhuah hun: 2026-04-14 A chhuahna: Hmun
Eaton Standard NB200 / NB300 hi American JIC 37° Triple-Lok hydraulic tube fittings-a core component an ni a, sealing leh connection nghet tak neih theih nan hna insem dan chiang tak a awm a:
NB200: Nut — Hexagonal head with internal thread, a bik takin fitting assembly nghet taka tihkhauh leh pressure pekna atan hman a ni.
NB300: Sleeve / Front Ferrule — Ring ang chi ferrule, a cutting edge nalh tak; a khauh chuan tube wall-ah a seh lut a, chu chuan sealing leh gripping rintlak tak a nei thei a ni.
Standard : Eaton / Aeroquip, JIC B-1 zawm tur a ni
Thread : UNF American fine thread (entir nan, 7/16-20, 1/2-20, 9/16-18, etc.) a ni.
Thil hman tur : Carbon steel (zinc-plated / black oxide), stainless steel 304/316 hmanga siam a ni
Core Function hrang hrang : 1.1.
Torque a transmit a, NB300 sleeve chu axially a compress bawk
Tubing chu nghet taka fix turin fitting body thread nen a inzawm
Hnathawh hmun harsa takah pawh loosening a veng a, vibration a do bawk
Common Sizes (Inch) : Hydraulic tube pawn lam diameter nena inmil, tube specification nena inmil size code hmanga siam (a hnuaia size matching table-ah hian chipchiar takin tarlan a ni).
Standard : Eaton-a Triple-Lok JIC 37° a ni
Structure : Single front ferrule, a chhunga cutting edge leh pawn lam 37° cone (JIC fitting body nena inmil)
Thil hman tur : Carbon tamna steel, stainless steel khauh tak (wear leh corrosion laka invenna atan)
Sealing Thurin : 1.1.
Nut tightening → NB300 sleeve chu hmalam pan turin a nawr
Pawn lam 37° cone chu fitting body-a 37° cone nen a inzawm a → face sealing a siam
Internal cutting edge bite in outer tube wall → gripping leh radial sealing dual effect a nei thei
Vibration-resistant leh high-pressure rated (40MPa vel thleng) a ni.
Matching Rule : NB300-XX hi NB200-XX size inang nen a inmil tur a ni. Entirnan: 1/4' tube → NB200-04 Nut + NB300-04 Kawrfual
Tube Pawn lam Diameter (Inch) a ni. |
NB200 Nut Model a ni |
NB300 Sleeve Model a ni |
Thread inmil (UNF) 1.1. |
|---|---|---|---|
1/4' a ni. |
NB200-04 thleng a ni |
NB300-04 vel a ni |
7/16-20 chhung a ni ang |
3/8' a ni. |
NB200-06 thleng a ni |
NB300-06 vel a ni |
9/16-18 chhung khan a ni |
1/2' a ni. |
NB200-08 thleng a ni |
NB300-08 thleng a ni |
3/4-16 thleng a ni |
5/8' a ni. |
NB200-10 vel a ni |
NB300-10 vel a ni |
1-14 thleng a ni |
3/4' a ni. |
NB200-12 thleng a ni |
NB300-12 thleng a ni |
1-1/8-12 ah a ni |
1' a ni. |
NB200-16 thleng a ni |
NB300-16 thleng a ni |
1-1/4-12 ah a ni |
Thil |
American JIC 37° (NB200/NB300) a ni a, a man pawh a tlawm hle. |
Metric 24° Cone (DIN) hmanga siam a ni. |
|---|---|---|
Sealing Surface a ni |
37° pawn lam cone a ni |
24° chhung lam cone a ni |
Ruangam |
Single ferrule (NB300) design (a then phei chuan hnunglam ferrule nei) |
Ferrule pahnih hmanga siam a ni |
La |
UNF American fine thread a ni |
Metric thread hmanga siam a ni |
Dilna |
Hydraulic system, oil & gas, in sakna hmanrua, tuipui (US-standard hmanrua) te a awm bawk. |
European/Asian standard hydraulic hmanrua te pawh a awm bawk |
Size Matching: NB200/NB300 model-a digit hnuhnung pahnihte hi tube pawn lam diameter (eg, 04 = 1/4', 06 = 3/8') nen a inmil a ni.
Material thlan dan: Hnathawh hmun tlangpui atan carbon steel; stainless steel 304/316 chu boruak chhe thei (eg, tuipui, chemical industry) atan hman a ni.
Tube buatsaih: Tube tawp chu a hrual, burr awm lo, vertical-a cut (bevel awm lo) tih enfiah rawh.
Components inzawmkhawm: A hmasa berin NB200 nut chu tube-ah dah la, chutah chuan NB300 sleeve (cutting edge fitting body lam hawi) chu slide rawh.
Tighten: Nut chu fitting body a inzawm thlengin kut hmangin khauh takin khih la, chutah chuan wrench hmangin turn 1 atanga 11⁄4 vel turn la (tube size angin siamrem rawh).
Inspect: Installation zawhah sleeve chu tube wall-ah a bite kim em tih enfiah tur a ni a, pressure hnuaiah leakage a awm lo em tih enfiah tur a ni.
