Fakamatala Sivi
Ko e sivi pipe fitting inspection 'a e ZHONGXI Testing 'oku fa'a "testing service" 'oku fai ki he ngaahi pipe fittings 'o ha me'alele ia 'oku ngaohi mei he kasa, 'ea, uamea pulou, kapu, polima, mo e fua ki ai, ki hono fakahā ha pau talu ke 'oku ma'u 'a e kaveinga fakatupu 'o e "pression", hono tauhi 'o e ngaahi kimi, mo e tōlunga 'oku lavame'a ki he ngaahi founga faka-industrí. 'Oku fa'a a'u 'a e ngaue sivi ki he ngaahi fetu'utakingá 'o e ngaahi pipe fittings 'oku ngāue'aki 'i he ngaahi polokalama ueki, kasa, vai inu, tefi'i, ha'uki vai, mo e ngaahi kautaha fakapakpaki 'o e me'alele.
'Oku ngaohi 'a e sivi pipe fitting inspection 'akovaleange 'o fakahā 'e he ngaahi me'a ta'e mamalie 'pea 'oku tauhi ange 'oku "afe 'a e ngaahi kimi ki he vai, kasa, mo e tokolahi 'o e me'a palopalema 'oku nau a'u mai ki he fa'ahinga pipe fittings; 'oku sivi'i 'a e lotofonua 'o e me'alele, hono mafai 'o tā 'e he tafatafa, hono lavame'a ki he corrosion, hono tauhi 'i he temperature pe ma'olalo ange, mo hono tau 'o e ngaahi tapu. 'Oku ngāue 'a e sivi 'a e fa'ahinga me'alele 'o e founga sivi lolotonga, hydrostatic pressure testing, non-destructive testing, metallographic analysis, chemical composition analysis, mo e dimensional inspection 'oku faka'aonga'i ki hono ako'aki 'a e 'uhinga 'oku fa'a ma'u 'a e pipe fitting mei he potungāue 'oku 'ikai toe lava 'o 'uhinga ange.
Ko e founga sivi 'oku amata aki 'a e ma'u 'o e样本 (sample) mei he langa'anga pea kuopia ki he potu sivi; 'oku sivi'i 'a e ngaahi me'a 'oku "ngoa" ki he fa'ahinga sivi 'oku fili 'e he langa'anga pe 'oku totonu ki he standard 'oku a'u mai; pea 'oku tohi 'a e tohi sivi 'oku fakaha 'a e ngaahi fua kehekehe mo e kau ki he standard tatau. Ko e ngaahi parameter mahuinga 'oku sivi'i 'oku aofiu 'a e wall thickness, diameter 'o lokotaha mo loto, angamālie 'o e ha'i, hardness, tensile strength, yield strength, elongation, impact toughness, chemical composition, surface finish, mo e joint integrity.
'Oku 'uhinga 'eni 'a e sivi pipe fitting inspection 'oku mahu'inga ange 'i he ngaahi polokalama 'oku fa'a ngāueaki 'a e pipe fittings 'i he mahu'inga 'o e ngaahi me'a fakapakipaki, kasa 'oku lavame'a, mo e vai 'oku a'u ki he kakai 'oku fie ma'u ha tali. Kae ave 'a e ngaahi palopalema 'i hono sivi'i ma'a e ngaahi pipe fittings 'oku fa'a faka'ilonga'i 'i he ngaahi me'a ta'e mamalie 'oku fa'a ma'u 'i he ngaahi potu ngāue 'oku 'ikai ke lava 'o 'ilo 'e ha taha.
Ngaahi Me'a Sivi
- Elbow 45 degree butt-weld stainless steel grade 304 'oku ngāue'aki 'i he polokalama vai inu mo e ngaahi me'akai.
- Elbow 45 degree butt-weld stainless steel grade 316L 'oku ngāue'aki 'i he potungāue 'oku lavame'a ki he kemikale mo e vai moana.
- Long radius elbow mo short radius elbow 'oku sivi'i 'a e center-to-end dimension mo e wall thickness.
- Tee equal mo Tee reducing 'oku sivi'i 'a e runoff 'o e branch dimension mo e bevel angle.
- Cross fitting 'oku sivi'i 'a e symmetry 'o e ngaahi branch mo e bore alignment.
- Reducer concentric mo eccentric 'oku sivi'i 'a e taper angle mo e concentricity tolerance.
- Cap butt-weld 'oku sivi'i 'a e wall thickness mo e depth 'o e dished end.
- Stub end butt-weld 'oku sivi'i 'a e lap joint flange compatibility mo e surface finish.
- Socket weld elbow, tee, mo cross 'oku sivi'i 'a e socket depth mo e bore diameter.
- Threaded elbow mo threaded tee NPT mo BSP thread 'oku sivi'i 'a e thread pitch, taper, mo gofit.
- Flanged pipe fitting weld neck flange 'oku sivi'i 'a e flange thickness, bolt circle, mo raised face dimension.
- Slip-on flange, blind flange, lap joint flange, threaded flange 'oku sivi'i 'a e dimensional compliance.
- Ductile iron pipe fitting push-on joint mo mechanical joint 'oku sivi'i 'a e gasket seat mo e bell depth.
- PE pipe fitting electrofusion coupler 'oku sivi'i 'a e fusion zone resistance mo e heating wire placement.
- PE pipe fitting butt fusion fitting 'oku sivi'i 'a e fusion bead mo hono joint strength.
- PVC-U pipe fitting solvent cement joint 'oku sivi'i 'a e solvent cement compatibility.
- PVC-C mo CPVC pipe fitting 'oku sivi'i 'a e heat resistance mo pressure rating.
- PPR pipe fitting fusion welding 'oku sivi'i 'a e socket fusion depth mo ovality.
- ABS pipe fitting 'oku sivi'i 'a e impact strength 'i he mafana 'oku ma'olalo.
- Composite pipe fitting with plastic overlay 'oku sivi'i 'a e layer adhesion mo transition joint integrity.
- Pipe coupling grooved mechanical coupling 'oku sivi'i 'a e groove dimension mo gasket pressure.
- Compression fitting brass mo stainless 'oku sivi'i 'a e sealing performance under vibration.
- Expansion joint mo flexible metal hose 'oku sivi'i 'a e cycle life mo pressure capability.
Ngaahi Fehu'i Masani
'Oku 'i ai ha fiha 'a e taimi 'oku ngāue ai 'a e sivi pipe fitting inspection?
Ko e taimi sivi 'oku 'omi ki he 7 ki he 15 'aho ngaue, 'oku hanga 'i he fika 'o e ngaahi me'a sivi 'oku fili pea mo e fa'ahinga sample 'oku 'oatu. Kapau 'oku fiu 'a e sivi ki he dimension, material composition, mo pressure test 'i ha sample tatau, 'oku ma'u 'a e tali 'i he taimi lōmiapei 'o e 7 ki he 10 'aho ngaue. Kapau 'oku 'i ai 'a e ngaahi founga sivi 'oku fiu ange 'o hanga 'a e corrosion testing, metallographic analysis, pe non-destructive testing, 'oku lava 'o a'u 'a e taimi ki he 12 ki he 15 'aho ngaue. Kapau 'oku 'i ai ha me'a 'oku lava 'o fai 'a e founga sivi fakatonutonu, 'oku toe fekau 'a e potu sivi ki he langa'anga ki hono fakahā 'a e taimi tatau.
Ko e hā e totongi 'o e sivi pipe fitting inspection?
'Oku hanga 'a e totongi ki he fika 'o e ngaahi me'a sivi 'oku fili 'e he langa'anga pea mo e fa'ahinga founga sivi 'oku faka'aonga'i. 'Oku ma'u 'a e tohi totongi 'oku fakamamafa'i 'e he ngaahi 'enitiniā 'i he taimi 'oku 'omi 'a e faka'afe 'o e ngaahi me'a sivi mo e fika 'o e sample. Kapau 'oku sivi'i 'a e dimension mo e material composition, 'oku 'ikai ke totongi kehekehe 'aupito; kapau 'oku 'i ai 'a e hydrostatic pressure testing pe corrosion testing, 'oku 'asi 'a e totongi 'oku hange ha me'a. 'Oku lava 'o ma'u 'a e tohi totongi palopalema 'i he taimi 'oku 'ikai ke totongi 'i he founga sivi.
'Oku aofiu 'i ai e hā ha ngaahi me'a sivi 'i he sivi pipe fitting inspection?
'Oku hanga 'a e ngaahi me'a sivi ki he fa'ahinga 'o e pipe fitting pea mo e standard 'oku a'u mai. Ki he butt-weld carbon steel fitting, 'oku aofiu 'a e chemical composition, tensile strength, hardness, dimension, bevel angle, mo hydrostatic test. Ki he stainless steel fitting, 'oku aofiu 'a e intergranular corrosion test mo e pitting resistance. Ki he plastic fitting, 'oku aofiu 'a e heat fusion joint strength, oválity, mo long-term hydrostatic strength. Ko e ngaahi me'a sivi 'oku lava pe 'o fili 'e he langa'anga 'i he founga sivi 'oku fai 'e he 'enitiniā ki hono fakahā 'a e founga tatau.
'Oku fiha 'a e sample 'oku totonu 'o oatu ki he sivi pipe fitting inspection?
'Oku totonu 'o oatu 'a e sample 'oku ne ma'u 'a e ma'u'anga angamahinie 'o e 100 ki he 500 kalami 'i he founga sivi; ka 'i he sivi 'o e fitting pipe, 'oku totonu 'o oatu 'a e fitting 2 ki he 4 ki he fa'ahinga 'oku sivi'i. Kapau 'oku sivi'i 'a e tensile strength, 'oku totonu 'o oatu 'a e segment 'oku ma'u 'a e straight length 'oku hange 'oku 150 mm pe lahi ange. Kapau 'oku sivi'i 'a e chemical composition, 'oku lava 'o oatu 'a e chips 'oku ma'u 'i hono tā 'a e fitting. 'Oku totonu 'o mark 'a e sample ki hono fakahā 'a e lotu, batch number, mo e material grade.
Fakatatala
Ko e sivi pipe fitting inspection 'oku aofiu 'a e dimensional inspection, chemical composition analysis, mechanical testing, non-destructive testing, hydrostatic pressure testing, corrosion testing, mo e plastic material evaluation ki he ngaahi pipe fitting 'oku ngāue'aki 'i he oil gas, kemikale, vai inu, HVAC, mo e construction industry. 'Oku sivi'i 'a e sample 'i he taimi 'o e 7 ki he 15 'aho ngaue, pea 'oku lava 'o fili 'e he langa'anga 'a e ngaahi me'a sivi 'oku tatau 'aki hono fa'ahinga product pea mo e standard 'oku a'u mai; 'oku tohi 'a e tohi sivi 'oku fakaha 'a e ngaahi fua kehekehe 'oku ma'u 'i he founga sivi.