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You are here: Home » News and Events » Product News » Introduction to Liner & Nut for American-Style Ferrule Fittings (Eaton Standard NB200 & NB300)

Introductio ad Liner & Nut ad American-Style Ferrule Fittings (Eaton Standard NB200 & NB300)

Views: 0     Author: Site Editor Publish Time: 2026-04-14 Origin: Site

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1. Basic Definitio & Function

Eton Latin NB200 / NB300 sunt nuclei componentes Americani JIC 37° Triple-Lok tubus hydrau- lorum, clara divisione laboris ut firmum sigillum et nexum curet;

  • NB200: Nux  - hexagonale caput cum filo interno, maxime adhibitum est ad constringendum et applicandum pressionis ad convenientem ecclesiam servandam.

  • NB300: Manica / Frons Ferrule  - Anulus ferrule acuto aciei; si constringitur, in fistulam parietis mordet ut certa signationem et tenacitatem efficiat.

2. NB200 Nut (American JIC Standard)

  • Latin : Eaton / Aeroquip, obsequens JIC B-1

  • Post : UNF American filo subtiles (eg, 7/16-20, 1/2-20, 9/16-18, etc.)

  • Materia : Carbo chalybeum (sinctum / oxydatum nigrum), chalybs immaculata 304/316 .

  • Core functiones :

    • Aureus transmittit et axialiter comprimit NB300 manicam

    • Prosilit congruo corpore figere Tubing filo firmiter

    • Relaxans prohibet et tremula resistit in ambitus laborantes

  • Communes Moles (Inch) : Compositus exteriorem diametrum tubarum hydraulicarum, cum codicibus quantitatis specificationibus tubi respondentibus (in magnitudine mensae adaptae infra).

NB300.jpg

3. NB300 Sleeve (Front Ferrule)

  • Standard : Eaton Triple-Lok JIC 37°

  • Structura : Sola frons ferrule cum aciei interna et externo 37° cono (par JIC corpus conveniens)

  • Materia : Summus carbonis chalybs, chalybs immaculatus induratus (ob resistentiam vestium et corrosionem)

  • Principium signantes :

    • Nux tensis → pellat NB300 sleeve deinceps

    • Externi 37° coni iunguntur cum congruo corporis 37° pyramide → formas faciei obsignantes

    • Internus acies morsus in tubo exteriore parieti → effectum obtinet duplicem plantam et radialem signationem

    • Vibratio repugnans et summus pressura rated (usque ad circiter 40MPa)

  • Regula aequans : NB300-XX aequare debet NB200-XX eiusdem quantitatis. Exemplum: 1/4' tubus → NB200-04 Nux + NB300-04 Sleeve

WechatIMG1025 .jpg

4. Size Matching Table (NB200 & NB300)

Fistulam externam diametri (Inch)

NB200 Nut Model

NB300 Sleeve Model

Respondens Thread (UNF)

1/4'

NB200-04

NB300-04

7/16-20

3/8'

NB200-06

NB300-06

9/16-18

1/2'

NB200-08

NB300-08

3/4-16

5/8'

NB200-10

NB300-10

1-14

3/4'

NB200-12

NB300-12

1-1/8-12

1'

NB200-16

NB300-16

1-1/4-12

WechatIMG1028 .jpg

5. Features of American JIC Triple-Lok Fittings (vs. Metric 24° Cone)

Item

American JIC 37° (NB200/NB300)

Metric 24° Cone (DIN)

Surface signantes

37° conc

24° conus internus

Structure

Unius ferrule (NB300) design (quidam cum tergo ferrules)

Dual ferrule design

Thread

UNF American filum

Metrica stamina

Applicationem

Systemata hydraulica, oleum & gas, machinarum fabricatio, machina marina

Europaeae / Asian vexillum hydrau apparatu

WechatIMG1026 .jpg

6. Electio & Installation Praecipua

Electio Apicibus 6.1

  • Magnitudo Matching: Duo postremi digitorum NB200/NB300 exempla tubi diametri exterioris respondent (eg, 04 = 1/4', 06 = 3/8').

  • Materia Electio: Carbonis ferrum ad ambitus generales operandi; chalybs immaculata 304/316 ad ambitus mordax (exempli gratia marina, industria chemica).

6.2 Installation Steps & Notes

  1. Praepara tubum: Subsequens tubi fines teretes sunt, lappa-liberi, et verticaliter incisae (nullum revellere).

  2. Coniunge partes: Primum inaugurare NB200 nucem in tubum, deinde manicam NB300 prolabi (ora secans contra corpus conveniens).

  3. Obstringere: Nucem plene manu obstringere donec corpus convenientem tangat, tum clavis utatur ut 1 ad 1¼ alternis vicibus (secundum tubi magnitudinem accommodet).

  4. Inspice: Post institutionem, reprehendo manicam in pariete tubo plene morderi et lacus cogente non esse.

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