1. Dab tsi yog Stainless Hlau Yeeb Nkab Fittings?
Stainless hlau yeeb nkab fittingsyog cov khoom siv los txuas, txiav tawm, tswj kev ntws, lossis hloov cov kev taw qhia ntawm cov kav dej hauv cov kav dej stainless hlau. Lawv yog qhov tseem ceeb rau kev tsim kho kom ntseeg tau, xau- cov kav dej dawb thoob plaws hauv kev lag luam suav nrog roj thiab roj, kev ua tshuaj lom neeg, zaub mov thiab dej haus, tshuaj, dej hiav txwv, thiab kev tsim kho.
Txawm koj xav tau ib qho yooj yimSS yeeb nkab connectormus koom ob yeeb nkab kawg los yog ib tug complex network ntawmsteel yeeb nkab fittingsrau kev lag luam manifold, qhov zoo thiab qhov tshwj xeeb ntawm txhua qhov haum ncaj qha cuam tshuam rau kev ua haujlwm, kev nyab xeeb, thiab kev ua haujlwm ntev.
2. Hom Hom Stainless Hlau Yeeb Fittings
2.1 Lub luj tshib (Steel Tubing Khoov)
Steel tubing khoovthiab lub luj tshib yog siv los hloov cov kev taw qhia ntawm cov yeeb nkab khiav. Lub kaum sab xis muaj xws li 45 degree, 90 degree, thiab 180℃(rov qab khoov). Muaj nyob rau hauv ntev -radius (LR) thiab luv-radius (SR) configurations:
- Lub luj tshib 90℃(LR)- Txheem rau feem ntau daim ntawv thov; center-rau- ntsej muag dimension=1.5 × nominal txoj kab uas hla
- 90℃luj tshib (SR)- Siv rau hauv qhov chaw nruj; center-rau- ntsej muag dimension=1.0 × nominal txoj kab uas hla
- 45℃luj tshib- maj mam hloov, txo qhov siab poob
- 180℃Rov qab khoov- Rov qab ntws cov kev taw qhia hauv U- zoo li kev teeb tsa
2.2 Tees fittings
Tee fittings tsim cov ceg sib txuas ntawm 90℃los ntawm lub ntsiab yeeb nkab khiav. Muaj raws li qhov sib npaug tees (tag nrho peb qhov qhib tib qhov loj) lossis txo cov tees (txog me dua li lub ntsiab khiav).
2.3 ConcentricReducers
Siv los txuas cov kav dej sib txawv.Concentric reducerstuav lub symmetrical centerline (zoo tagnrho rau ntsug kav), thaumeccentric reducerskhaws ib sab ca (siv rau kab rov tav piping los tiv thaiv huab cua hauv hnab tshos).
2.4 Couplings & Unions
- Couplings- Koom nrog ob lub yeeb nkab kawg ntawm tib txoj kab uas hla; muaj raws li tag nrho cov couplings (sib txuas ob kav dej) thiab ib nrab couplings (sib txuas cov yeeb nkab kom haum)
- Cov koom haum- Tso cai rau kev txiav tawm sai ntawm cov kav dej rau kev saib xyuas yam tsis tau txiav cov kav dej
2.5 Caps & Plugs
- Caps- Kaw qhov kawg ntawm cov yeeb nkab mus tas li lossis ib ntus
- Plugs- Foob qhib nyob rau hauv fittings (feem ntau yog siv los ntxuav cov ntsiab lus nkag)
2.6 Noob
Luv luv ntawmSS cevthreaded ntawm ob qhov kawg, siv los txuas ob lub fittings los yog txuas lub yeeb nkab khiav. Muaj raws li cov txiv mis ze (ntau threaded), lub txiv mis luv, thiab lub txiv mis ntev.
2.7 Hla Fittings
Plaub -txoj kev connectors siv rau manifold los yog sprinkler systems uas ntws yuav tsum tau muab faib nyob rau hauv ntau cov lus qhia los ntawm ib tug taw tes.
2.8 Stub Ends
Siv nrog lap Joint flanges los tsim ib qho kev sib txuas ntawm cov yeeb nkab welded, tso cai yooj yim disassembly thiab sib dhos.
3. SS Yeeb Nkab Connector Hom los ntawm txoj kev sib txuas
| Hom Connector | Txoj kev | Zoo tshaj rau |
| Xov (NPT / BSP) | Ntsia hlau- ntawm kev sib txuas | Tsawg mus rau nruab nrab siab, me me diameters (tsawg dua lossis sib npaug li 4 ") |
| Qhov (socket) Weld | Cov yeeb nkab ntxig rau hauv qhov (socket), welded | Kev kub siab, me me diameters (tsawg dua lossis sib npaug li 2 ") |
| Butt Weld | Yeeb thiab haum beveled, welded | Kev kub siab, kub siab, txhua qhov ntau thiab tsawg |
| Push- Haum / Nias | Mechanical xovxwm txuas | Fast installation, dej thiab HVAC systems |
| Flanged | Bolted flange kev twb kev txuas | Loj diameters, systems yuav tsum tau disassembly |
4. Cov ntaub ntawv: Qib ntawm Stainless Hlau rau Yeeb Nkab Fittings
4.1 Austenitic Stainless hlau
| Qib | Cov khoom tseem ceeb | Cov ntawv thov siv |
| 304 / 304L | Zoo corrosion kuj, zoo formability, tsawg carbon (L{0}}qib) tiv thaiv rhiab heev | Kev ua zaub mov, khoom noj siv mis, kev lag luam dav dav, architectural |
| 316 / 316L | Ntxiv molybdenum (2-3%) txhim kho pitting thiab crevice corrosion kuj | Marine, tshuaj ua haujlwm, tshuaj, chaw ntug dej hiav txwv |
| 317L | Ntau dua molybdenum (3-4%) rau superior corrosion kuj nyob rau hauv acidic ib puag ncig | Tshuaj reactors, ntawv pulp, textile bleaching |
| 310S | Kub kub oxidation tsis kam mus txog 1035 degree | Rauv qhov chaw, tshav kub exchangers, kilns |
| 321 | Stabilized nrog titanium rau intergranular corrosion kuj | Aerospace tso pa tawm, txuas txuas ntxiv, siab -temp kev pabcuam |
4.2 Duplex & Super Duplex
- 2205 (S31803 / S32205)- Ob zaug lub zog tawm los ntawm 316L nrog kev ntxhov siab zoo corrosion cracking kuj
- 2507 (S32750)- Super duplex rau huab cua corrosive thiab siab -ib puag ncig zoo li offshore roj thiab roj
4.3 Nickel alloys
- Inconel 625/600- Lub zog siab thiab corrosion kuj ntawm qhov kub siab
- Hastelloy C276- Exceptional tiv thaiv oxidizing thiab txo cov neeg ua haujlwm, zoo tagnrho rau kev siv tshuaj lom neeg
- Monel 400- Cov dej hiav txwv zoo heev thiab hydrofluoric acid tsis kam
5. Cov qauv kev lag luam rau Stainless Hlau Yeeb Nkab thiab Fittings
| Txuj | Scope |
| ASME B16.9 | Factory-ua pob tw- vuam fittings (lub luj tshib, tees, reducers, kaus mom) |
| ASME B16.11 | Forged fittings - socket weld thiab threaded |
| ASTM A403 Cov khoom lag luam | Wrought austenitic stainless hlau piping fittings |
| ASTM A182 Cov Lus Qhia Tshwj Xeeb | Forged los yog dov alloy thiab stainless hlau yeeb nkab flanges thiab fittings |
| Qauv TSIS MUAJ: SP-43 | Wrought stainless hlau taub qab -weld fittings (lub teeb- hnyav, corrosion resistant) |
| Qauv TSIS MUAJ: SP-79 | Qhov (socket) weld reducer inserts |
| Qauv TSIS MUAJ: SP-83 | Class 3000 yeeb nkab unions, socket weld thiab threaded |
| TSW SP-95 | Swage (tube) txiv mis thiab bull plugs |
| ISO 4144 Kev Tswj Xyuas | Stainless hlau fittings threaded rau BSP qauv |
| DIN 2605/2615/2616 | Wrought steel taub qab -weld fittings (German tus qauv) |
| JIS B2311 / B2312 | Steel taub qab-weld yeeb nkab fittings (Japanese standard) |
6. Yuav ua li cas xaiv txoj cai SS kav thiab fittings
6.1 Kev Ua Haujlwm Siab & Kub
Kev kub siab thiab kub siab dua yuav tsum tau pob tw-weld lossis lub qhov (socket)-weld txuas es tsis yog threaded. Txheeb xyuas qhov siab- qhov ntsuas kub ntawm cov khoom haum tiv thaiv koj lub cev ua haujlwm siab tshaj plaws.
6.2 Corrosion Ib puag ncig
Rau cov tshuaj chloride-nplua nuj ib puag ncig (seawater, bleach, brine), xaiv 316L los yog siab dua molybdenum qib (317L, 904L, duplex). Rau siab -kub oxidation, 310S lossis Inconel yog qhov tsim nyog.
6.3 Txoj kev sib txuas
- Threaded fittings - pheej yig, yooj yim installation, haum rau Tsawg dua los yog sib npaug rau 4 "thiab Tsawg dua los yog sib npaug rau 3000 psi
- Qhov (socket) weld fittings - leak- pov thawj, siab ncaj ncees rau Tsawg dua lossis sib npaug li 2 "siab- cov kab siab
- Butt weld fittings - tag nrho lub zog, du bore, tsis muaj kev txwv txaus; zoo tagnrho rau txhua qhov ntau thiab tsawg thiab kev pabcuam tseem ceeb
6.4 Xaus Kev Sib Txuas Sib Txuas
Xyuas kom haum qhov kawg hom sib tw rau koj cov yeeb nkab: beveled xaus rau pob tw weld, dawb xaus rau lub qhov (socket weld), threaded kawg (NPT los yog BSP) rau screwed txuas, los yog flanged kawg rau bolted pob qij txha.
6.5 Loj thiab Teem caij
Ua kom haum qhov loj me (NPS / DN) thiab lub sij hawm ntawm phab ntsa (Sch 5S, 10S, 40S, 80S) rau cov kav dej sib txuas. Cov sij hawm tsis sib haum tuaj yeem ua rau vuam nyuaj thiab kev ntxhov siab.
7. Steel Tubing Khoov vs. Luj tshib: Dab tsi yog qhov txawv?
Thaum ob leegsteel tubing khoovthiab lub luj tshib hloov kev taw qhia hauv cov kav dej, lawv sib txawv hauv kev tsim khoom thiab kev siv:
| Feature | Steel Tubing Khoov | Luj tshib |
| Kev tsim khoom | Tsim los ntawm ib lub yeeb nkab txuas ntxiv siv lub tshuab dabtsi yog khoov | Cam khwb cia, forged, los yog welded raws li ib tug cais haum |
| Radius | Kev cai vojvoog (feem ntau 3D, 5D, 10D lossis ntau dua) | Standardized (LR=1.5D, SR=1.0D)) |
| Phab ntsa Thinning | Sab nrauv phab ntsa nyias nyias thaum khoov | Uniform phab ntsa thickness |
| Flow Efficiency | Smoother flow, qis siab poob (ntev vojvoog ntev) | Kev poob siab ntau dua vim muaj kev sib tw ntse |
| Nqi | Siab dua rau kev cai radii | qis, txheem tsim |
| Hom kev siv | Thaum tshav kub kub exchanger coils, hydraulic kab, pigging systems | General kav dej, structural, standard piping |
8. Kev Ua Haujlwm Zoo & Kev Xeem
Thaum muab khoomstainless hlau yeeb nkab thiab fittings, xyuas kom cov chaw tsim khoom muab:
- Material Test Reports (MTRs)- Certified tshuaj muaj pes tsawg leeg thiab txhua yam khoom raws li ASTM tus qauv
- Dimensional soj ntsuam- Kev txheeb xyuas ntawm phab ntsa thickness, txoj kab uas hla, kawg - mus rau - lub ntsej muag qhov ntev ntawm ASME / ISO specs
- Kev Ntsuas Siab- Hydrostatic los yog pneumatic kuaj rau cov pa tawm - nruj
- Tsis yog -Kev Ntsuas Kev Puas Tsuaj (NDT)- X-ray, ultrasonic, los yog dye penetrant tshuaj xyuas rau weld kev ncaj ncees
- Thaum tshav kub kub Number Traceability- Tag nrho traceability los ntawm raw khoom mus rau cov khoom tiav
- Surface Finish Verification- Passivation, pickling, lossis mechanical polish raws li tau teev tseg
9. Vim li cas thiaj xaiv Shuangzhong rau SS Yeeb Nkab thiab Fittings?
Henan Shuangzhong Intelligent Technology Co., Ltd. yog ib tug ntseeg chaw tsim tshuaj pausstainless hlau yeeb nkab fittings, stainless hlau yeeb nkab connectors, thiab cov khoom muaj feem xyuam txij li xyoo 1999. Peb qhov zoo muaj xws li:
- ISO 9001: 2015 & API Certified- Kev tswj hwm zoo
- Ib -Stop Supply- Cov yeeb nkab steel, yeeb nkab fittings, flanges, fasteners, thiab li qub los ntawm ib qho chaw
- Kev cai tsim khoom- Tsis yog- qhov loj me, cov ntaub ntawv tshwj xeeb, cov xov kev cai, thiab kev pabcuam OEM/ODM
- Ntiaj teb no Export- Ua haujlwm rau Asmeskas, Canada, Lub Tebchaws Yelemees, Is Nrias teb, Malaysia, UAE, Egypt, thiab Middle East
- 3-hnub FOB Shanghai- Kev xa khoom sai rau hauv - cov khoom lag luam txheem
- Tag nrho Traceability- MTRs thiab cov ntaub ntawv kub hnyiab nrog txhua qhov kev txiav txim
10. Cov lus nug uas nquag nug
Q: Qhov txawv ntawm SS 304 thiab SS 316 yeeb nkab fittings yog dab tsi?
A: 316 stainless hlau muaj 2-3% molybdenum, uas muab kev tiv thaiv zoo dua rau cov tshuaj chlorides, acids, thiab dej ntsev piv rau 304. Rau kev siv marine, tshuaj, lossis tshuaj, 316 yog qhov kev xaiv zoo tshaj. Rau kev siv sab hauv tsev lossis khoom noj khoom haus, 304 muab kev ua haujlwm zoo.
Q: Puas yog stainless hlau yeeb nkab fittings yuav welded?
A: Yog. Austenitic stainless hlau fittings (304, 316, 317L) yog yooj yim weldable siv TIG, MIG, los yog stick vuam txoj kev. Tsawg- qib carbon (304L, 316L) raug pom zoo rau kev vuam los tiv thaiv carbide nag lossis daus thiab intergranular corrosion. Post-weld passivation yog pom zoo kom rov ua kom muaj kev tiv thaiv corrosion.
Q: Dab tsi yog qhov siab tshaj plaws ntsuas rau SS threaded fittings?
A: Chav kawm 3000 threaded fittings (ib ASME B16.11) raug ntsuas txog 3000 psi (kwv yees li 207 bar) ntawm qhov kub thiab txias. Chav kawm 6000 fittings muaj rau kev xav tau siab dua. Nco ntsoov txheeb xyuas qhov siab- qhov kub thiab txias derating yam rau qhov ntsuas kub siab.
Q: Koj puas muab kev cai stainless hlau yeeb nkab fittings?
A: Yog. Peb tsim cov kev cai stainless hlau yeeb nkab fittings rau cov neeg siv khoom kos duab, suav nrog tsis yog- qhov loj me, cov phab ntsa tshwj xeeb, cov ntawv xov tshwj xeeb, thiab cov ntaub ntawv tshwj xeeb (duplex, super duplex, Inconel, Hastelloy). Tiv tauj peb nrog koj cov specifications.
Q: Kuv yuav txheeb xyuas cov yeeb nkab haum qhov loj li cas?
A: Ntsuas cov kab sab nraud (OD) ntawm koj cov yeeb nkab thiab phim nws rau lub npe yeeb nkab loj (NPS) lub rooj. Rau threaded fittings, txheeb xyuas cov xov hom (NPT lossis BSP) siv cov xov paj ntsuas. Rau pob tw -weld fittings, phim OD thiab phab ntsa thickness rau cov sij hawm sib xws. Thaum tsis ntseeg, xa koj cov yeeb nkab specifications rau peb thiab peb yuav pom zoo kom haum haum.
Xaus
Xaiv txoj caistainless hlau yeeb nkab fittingsthiabstainless hlau yeeb nkab connectorsNws yog ib qho tseem ceeb rau kev nyab xeeb, kev ua haujlwm, thiab kev ua haujlwm ntev ntawm txhua qhov kav dej. Kev nkag siab txog hom, cov ntaub ntawv, cov qauv, thiab cov kev sib txuas yuav pab xyuas kom koj xaiv qhov zoo rau koj daim ntawv thov tshwj xeeb.
shuangzhong yog ibstainless hlau khoom tus neeg muag khoom.Txawm koj xav tau tus qauvsteel yeeb nkab fittingsrau qhov project tsim los yog tshwj xeebSS kav thiab fittingsrau ib puag ncig corrosive tshuaj, Shuangzhong muaj kev txawj ntse thiab tsim muaj peev xwm xa.Tiv tauj pebrau ib qho kev hais los yog kev sab laj.
