Fakamatala Sivi
Ko e sivi gasket seal testing 'a e ZHONGXI Testing 'oku faka'aonga'aki ke sivi 'a e ngaahi gasket seal ('uhila ki he palopalema 'o e tape 'o e ngaahi vahevahe) 'o e 'eni 'oku faka'aonga'aki 'i he ngaahi 'uhila motu'a, ngaahi machine 'o e indosi, pipeline, valve, pump, heat exchanger, mo e ngaahi tapaka 'oku tauhi 'a e ngaahi me'a mafana. 'Oku fa'u 'a e gasket seal mei he ngaahi material kehekehe 'o lahi ai 'a e faka'aonga'aki 'i he māmani hono holoki 'a e ngalupe 'o e vai, 'ea, gas, kele, chemical, mo e ngaahi me'a mafana. 'Oku mahino 'a e sivi gasket seal testing koe'uhi 'oku 'i ai 'a e tu'umauli 'o e tape 'i he ngaahi tulī faka'uhila 'o e gasket 'i he ngaahi 'ea 'oku ma'u 'i he malohi 'o e tapaki, 'i he vevela ange, pe 'i he ngaahi me'a kemikale 'oku fa'a pē 'a e fatongi ki ai.
'Oku ngāueaki 'a e sivi gasket seal testing 'i he fa'ahinga faka'uhila ke fakamānmania 'o 'oku 'ikai ngāue 'a e gasket 'i he ngaahi tulī 'oku 'uhia ki ai kotoa pe 'o e ngaahi founga 'oku faka'aonga'aki 'i he māmani. 'Oku a'u 'a e ngaahi founga sivi ki he sivi 'o e compression, recovery, tensile strength, hardness, mo e ngaahi parameter 'o e seal performance 'o hangē 'ko e "leak rate" 'i he ngaahi founga 'o e gas mo e liquid. 'Oku 'i ai 'a e sivi 'o e aging 'o e material 'i he vevela, 'oil resistance, mo e chemical resistance ke fakatokanga'i 'a e ngaahi ngaahi 'uhila 'oku ma'u 'i he ngaahi tulī 'oku tauhi 'a e gasket.
'Oku a'u 'a e founga sivi 'i he fale sivi 'a e ZHONGXI Testing ki he ngaahi fa'ahinga gasket kehekehe 'oku fakafonu 'a e ngaahi founga 'oku faka'aonga'aki 'i he ngaahi standard. 'Oku 'i ai 'a e sivi 'o e compressibility mo recovery, creep relaxation, sealability, 'oil resistance, mo e ngaahi founga 'o e aging. 'Oku fa'u 'a e ngaahi 'oto'o test 'i he ngaahi machine compression 'oku lava 'o faka'auli 'a e load mo e displacement, 'o ne fakamai 'a e ngaahi parameter 'oku fakahoko 'i he sivi.
Ngaahi Me'a Sivi
- Compressibility: 'oku fakahoko 'a e measurement 'o e poupou 'o e gasket 'i he load 'oku fakatulou 'o fakamai ai 'a e ngaonga 'o e gasket ki he flange surface
- Recovery: 'oku fakahoko 'a e measurement 'o e toe fakatokagaue 'o e thickness 'i he taimi 'oku tuku 'a e load 'o fakamai ai 'a e ngaonga ki he pressure cycling
- Creep relaxation: 'oku fakahoko 'a e loss 'o e bolt load 'i he taimi 'oku lahi 'i he vevela 'oku ma'u ai 'a e kaha 'o e tape 'oku ma'u 'i he 'ea
- Sealability (leak rate): 'oku lau 'a e volume 'o e gas pe liquid 'oku ō ki tu'a 'i he unit time 'i he pressure 'oku fakatulou
- Yield strength 'o e metal gasket: 'oku fakahoko 'a e load 'oku fai ai 'a e permanent deformation 'oku fakamai ai 'a e compression behavior
- Tensile strength: 'oku fakahoko 'a e malohi 'o e sheet material 'i he tension 'oku fakamai ai 'a e cracking 'i he installation
- Hardness (Shore A): 'oku fakahoko 'a e rubber gasket 'o fakamai ai 'a e ngaonga 'o e compression 'i he flange
- Compression set: 'oku fakahoko 'a e permanent deformation 'oku ma'u 'i he load 'oku lahi 'i he vevela 'oku fakamai ai 'a e loss 'o e sealing force 'i he taimi
- Oil resistance (volume change): 'oku fakahoko 'a e swelling 'o e rubber material 'i he IRM 903 oil pe fuel 'oku fakamai ai 'a e ngaonga 'i hydrocarbon media
- Fluid resistance: 'oku fakahoko 'a e weight mo e dimension change 'i he chemical media kehekehe 'oku fakamai ai 'a e chemical compatibility
- Heat aging: 'oku fakahoko 'a e tensile mo e elongation change 'i he vevela 'oku 'i he taimi 'oku lahi 'oku fakamai ai 'a e life 'o e gasket
- Compression strength: 'oku fakahoko 'a e malohi 'oku a'u 'i he crush 'oku fakamai ai 'a e over-torquing
- PQCR (P, Q, R, T values): 'oku fakahoko 'a e gasket constants 'oku faka'aonga'aki 'i he flange design calculation
- Blowout resistance: 'oku fakahoko 'a e malohi 'o e gasket ke 'ikai 'i he pressure 'oku 'oku ma'u ai 'a e safety 'o e pipeline
- Thickness 'o e gasket: 'oku fakahoko 'a e dimension 'oku fakamai ai 'a e compression ratio 'i he installation
- Surface roughness 'o e metal gasket: 'oku fakahoko 'a e sealing surface finish 'oku fakamai ai 'a e contact 'o e metal sealing
- Corrosion resistance 'o e metal: 'oku fakahoko 'a e salt spray exposure 'oku fakamai ai 'a e ngaonga 'i he marine environment
- Weight loss 'i he vevela: 'oku fakahoko 'a e loss 'o e binder 'oku ma'u 'i he vevela 'oku 'oku fakamai ai 'a e thermal stability
- Torque retention: 'oku fakahoko 'a e bolt torque loss 'i he flange assembly 'oku fakamai ai 'a e long-term tightness
- Thermal cycling resistance: 'oku fakahoko 'a e ngaonga 'o e gasket 'i he ngaahi cycle 'o vevela 'oku fakamai ai 'a e fatigue 'i he temperature fluctuation
- PV limit (pressure-velocity): 'oku fakahoko 'a e limit 'o e pressure mo e velocity 'oku fakamai ai 'a e dynamic seal application
- Gas permeability: 'oku fakahoko 'a e permeation 'o e gas 'i he material 'oku fakamai ai 'a e leakage 'i he vacuum pe low pressure
Laupā 'o e Sivi
- Spiral wound gaskets (ko e gasket 'oku fa'u 'i he spiral winding 'o e metal strip mo e filler material 'oku faka'aonga'aki 'i he pipeline flange mo e heat exchanger)
- Ring type joint gaskets (RTJ, ko e metal ring gasket 'oku faka'aonga'aki 'i he flange 'oku ma'u 'i he high pressure oil mo gas pipeline)
- Sheet gaskets 'oku fa'u mei he non-asbestos fiber (NAF, 'oku faka'aonga'aki 'i he ngaahi tulī vevela mo e chemical)
- Flexible graphite gaskets (ko e graphite sheet gasket 'oku a'u ki he vevela 'oku 'o lahi)
- PTFE gaskets ('oku fa'u mei he polytetrafluoroethylene 'oku faka'aonga'aki 'i he chemical pipeline)
- Expanded PTFE gaskets ('oku ma'u 'a e conformability 'oku ange 'i he flange 'oku 'ikai ha leveling)
- Envelope gaskets (PTFE envelope 'oku fa'u 'i he core 'o e corrugated metal pe solid metal)
- Corrugated metal gaskets 'oku fa'u mei he stainless steel 304, 316L, pe Inconel
- Solid metal gaskets ('oku fa'u mei he soft iron, copper, aluminum, pe stainless steel)
- Kammprofile gaskets (ko e metal core 'oku 'i ai 'a e serrated surface mo e graphite pe PTFE facing layer)
- Flange isolation gasket 'oku fa'u 'i he phenolic resin mo e PTFE sealing element
- Camprofile gaskets 'oku faka'aonga'aki 'i heat exchanger mo e vessel flange)
- O-ring seals ('oku fa'u mei he NBR, EPDM, FKM/Viton, silicone, mo e Aflas)
- Lip seals mo e rotary shaft seals (oil seals) 'oku faka'aonga'aki 'i pump mo e gearbox
- Flat rubber gaskets ('oku fa'u mei he EPDM, neoprene, SBR, mo e natural rubber)
- Flange gaskets 'oku fa'u mei he compressed fiber sheet 'oku ma'u 'i he ga'epipe
- Gasket 'oku fa'u mei he mica 'oku faka'aonga'aki 'i he ngaahi tulī vevela 'oku taha 'o e exhaust )
- Ceramic fiber gaskets 'oku faka'aonga'aki 'i furnace mo e boiler
- Soft-cut gaskets 'oku fa'u 'i he punching process mei he sheet material kehekehe
- High temperature bolt flange gasket kit (ko e bundle 'o e gasket mo e bolt mo e nut 'oku fakafonu 'a e ISA)
- Glass-lined equipment gaskets 'oku faka'aonga'aki 'i he chemical reactor
- Sanitary Tri-Clamp gaskets ('oku fa'u mei he silicone pe EPDM 'oku faka'aonga'aki 'i food, pharma mo e dairy)
- Jacketed gaskets ('oku 'i ai 'a e metal jacket 'oku ufi 'a e soft filler 'oku lava 'o ha 'i he graphite, PTFE, pe ceramic)
- 'Ohovale gasket material sheets ('oku sivi'i 'a e compressibility 'o e sheet kiate 'i mui 'o tānaki 'i he punching)
Ngaahi Fehu'i Masani
'Oku 'i ai ha huhu a e taimi 'o e sivi gasket seal testing?
'Oku huhu 'a e taimi 'o e sivi gasket seal testing 'i he 7 ki he 15 'aho ngāue 'i he loto, 'o hangē 'i he fika 'o e ngaahi me'a sivi 'oku fili, fa'ahinga 'o e sipoa 'oku tuku mai, mo e tu'umauli 'o e ngaahi founga sivi. Kapau 'oku sivi'i 'a e ngaahi me'a 'oku fa'u 'i he aging 'o e vevela pe 'oku ma'u 'a e compression set, 'e ma'u 'a e taimi sivi 'oku lava ange 'i he 15 'aho. Kapau 'oku 'i ai 'a e ngaahi me'a sivi 'oku ngāue lologo 'oku lava 'o fakahoko 'i he 7 'aho ngāue 'o ma'u ai 'a e polokalama 'a e 'uhinga 'oku ma'u 'a e ngaahi sipoa 'oku tuku mai 'oku lava 'o fakahoko 'a e sivi.
'Oku 'i ai ha fika 'o e totongi 'a e sivi gasket seal testing?
'Oku fakatulou 'a e totongi ki he sivi gasket seal testing 'i he fika 'o e ngaahi me'a sivi 'oku fili. 'Oku 'ikai ha totongi 'oku fakatulou 'i he fa'ahinga sipoa, kae 'oku fakatulou 'i he fika 'o e ngaahi me'a sivi 'oku ngāue. Kapau 'oku fili 'a e sipoa 'a e sealability test, compressibility mo recovery, 'e ma'u 'a e totongi 'oku si'i ange 'i he fili 'o e ngaahi me'a 'oku lahi ange. Ke ma'u 'a e quotation 'oku fika 'oku tonu, 'oku lava 'o fetu'utaki ki he ngaahi 'enikanea 'a e ZHONGXI Testing ke fakamai atu 'a e fika 'o e ngaahi me'a sivi 'oku mana'o mo e fa'ahinga 'o e sipoa.
'Oku 'i ai ha fika 'o e ngaahi me'a sivi 'oku 'i ai 'a e sivi gasket seal testing, mo e fika 'o e sipoa 'oku tohi?
'Oku fakatulou 'a e ngaahi me'a sivi 'i he fa'ahinga 'o e gasket mo e standard 'oku faka'aonga'aki. 'I he ngaahi gasket 'oku fa'u mei he sheet fiber, 'oku 'i ai 'a e compressibility, recovery, tensile strength, mo e aging. 'I he spiral wound gasket, 'oku 'i ai 'a e sealability, creep relaxation, mo e compression. 'I he O-ring, 'oku 'i ai 'a e hardness, compression set, tensile, mo e oil resistance. 'I he ngaahi sipoa, 'oku tohi 'a e 100 ki he 500 karamu ki he sheet material, 'a ia 'oku tohi 'a e 3 ki he 5 gasket kotoa 'oku ma'u 'a e dimension 'oku fakatulou 'i he standard. 'I he ngaahi sivi 'oku 'i ai 'a e metal ring, 'oku tohi 'a e sipoa 'oku ma'u 'a e surface 'oku 'ikai ha damage.
'Oku 'i ai ha ngaahi tulī vevela mo e malohi 'oku sivi'i ai 'a e gasket 'i he sealability test?
'I he founga sealability, 'oku faka'auli 'a e gasket 'i he flange 'oku fakahoko 'a e bolt load 'oku fakatulou 'i he standard, 'o hange 'i he 30 ki he 70 MPa 'o e gasket stress, mo e vevela 'oku faka'auli 'i he room temperature ki he 300°C pe ange 'i he material graphite. 'Oku lau 'a e leak rate 'i he helium pe nitrogen 'oku fakahoko 'a e pressure 'oku lava 'o a'u ki he 40 MPa. 'Oku 'i ai 'a e measurement 'o e leak rate 'oku lava 'o faka'auli 'i he 'ea 'oku fa'u 'i he helium mass spectrometer 'oku lava 'o lau 'a e 10 ki he minus 6 Pa·m³/s pe si'i ange.
Fakatatala
'Oku cover 'a e sivi gasket seal testing 'a e compressibility, recovery, creep relaxation, sealability, aging, mo e ngaahi founga 'oku faka'aonga'aki 'i he spiral wound, sheet, metal, PTFE, graphite, mo e rubber gasket kehekehe. 'Oku huhu 'a e turnaround 'i he 7 ki he 15 'aho ngāue 'i he loto 'o hangē 'i he ngaahi me'a sivi 'oku fili, mo e ngaahi sipoa kehekehe 'oku lava 'o tuku mai 'o fakahoko ai 'a e sivi.