FKM/FPM /VITON ORING MAT DULL FINISH FINISH PTFE COATED KA NTLE PFAS
FKM/FPM /VITON ORING MAT DULL FINISH FINISH PTFE COATED KA NTLE PFAS
PTFE Coated O-Rings Applications
Aegis, Aflas, Butyl, Fluorosilicone, Hypalon kapa motsoako ofe kapa ofe oo kopo ea hau e khethehileng e ka o hlokang.Li-O-Rings tse koahetsoeng le tse kentsoeng ke khetho e 'ngoe hape:
- Li-Coated or Encapsulated - Coated O-Rings li koahetsoe ke PTFE, tse nang le seaparo se khomarelang O-Ring (hangata Silicone kapa Viton kapa NBR).Li-O-Rings tse kentsoeng ke O-Ring (hangata Silicone kapa Viton) e koahetsoeng ka tube ea PTFE.Ho roala ha PTFE ea O-Rings ke seaparo se setle sa khohlano e tlase moo ho tenyetseha ha ts'ebetso ho nahanoang haholo.O-Ring e kentsoeng e itšoara joalo ka mokelikeli o phahameng oa viscous, khatello leha e le efe holim'a tiiso e fetisetsoa ka mahlakoreng 'ohle.Li-O-Rings tse koahetsoeng li fumaneha ka mefuta e mengata ea mebala.
- Metsoako e khethehileng ea thepa - Haeba u na le tlhokahalo ea motsoako o itseng oo e seng maemo a tloaelehileng a indasteri, re ka sebetsa le bahlahisi ho hlahisa motsoako oo o khethehileng ho finyella litlhoko tsa hau.
- Mil-Spec, Mil-Std kapa Milspecs ke tekanyetso ea ts'ireletso ea United States e sebelisetsoang ho fihlela sepheo sa maemo ke Lefapha la Tšireletso la US.Li-Rocket Seals li ka hlahisa Mil-Spec efe kapa efe ka marang-rang a rona a maholo a barekisi ba tsebahalang.
- Lisebelisoa tsa boemo ba lijo tsa FDA, mabitso a kantle ho naha, USP, KTW, DVGW, BAM, WRAS (WRC), NSF, Underwriters Laboratories (UL), Aerospace (AMS) le Mil-Spec - Rocket e na le boiphihlelo ba ho fihlela litlhoko tsa hau ho latela maemo ohle a indasteri.
o ka khetha 'mala o latelang kapa mebala e meng.
E tsejoang hamolemo ka lebitso la lebitso la Teflon, polytetrafluoroethylene (PTFE) e fana ka sebaka se se nang lithupa ho lisebelisoa tsa ho pheha, polisi ea manala, lisebelisoa tsa ho kuta moriri, kalafo ea masela/mmete, le li-wiper blades.Leha ho le joalo, bahlahisi ba bona melemo e eketsehileng ea ho sebelisa PTFE e le mokhoa oa ho etsa li-O-rings tsa boleng.O-ringse hahiloeng ka ho sebelisa PTFE e fana ka mocheso o phahameng oa mocheso le lik'hemik'hale, 'me ba khona ho hanela likhohlano le metsi.
PTFE KHAHLANONG TEFLON
Le hoja li fapane ka ho kenya marang-rang, PTFE le Teflon li arolelana tšimoloho le thepa e tšoanang.
PTFE
PTFE ke polima ea maiketsetso e nkiloeng ho tlamahano ea lik'hemik'hale lipakeng tsa khabone le fluorine, e nka monyetla oa tšekamelo ea li-radicals tsa mahala tsa ho polymerize ka tetrafluoroethylene.Thepa ena e ile ea sibolloa ka phoso ka 1938, ha setsebi sa k'hemistri sa DuPont Roy J. Plunkett se ne se leka ho etsa mofuta o mocha oa sehatsetsi, 'me se kopanya lisebelisoa tsena ntle le ho tseba hore na se tla baka eng.
TEFLON
Kinetic Chemicals, k'hamphani e kopanetsoeng pakeng tsa DuPont le General Motors, e rekiloe PTFE tlas'a lebitso la Teflon ka 1945. Ha e le hantle, Teflon ke PTFE.Leha ho le joalo, PTFE e fumaneha hape tlas'a mefuta e meng ea mabitso a marang-rang, joalo ka:
- Daikin-Polyflon
- Fluon
- Dyneon
LETLOTLO
Lintho tse 'maloa li khetholla PTFE ho lintho tse ling, ho kenyelletsa:
- Khokahano e tlase ea khohlano: PTFE e na le coefficient ea boraro e tlase ea khohlano ea ntho efe kapa efe e tsejoang ke motho, ho bolelang hore ehlile e teng.
- Mesebetsi ha thempereichara e feteletseng: E lekantsoe ho 600 K, PTFE e qhibiliha ho 327ºC kapa 620ºF, hape e sebetsa hantle ka mocheso o tlase ho −268ºC kapa −450ºF.
- E hanela metsi: Metsi a etsa lifaha ka holim'a PTFE, ho bolelang hore libaka tse tšoaroang ka thepa ena ha li na oxidation.
- Nonreactive: PTFE ha e sebetsane le bongata bo boholo ba lintho tse senyang, e etsa hore e be e loketseng ho sebelisoa liphaepheng, li-valve, litiiso le li-O-rings.
PTFE E PHAHAMENG MOCHESO RANGE
Mocheso oa mocheso (-1,000F ho + 4,000F), ho se sebetse, ho hanyetsa metsi, le thepa e tlaase ea likhohlano ea PTFE e etsa hore e be thepa e loketseng ho haha li-rings tsa O-rings bakeng sa ho sebelisoa mefuteng e mengata e fapaneng.Mehaho ena e etsa hore PTFE O-rings e be khetho e nepahetseng bakeng sa lits'ebetso tse hanyetsanang le boemo ba leholimo hammoho le lits'ebetso tse kenyelletsang motlakase le mohatsela.
Ka lebaka la bongata ba tsona,PTFE O-ringsha lia “qhibiliha”—ho e-na le hoo, lia hatelloa le ho silafatsoa ho fana ka sebōpeho se hlokahalang.
TIISO TEFLON/PTFE
O-ringsentsoe ka PTFE ba teng ka mefuta e fapaneng ya ditshebediso tsa indasteri tse hlokang litiiso tse ka emang le tsietsi.PTFE O-rings e hlaha lits'ebetsong tse ngata tse pepesehileng mabaka a latelang a kotsi:
| Top Applications | Mefokolo ea Mechini |
|---|---|
|
|
feme ea rona e sebelisa tse latelang ho etsa hore oring mat kaofela e be lerootho:
