
Galvanized Malleable Hlau Yeeb Fittings
Cov galvanized malleable hlau yeeb nkab fittings yog tsim los ntawm malleable hlau, ib hom me me hlau nrog zoo heev zog thiab corrosion kuj. Nws yog zinc-coated, uas tiv thaiv xeb. Cov txheej txheem galvanizing suav nrog dipping hlau lossis steel yeeb nkab fittings hauv da dej ntawm zinc molten uas tsim cov txheej txheem tiv thaiv ntawm qhov chaw kom tiv thaiv corrosion.
Hauj lwm lawm

Tsim los ntawm 1982, Hebei Jianzhi Casting Group Co., Ltd. Peb lub Hoobkas npog thaj tsam ntawm 1,000,000 square metres, nrog ntau yam tsis siv neeg cov yeeb nkab haum cov kab ntau lawm, nrog rau cov cuab yeej siv tshuab CNC, xov tshuab thiab lwm yam khoom siv, ua rau cov khoom tsim tawm txhua xyoo. tshaj 80,000 metric tons. Tam sim no, peb lub tuam txhab muaj ntau dua 4, 000 cov neeg ua haujlwm, suav nrog ntau pua tus neeg ua haujlwm.
Vim li cas thiaj xaiv peb?
Kev paub nplua nuj
Peb lub tuam txhab muaj ntau tus neeg ua haujlwm tshaj lij thiab pab pawg tsim khoom, nrog rau ntau tshaj 40 xyoo ntawm kev paub hauv kev tsim cov yeeb nkab fittings thiab accessories. Peb qhov muag, kev sib koom ua lag luam thiab qeb duas yeej ib txwm nyob deb ua ntej hauv kev lag luam.
Kev ua lag luam dav
Peb tau mus txog kev sib raug zoo nrog ntau tshaj 130 lub teb chaws thiab cheeb tsam hauv Asia, Europe, Africa, South America thiab Oceania. Vim tias cov khoom lag luam zoo thiab tus nqi sib tw, ntau dua 90% ntawm peb cov neeg siv khoom xaiv rov yuav peb cov khoom.
Kev Kho Mob
Peb pab neeg muab kev pabcuam yog nyob online 24/7, thiab koj tuaj yeem tiv tauj peb txhua lub sijhawm kom tau txais cov ntaub ntawv hais txog cov khoom, suav nrog cov lus hais, cov lus qhia siv, thiab kev qhia. Yog tias cov neeg siv khoom xav tau, peb kuj pab lawv tsim cov tswv yim kev lag luam thiab muab kev pab cuam npaj kev pab cuam.
Ntau yam khoom
6 tsis siv neeg cov kab ntau lawm, 12 DISAMATIC D3, 50 CNC tshuab cuab tam yeeb nkab fittings, 800 threading tshuab thiab lwm yam khoom siv siab heev pab kom peb ua tau zoo tsim ntau yam yeeb nkab fittings. Peb cov khoom muaj xws li cov hlau grooved yeeb nkab fittings, malleable hlau threaded yeeb nkab fittings, malleable hlau lined yas yeeb nkab fittings, ntau yam pipeline fittings, thiab machinery spare qhov chaw.
Cov galvanized malleable hlau yeeb nkab fittings yog tsim los ntawm malleable hlau, ib hom me me hlau nrog zoo heev zog thiab corrosion kuj. Nws yog zinc-coated, uas tiv thaiv xeb. Cov txheej txheem galvanizing suav nrog dipping hlau lossis steel yeeb nkab fittings hauv da dej ntawm zinc molten uas tsim cov txheej txheem tiv thaiv ntawm qhov chaw kom tiv thaiv corrosion. Cov galvanized malleable fittings no yog tsim los ua haujlwm zoo nrog huab cua, chav, thiab dej.

Yam khoom

Black Malleable Street 90 Luj tshib
Black Malleable Street 90 Luj tshib yog siv los txuas cov yeeb nkab tig. Nws lub luag haujlwm hauv cov raj xa dej zoo ib yam li cov pob qij txha ntawm tib neeg lub cev. Nws tsis tsuas yog ua lub luag haujlwm sib txuas, tab sis kuj tuaj yeem tiv taus qee qhov siab.

Malleable Dub Iron Socket MF Txo
Malleable Black Iron Socket MF Txo yog cov yeeb nkab haum dav siv hauv kev lag luam xws li kev tsim kho, tshuab, thiab petrochemicals. Txij li cov diameters sab hauv ntawm ob qhov kawg yog qhov sib txawv, nws tuaj yeem siv rau kev sib txuas coaxial ntawm cov kav dej sib txawv.

Dub Malleable Txo Hla Hla
Black Malleable Reducing Cross yog cov yeeb nkab haum feem ntau siv hauv cov kav dej. Nws yog siv los txuas plaub lub kav dej. Qhov txoj kab uas hla ntawm ob lub kav dej yog qhov loj dua li txoj kab uas hla ntawm ob lub kav dej, uas txhais tau hais tias cov khoom siv tuaj yeem siv rau hauv cov tshuab uas ntws los yog siab yuav tsum tau hloov kho, xws li cov khoom siv dej, cua sov, thiab cov kav dej ntuj. .

Txo Cov Yeeb Nkab Tee ANSI BS Standard
Txo Cov Yeeb Nkab Tee ANSI BS Standard yog cov qauv yeeb nkab haum uas tso cai rau kev sib txuas ntawm cov kav dej sib txawv. Nws lub luag haujlwm tseem ceeb yog txo qis txoj kab uas hla ntawm cov yeeb nkab hauv cov kav dej kom ua tiav cov dej tswj thiab tswj. Qhov peev xwm no tso cai rau cov kav dej kom ua haujlwm tau zoo dua thaum tseem txo qis kev siv hluav taws xob thiab cov nqi.

Dub Malleable Hlau Yeeb Tee
Hauv cov ntawv thov kev lag luam, ib qho ntawm cov haujlwm tseem ceeb ntawm Black Malleable Iron Pipe Tee yog ua kom cov kav dej txuas rau ntau qhov kev qhia. Qhov kev ua haujlwm no ua rau cov kav dej loj thiab txoj hauv kev yooj yim dua thiab tswj tau. Cov khoom no muaj peb qhov sib txuas uas tuaj yeem siv los txuas ntau cov kav dej kom cov kua dej ntws tau zoo dua.

Dub Malleable Txo Tee Poj Niam Xov
Black Malleable Reducing Tee Poj Niam Xov yog ib qho kev lag luam yeeb nkab haum siv los txuas peb cov kav dej, ib qho me me ntawm txoj kab uas hla tshaj li ob. Cov khoom no feem ntau yog siv los hloov cov kev taw qhia ntawm cov kua dej thiab feem ntau yog siv rau ntawm cov ceg ntoo, qhov sib txuam, thiab kev thim rov qab ntawm cov kav dej kom cov kav xa dej tuaj yeem thauj cov xov xwm zoo.

Malleable Cam khwb cia hlau txo Tee
Malleable Cast Iron Reducing Tee yog siv dav siv cov yeeb nkab txuas, feem ntau yog siv los txo cov radial loj hauv cov kav dej thiab txuas cov kav dej sib txawv. Zoo durability, lub zog, thiab yooj yooj yim cia nws yuav siv tau nyob rau hauv ntau yam kev lag luam, xws li roj thiab roj, tshuaj, marine, kev tsim kho, thiab lwm yam.

GI Malleable Hlau Yeeb Nkab Fitting 301 Round Caps
Cov kav dej GI Malleable Iron Pipe Fitting 301 Round Caps yog cov yeeb nkab sib txuas dav siv rau kev sib txuas ntawm lub valve, yeeb nkab thiab twj tso kua mis. Nws tau txais kev tsim cov xov sab hauv thiab tuaj yeem txuas nrog cov kav dej kom nruj kom tsim tau lub kaw lus kaw kom tiv thaiv cov dej thiab cov pa tawm thiab tiv thaiv kev ua haujlwm kev nyab xeeb ntawm cov kav dej.

Dub Malleable Plain Plug
Black Malleable Plain Plug yog ua los ntawm malleable cam khwb cia hlau.Lawv muaj nyob rau hauv ntau qhov ntau thiab tsawg, thiab peb cov khoom siv tau rau hauv cov kav dej sib txawv thiab ntau hom. Thiab cov plugs feem ntau yog threaded, uas tso cai rau lawv yooj yim screwed rau hauv cov yeeb nkab.

Dub Hlau Plugs
Dub Iron Plugs yog cov khoom tseem ceeb hauv ntau daim ntawv thov uas xav tau kev sib khi zoo thiab txhim khu kev qha. Peb cov khoom tuaj nyob rau hauv ntau qhov ntau thiab tsawg thiab cov duab kom tau raws li ntau yam kev thov. Lawv feem ntau yog siv rau hauv cov kav dej, li qub, thiab fittings los tiv thaiv kev nkag mus ntawm cov kua lossis roj.

NPT Malleable Hlau Square taub hau ntsaws
NPT Malleable Hlau Square Lub Taub Hau Plugs yog cov yeeb nkab sib txuas, dav siv hauv kev lag luam, tshuaj lom neeg kev lag luam, kev tsim kho, aerospace, thiab lwm yam. Nws tuaj yeem siv rau kev kaw thiab txiav cov kav dej rau dej, roj, cua, thiab cov pa roj.

Dub Malleable Hlau Plugs
Black Malleable Iron Plugs yog ib hom yeeb nkab haum feem ntau siv hauv kev tsim khoom, kev lag luam tshuaj, roj, roj, kev tsim kho, thiab kev kho dej. Cov neeg siv tuaj yeem nruab nws ntawm qhov kawg ntawm cov yeeb nkab kom kaw cov yeeb nkab.
Nta ntawm Galvanized Malleable Hlau Yeeb Fittings
Galvanized malleable hlau yeeb nkab fittings muab qhov zoo ntawm malleable cam khwb cia hlau thiab galvanized technology, thiab muaj cov nram qab no nta:
Corrosion Resistance
Cov txheej txheej galvanized tuaj yeem tsim cov txheej txheem tiv thaiv ntawm qhov chaw ntawm cov yeeb nkab fittings, zoo cais kev sib cuag ntawm cov yeeb nkab fittings thiab ib puag ncig sab nraud, yog li tiv thaiv oxidation thiab corrosion, thiab prolonging lub neej kev pab cuam ntawm cov yeeb nkab fittings.
01
Mechanical Properties
Malleable cam khwb cia hlau muaj siab malleability, yog li ntawd cov yeeb nkab fittings yuav undergo forging thiab lwm yam txheej txheem thaum lub sij hawm tsim cov txheej txheem, thiaj li kom tau zoo mechanical zog thiab lub zog, haum rau high-pressure los yog high-load puag ncig.
02
Machineability
Piv nrog rau cov hlau cam khwb cia zoo tib yam, malleable cam khwb cia hlau yog yooj yim rau kev ua thiab hloov cov duab. Qhov no txhais tau hais tias nws yooj yim dua los tsim cov yeeb nkab fittings ntawm ntau yam duab, xws li lub luj tshib, tees, flanges, thiab lwm yam.
03
Kev sib txuas ua haujlwm
Galvanized malleable hlau yeeb nkab fittings tuaj yeem txuas nrog lwm cov yeeb nkab sib txuas los ntawm ntau txoj kev sib txuas, xws li xov txuas, vuam, thiab lwm yam., kom ntseeg tau tias kev sib txuas nruj ntawm cov yeeb nkab thiab kev ruaj ntseg ntawm cov dej xa mus.
04
Kev thov dav
Hom yeeb nkab fittings no yog siv dav hauv kev tsim kho, kev lag luam, kev ua liaj ua teb thiab lwm yam kev lag luam, thiab siv los thauj cov dej xws li dej, roj, roj, thiab lwm yam, kom tau raws li cov kev xav tau ntawm cov kav dej sib txuas hauv cov xwm txheej sib txawv. Galvanized malleable hlau yeeb nkab fittings yog haum rau ntau yam kev thov ib puag ncig.
05
Cov txiaj ntsig ntawm Galvanized Malleable Hlau Yeeb Fittings

Ntev ntev
Galvanized malleable hlau yeeb nkab fittings yog dav siv nyob rau hauv kev tsim kho kev lag luam vim lawv cov khoom zoo kawg li, zoo thiab haum rau ntau daim ntaub ntawv. Cov fittings no feem ntau yog tsim los ntawm high-quality dub malleable hlau, muab tshwj xeeb lub zog thiab durability txawm nyob rau hauv tej yam kev mob ua hauj lwm nyuaj. Lawv yog ib qho kev xaiv zoo tshaj plaws rau ductwork uas yuav tsum muaj lub foob kaw ntom nti vim lawv muab kev ruaj ntseg thiab tsis muaj kev sib txuas.
Resistant mus rau qhov kub thiab txias
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm cov fittings no yog lawv qhov tsis kam mus rau qhov kub thiab txias, tso cai rau lawv siv rau hauv ob qho tib si dej txias thiab dej kub. Tsis tas li ntawd, lawv tiv taus corrosion, xeb thiab kub hloov pauv. Dub malleable hlau fittings tuaj yeem tiv taus cov ntawv thov siab thiab siv tau ntev thiab txhim khu kev qha. Lawv feem ntau yog siv rau hauv cov kav dej thiab cov khoom siv roj, nrog rau kev lag luam, kev lag luam thiab chaw nyob.


Yooj yim rau nruab
Malleable yeeb nkab fittings thiab cov kav dej yog threaded los xyuas kom meej kev sib cuag zoo thiab kev sib txuas nrog cov kav dej. Lub peev xwm-kev coj tus kheej ntawm cov yeeb nkab fittings tsis tshaj 1.6MP. Forgeable yeeb nkab fittings thiab cov kav dej yog txuas ua ke los ntawm cov qauv txheej txheem, uas txuag lub sijhawm thiab kev siv zog thaum lub sijhawm tsim kho, thiab tseem txuag tau ntau ntawm kev ua haujlwm thiab cov nqi. Nws yuav tsum tau muab sau tseg tias tsis txhob siv nws nyob rau hauv tshwj xeeb yog siab siab los tiv thaiv tej yam txawv txav.
Kev siv dav dav
Cov ntawv thov tseem ceeb ntawm galvanized malleable hlau yeeb nkab fittings muaj xws li cua sov tshuab, hluav taws xob tiv thaiv tshuab, thiab lwm yam. Nws muaj cov khoom siv zoo heev thiab muaj zog toughness. Lawv kuj tseem muaj txiaj ntsig tshwj xeeb uas yuav tsum muaj kev ntseeg siab thiab muaj peev xwm, xws li hauv cov chaw tsim khoom, refineries thiab chaw ua tshuaj. Nrog cov khoom zoo nyob rau hauv cov nqe lus ntawm lub zog, hardness thiab hnav tsis kam, malleable yeeb nkab fittings muaj ntau yam kev siv thiab kuj yog ib qho khoom siv hauv tsev.

Daim ntawv thov cheeb tsam ntawm Galvanized Malleable Hlau Yeeb Fittings
Kev Siv Dej thiab Dej Dej
Nyob rau hauv cov kav dej ntawm cov dej thiab cov kav dej, muaj cov kev xav tau siab rau kev tiv thaiv xeb ntawm cov kav dej, yog li galvanized malleable yeeb nkab fittings feem ntau xaiv. Hauv particular, kub-dip galvanized yeeb nkab fittings muaj thicker galvanized txheej, muaj zog xeb kuj thiab ntau corrosion kuj. Qhov tseeb, tsis yog tsuas yog nyob rau hauv lub tshav pob ntawm cov dej thiab cov kua dej, kub-dip galvanized yeeb nkab fittings yuav tsum tau siv nyob rau hauv txhua qhov chaw siv uas yuav tsum tau muaj peev xwm los tiv thaiv corrosion. Hais txog kev xaiv ntawm hnyav banded, nruab nrab beaded, thiab beaded, koj yuav tsum xav txog koj cov peev nyiaj thiab cov qauv hauv lub tebchaws los yog cov qauv tsim rau kev txiav txim siab, tab sis yog tias koj muaj kev xav tau ntau dua rau kev nyab xeeb hauv kev siv, nws raug nquahu kom koj yuav cov khoom siv zoo dua qub.
Roj System
Hauv cov tshuab roj, txij li cov roj nws tus kheej tuaj yeem tiv thaiv cov yeeb nkab fittings los ntawm xeb, tsis yog-galvanized yeeb nkab fittings feem ntau siv. Tab sis muaj teeb meem. Thaum lub raj xa hluav taws xob thauj cov roj, cov phab ntsa sab hauv ntawm lub raj xa dej yog qhov nyuaj rau xeb vim kev sib cuag nrog cov roj, tab sis cov phab ntsa tseem ceeb tseem muaj qhov ua kom xeb thiab kev laus. Kev kho cov xim pleev xim tuaj yeem txhim kho qhov kev tiv thaiv corrosion ntawm sab nrauv ntawm cov yeeb nkab fittings. Tsis tas li ntawd, vim tsis yog-galvanized dub yeeb nkab fittings ncaj qha nthuav tawm cov xim qub hlau ntawm malleable hlau thiab ci nrog cov xim hlau tshwj xeeb, ntau cov yeeb nkab dub yog siv los ua cov khoom siv tes ua. Ntawm ib sab, cov xim thiab kev ntxhib los mos ntawm cov yeeb nkab dub fittings zoo nkauj heev. Ntawm qhov tod tes, cov xim sib txawv ntawm cov xim tuaj yeem muab txau rau ntawm lawv qhov chaw los ua ntau yam khoom siv tes ua zoo nkauj.
Gas System
Gas kis tau tus mob yog ib qho tseem ceeb daim ntawv thov teb ntawm galvanized malleable yeeb nkab fittings. Vim yog qhov corrosive ntawm natural gas, galvanized yeeb fittings raug xaiv yam tsis muaj kev zam rau cov malleable yeeb nkab fittings uas thauj natural gas. Tsis tas li ntawd, kev nyab xeeb ntawm cov raj xa hluav taws xob yog qhov siab heev, yog li kev xaiv cov yeeb nkab fittings yuav xav tau cov qauv siab tshaj plaws, uas yog, hnyav banded yeeb nkab fittings. Kev xaiv cov yeeb nkab fittings yuav tsum tau ua ke nrog cov ntawv thov tshwj xeeb. Kev xaiv tsis raug yuav ua rau muaj teeb meem kev nyab xeeb loj. Hauv thaj chaw uas yuav tsum muaj kev nyab xeeb siab, cov yeeb nkab fittings yuav tsum raug xaiv.
Yam tseem ceeb uas yuav tsum tau xav txog thaum txhim kho Galvanized Malleable Hlau Yeeb Fittings
Thaum nws los txog rau kev teeb tsa cov yeeb nkab, xaiv cov khoom siv thiab cov khoom tsim nyog yog qhov tseem ceeb rau kev ua kom lub neej ntev, kev cia siab thiab ua haujlwm zoo. Galvanized malleable hlau fittings yog ib qho kev xaiv nrov rau ntau yam kev siv cov kav dej vim lawv lub zog, durability, thiab versatility. Cov hauv qab no yog npaj los muab kev qhia dav dav ntawm cov ntsiab lus tseem ceeb los xav txog thaum txhim kho malleable hlau yeeb nkab fittings.
Nkag siab Galvanized Malleable Hlau Yeeb Fittings
Galvanized malleable hlau yeeb nkab fittings yog tsim los ntawm ib hom cam khwb cia hlau paub rau nws zoo heev lub zog thiab durability. Cov fittings no muaj cov cua kub tsis kam, ua rau lawv haum rau ob qho tib si hauv tsev thiab kev lag luam kav dej. Nws yog ib qho tseem ceeb kom paub koj tus kheej nrog cov khoom thiab cov yam ntxwv ntawm malleable hlau yeeb nkab fittings ua ntej kev teeb tsa kom ntseeg tau tias siv tau zoo.
Tsim nyog qhov loj me thiab Compatibility
Ua ntej kev teeb tsa, nws yog ib qho tseem ceeb kom raug ntsuas thiab txiav txim siab qhov ntau thiab tsawg rau koj cov yeeb nkab malleable hlau fittings. Kev ntsuas kom zoo ua kom muaj kev ruaj ntseg haum thiab txaus txaus nyob rau hauv cov kav dej. Tsis tas li ntawd, xyuas kom meej tias cov fittings sib haum nrog lwm yam khoom, xws li cov kav dej, li qub, thiab cov khoom sib txuas, kom muaj kev ncaj ncees thiab tiv thaiv kom tsis txhob muaj dej los yog tsis ua haujlwm.
Kev Npaj Ua Yeeb Yam
Kev npaj cov yeeb nkab sib koom ua ke yog qhov tseem ceeb rau kev txhim kho kom tiav ntawm malleable hlau yeeb nkab fittings. Ntxuav cov yeeb nkab kom huv si kom tshem tawm cov av, roj, lossis cov khib nyiab uas tuaj yeem cuam tshuam qhov sib koom ua ke. Ua kom zoo deburr cov yeeb nkab cov npoo kom ntseeg tau qhov chaw du kom ruaj ntseg haum. Kev siv cov xov hlau uas tsim nyog los yog daim kab xev rau cov txiv neej threads yuav ntxiv dag zog rau kev sib koom ua ke thiab tiv thaiv kom tsis txhob muaj qhov tshwm sim.
Tsim nyog Installation Techniques
Thaum txhim kho galvanized malleable hlau yeeb nkab fittings, nws raug nquahu kom siv cov txheej txheem tsim nyog kom ua tiav cov txiaj ntsig zoo. Xyuas kom tseeb tias cov fittings raug nruj nrog cov cuab yeej tsim nyog, xws li cov yeeb nkab wrenches lossis adjustable wrenches, kom muaj zog txaus yam tsis muaj kev puas tsuaj rau cov fittings. Tshaj-tightening tuaj yeem ua rau tawg, thaum qis-tightening yuav ua rau cov pob qij txha xoob.
Xav txog Environmental Factors
Environmental yam tseem ceeb ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm thiab kev ua haujlwm ntev ntawm galvanized malleable hlau yeeb nkab fittings. Xav txog yam xws li kub hloov pauv, raug rau cov khoom corrosive, lossis muaj cov dej noo. Kev xaiv los yog siv cov txheej txheem kom raug, xws li galvanization, tuaj yeem pab txhim kho cov fittings 'tiv thaiv corrosion thiab ncua lawv lub neej.
Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua
Txhawm rau kom muaj kev ua haujlwm txuas ntxiv ntawm koj cov galvanized malleable hlau yeeb nkab fittings, kev tshuaj xyuas tsis tu ncua thiab kev saib xyuas yog qhov tseem ceeb. Tshawb xyuas cov cim ntawm xeb, xau, lossis puas tsuaj thiab kho tam sim lossis hloov cov khoom siv cuam tshuam. Tsis tas li ntawd, kev tu ncua sij hawm thiab lubrication ntawm cov khoom txav hauv cov fittings tuaj yeem pab tiv thaiv cov teeb meem cuam tshuam txog kev sib txhuam thiab tswj kev ua haujlwm zoo.
Peb Daim Ntawv Pov Thawj
Peb lub tuam txhab tau txais daim ntawv pov thawj hauv qab no:

Peb lub Hoobkas
Cov hauv qab no yog peb lub Hoobkas:

Cov lus nug nquag
Q: Dab tsi yog malleable hlau yeeb nkab fittings siv rau?
Q: Kuv puas tuaj yeem tau txais cov kav hlau tsis muaj steel hlau?
Q: Dab tsi yog qhov zoo ntawm malleable hlau?
Q: Dab tsi yog tus qauv rau malleable hlau fittings?
Q: Dab tsi yog qhov kev ntsuas siab ntawm lub malleable haum?
Q: Kuv puas tuaj yeem siv cov fittings malleable ntawm chav?
Q: Muaj zog npaum li cas yog malleable hlau?
Q: Qhov txawv ntawm malleable thiab cam khwb cia hlau fittings yog dab tsi?
Q: Dab tsi yog qhov txawv ntawm ductile thiab malleable hlau fittings?
Q: Dab tsi yog malleable hlau yeeb nkab?
Q: Dab tsi yog qhov ntsuas siab rau galvanized malleable fittings?
Q: Can malleable hlau xeb?
Q: Yuav ua li cas koj txiav malleable hlau kav?
Q: Dab tsi yog qhov txawv ntawm steel thiab malleable hlau yeeb nkab fittings?
Q: Dab tsi yog malleable hlau npaj los ntawm?
Q: Dab tsi yog cov khoom ntawm malleable hlau?
Q: Ob chav kawm dab tsi ua malleable hlau fittings tuaj rau hauv
Cim npe nrov: galvanized malleable hlau yeeb nkab fittings, Tuam Tshoj galvanized malleable hlau yeeb nkab fittings Hoobkas






