Industrial Ɔhyew a Ɛkorɔn Gasket Nneɛma

Industrial high-temperature gasket material yɛ ade a wɔayɛ no pɔtee sɛ ɛbɛma wɔanya nsɔano a wotumi de ho to so wɔ mmeae a ɛhɔ yɛ hyew kɛse-(mpɛn pii no ɛkyerɛ adwumayɛ mu hyew a ɛboro digrii 120 , na wɔ tebea horow bi a emu yɛ den mu no, ɛkɔ digrii 1000 anaa nea ɛboro saa). Ne dwumadie titire ne sɛ ɛbɛkura elasticity pa, sealing adwumayɛ, ne structure stability mu wɔ temperature kɛseɛ, nhyɛsoɔ kɛseɛ, ne medium tebea a ɛbɛtumi asɛe, na asiw nsuo anaa gas a ɛbɛtu. Wɔyɛ nneɛma atitiriw a ɛma mfiridwuma mu nnwinnade yɛ adwuma dwoodwoo.
Industrial high-temperature gasket nneɛma yɛ soronko koraa na ɛne sealing ahotoso, ahobammɔ, ne adwumayɛ ho ka wɔ nnwinnade ho tẽẽ.

Ɔhyew ho nsɛnkyerɛnne:Ɛho hia sɛ wɔkyerɛkyerɛ bere tenten-ɔhyew a wɔde yɛ adwuma ne bere tiaa{1}}ɔhyew a ɛsen biara (te sɛ ɔhyew a ɛboro so ntɛm ara bere a mfiri no fi ase anaasɛ egyae), na wɔpaw nneɛma a ɔhyew a ɛwɔ soro a ɛko tia anohyeto a ɛkorɔn 20% kosi 30% sen ɔhyew ankasa (kora ahobammɔ kwan). Sɛ nhwɛso no, wɔ tebea horow a adwumayɛ mu hyew yɛ digrii 250 bere tenten mu no, ɛsɛ sɛ wɔpaw nneɛma a ɔhyew a ɛko tia digrii a ɛboro digrii 300 anaasɛ ɛne no yɛ pɛ.

Su ahorow a ɛwɔ mfinimfini:Sɛ ɛne nneɛma a ngo wom (te sɛ hydraulic oil, diesel) di nkitaho a, kwati silicone rɔba ne EPDM. Fa fluororubber anaa dade kuru gasket (a graphite ahyɛ mu ma) di kan. Sɛ ɛne nneɛma a ɛporɔw kɛse (te sɛ sulfuric acid ne caustic soda) di nkitaho a, ɛsɛ sɛ wɔde graphite composite gasket anaa nickel alloy metal gaskets di kan. Sɛ ɛne aduan anaa nnuruyɛ ho nsɛm ho amanneɛbɔ di nkitaho a, ɛsɛ sɛ wɔpaw nneɛma a ɛne FDA adansedi hyia (te sɛ aduan-grade silicone rɔba, graphite kronkron).

Nhyɛso tebea: .Nhyɛso a ɛba fam ( .< 1MPa). Rubber or asbestos-free gaskets are available as options. For medium and high pressure (1 to 30MPa), metal wound or corrugated gaskets are preferred. Ultra-high pressure (>30MPa) hwehwɛ sɛ wɔde dade a wɔde kata so anaasɛ dade a ɛho tew gaskets (te sɛ kɔbere anaa aluminium gaskets).

Nsɔano krataa:Dynamic sealing (te sɛ pistons, rotating shafts) hwehwɛ sɛ wɔde nneɛma a ɛyɛ den yiye (te sɛ fluororubber); Wɔ static sealing (te sɛ flanges ne mfiri interfaces) ho no, wobetumi apaw composite fiber anaa dade gaskets.

Nneɛma a wɔde besisi hɔ ne ɛka a wɔbɔ:Gasket a rɔba ne asbestos- nnim no yɛ mmerɛw sɛ wɔde bɛhyɛ mu na ɛho ka sua, nanso wɔn nkwa nna yɛ tiaa koraa. Ɛsɛ sɛ wɔde dade gaskets ne flange surfaces a ɛyɛ pɛpɛɛpɛ (surface roughness Ra<=3.2μm), a ne bo yɛ den kakra, nanso ɛwɔ nkwa nna tenten ne ahotoso kɛse.

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