Kev piav qhia ntawmBS4518 Txheem FKM O-Rings
Cov yam ntxwv ntawm tus qauv
- Tsawg Gas Permeability: FKMs muaj roj permeability tsawg heev, zoo ib yam li roj hmab butyl, uas ua rau lawv muaj txiaj ntsig zoo hauv cov ntawv thov uas yuav tsum tau muaj kev tiv thaiv los ntawm cov pa xau.
- Kev Pom Zoo thiab Ntawv Pov Thawj: BS4518 tus qauv O-rings ua raws li ntau qhov kev pom zoo thoob ntiaj teb thiab cov ntawv pov thawj xws li WRC, WRAS, FDA, DVGW, thiab lwm yam, uas ua pov thawj lawv qhov zoo thiab kev ntseeg tau.
- High-temperature resistance: FKM cov khoom muaj kev ua tau zoo nyob rau hauv high-temperature ib puag ncig thiab tuaj yeem tiv taus kub txog li 300 degree. Qhov no ua rau BS4518 tus qauv FKM O-rings haum rau thermodynamic thiab high-temperature applications xws li cav sealing.
- Cov tshuaj tiv thaiv zoo heev: FKM cov khoom muaj tshuaj lom neeg zoo heev thiab tuaj yeem tiv taus yaig thiab xeb los ntawm ntau yam tshuaj lom neeg. Yog li, BS4518 tus qauv O-rings feem ntau siv rau hauv thaj chaw uas xav tau kev tiv thaiv corrosion, xws li kev lag luam tshuaj thiab roj av.
- Kev ua tau zoo sealing zoo: FKM O-ring muaj kev sib khi zoo heev thiab tuaj yeem tiv thaiv kom tsis txhob muaj kua lossis roj. Lub elasticity thiab lub zog ntawm nws cov khoom ua rau O-rings hloov mus rau qhov sib txawv sealing daim ntaub ntawv thiab muab kev ruaj ntseg sealing los.
- Kev siv ntau yam: BS4518 tus qauv FKM O-ring yog dav siv hauv kev lag luam thiab tsheb. Lawv tuaj yeem siv rau hauv tsheb cav, roj av thiab cov cuab yeej siv tshuaj, kev siv aerospace, thiab lwm yam kom tau raws li ntau yam kev xav tau kev sib khi.
Cov cheeb tsam tseem ceeb ntawm daim ntawv thov
1. Automotive kev lag luam: FKM O-rings yog dav siv nyob rau hauv kev lag luam tsheb, tshwj xeeb tshaj yog nyob rau hauv lub cav tshuab. Lawv yog siv los kaw cov chaw tseem ceeb xws li lub tog raj kheej taub hau, lub tog raj kheej liner, cov roj txhaj tshuaj, lub tshuab cua txias, thiab lub tshuab tso pa. FKM O-rings tuaj yeem tiv taus qhov kub thiab txias thiab tshuaj lom neeg tawm tsam, ua kom muaj kev sib khi thiab txhim khu kev lag luam ntawm lub cav tshuab.
2. Kev lag luam roj av thiab tshuaj lom neeg: Vim muaj kev tiv thaiv corrosion zoo heev thiab kub-kub ntawm cov khoom siv FKM, BS4518 tus qauv FKM O-rings tau siv dav hauv cov khoom siv roj av thiab tshuaj. Lawv yog siv los kaw cov khoom tseem ceeb xws li cov kav dej, cov li qub, cov twj tso kua mis, thiab cov hlab ntsha siab kom ntseeg tau qhov nruj thiab kev nyab xeeb ntawm lub cev.
3. Aerospace teb: Aerospace daim ntawv thov muaj qhov xav tau siab heev ntawm kev kub siab thiab tshuaj lom neeg ntawm cov khoom siv. BS4518 tus qauv O-rings tau siv dav hauv cov khoom tseem ceeb xws li lub tshuab dav hlau, aviation roj systems, hydraulic systems, thiab cov ntsaws ruaj ruaj kom ntseeg tau tias muaj kev ntseeg siab thiab kev nyab xeeb ntawm cov kab ke hauv qhov chaw huab cua.
4. Kev lag luam tshuaj: FKM O-rings yog siv rau hauv kev lag luam chemical los kaw thiab tiv thaiv cov khoom siv, xws li reactors, tank tank, kav, thiab li qub. Cov tshuaj tiv thaiv corrosion ntawm FKM cov khoom ua rau nws tuaj yeem tiv taus kev yaig ntawm ntau yam corrosive media thiab tshuaj lom neeg, kom ntseeg tau tias kev ua haujlwm txhim khu kev qha.
Ntxiv rau cov teb saum toj no, BS4518 tus qauv FKM sealing rings kuj tseem siv tau rau hauv cov khoom siv ua zaub mov, kev lag luam tshuaj, tshuab nqus tsev, semiconductor manufacturing, thiab lwm yam kev siv uas yuav tsum tau kub, corrosion resistance, thiab sealing kev ua tau zoo.
Cov ntaub ntawv ntawm lub cev
| Lub cev muaj zog | Rating (Metric) | Kev ntsuas (Imperial) | Txoj Kev Xeem |
| Qhov ntom | 1. 86 g/cc | 0.0672 lb/in³ | |
| Mooney viscosity | 60 @Kub 121 degree |
60 @Cub 250 degree F |
Nominal Viscosity, ML 1+10 |
| Mechanical Properties | Rating (Metric) | Kev ntsuas (Imperial) | Kev sim |
| Permanent compression | 20% @Kub 200 degree |
20% @Qhov kub 392 degree F |
70 hnu |
| Tensile zog (tawg) | 14.1 MPa siab | 2050 psi ua | ASTM D 1414 Cov Lus Qhia |
| Tensile zog (Yield) | 4.14 MPa rau | 600 psi ua | @50% Elongation; ASTM D 1414 Cov Lus Qhia |
| 7.074 MPa ua | 1026 psi ua | @100% elongation; ASTM D 1414 Cov Lus Qhia | |
| Elongation (thaum tawg) | 182 % | 182 % | ASTM D 1414 Cov Lus Qhia |
| Thermal Performance | Rating (Metric) | Kev ntsuas (Imperial) | Txoj Kev Xeem |
| Kev khiav hauj lwm kub siab tshaj plaws, Cua | 204 degree | 399 degree F | Kev siv tsis tu ncua |
| >= 260 degree | >= 500 degree F | Kev siv tsis tu ncua | |
| Yam tsawg kawg nkaus ua haujlwm kub, Cua | {{0}} 0-18.0 degree | -9 40-0.400 degree F | Viton feem ntau muaj txiaj ntsig mus rau -18 mus rau -23 degree |
BS4518 O-Ring Qhov ntau thiab tsawg
| BS4518 Loj | ID (mm) | ID Tol' (+/- hli) | CS (mm) | CS Tol '(mm) | ID (inch) | ID Tol' (+/- nti) | CS (inch) | CS Tol' (inch) |
|---|---|---|---|---|---|---|---|---|
| BS 4518 -0031-16 | 3.1 | 0.15 | 1.6 | 0.08 | 0.122 | 0.006 | 0.063 | 0.003 |
| BS 4518 -0041-16 | 4.1 | 0.161 | ||||||
| BS 4518 -0051-16 | 5.1 | 0.201 | ||||||
| BS 4518 -0061-16 | 6.1 | 0.240 | ||||||
| BS 4518 -0071-16 | 7.1 | 0.280 | ||||||
| BS 4518 -0081-16 | 8.1 | 0.319 | ||||||
| BS 4518 -0091-16 | 9.1 | 0.358 | ||||||
| BS 4518 -0101-16 | 10.1 | 0.2 | 0.398 | 0.008 | ||||
| BS 4518 -0111-16 | 11.1 | 0.437 | ||||||
| BS 4518 -0121-16 | 12.1 | 0.476 | ||||||
| BS 4518 -0131-16 | 13.1 | 0.516 | ||||||
| BS 4518 -0141-16 | 14.1 | 0.555 | ||||||
| BS 4518 -0151-16 | 15.1 | 0.594 | ||||||
| BS 4518 -0161-16 | 16.1 | 0.634 | ||||||
| BS 4518 -0171-16 | 17.1 | 0.673 | ||||||
| BS 4518 -0181-16 | 18.1 | 0.25 | 0.713 | 0.010 | ||||
| BS 4518 -0191-16 | 19.1 | 0.752 | ||||||
| BS 4518 -0221-16 | 22.1 | 0.870 | ||||||
| BS 4518 -0251-16 | 25.1 | 0.988 | ||||||
| BS 4518 -0271-16 | 27.1 | 1.067 | ||||||
| BS 4518 -0291-16 | 29.1 | 1.146 | ||||||
| BS 4518 -0321-16 | 32.1 | 0.3 | 1.264 | 0.012 | ||||
| BS 4518 -0351-16 | 35.1 | 1.382 | ||||||
| BS 4518 -0371-16 | 37.1 | 1.461 | ||||||
| BS 4518 -0036-24 | 3.6 | 0.15 | 2.4 | 0.142 | 0.006 | 0.094 | ||
| BS 4518 -0046-24 | 4.6 | 0.181 | ||||||
| BS 4518 -0056-24 | 5.6 | 0.220 | ||||||
| BS 4518 -0066-24 | 6.6 | 0.260 | ||||||
| BS 4518 -0076-24 | 7.6 | 0.299 | ||||||
| BS 4518 -0086-24 | 8.6 | 0.339 | ||||||
| BS 4518 -0096-24 | 9.6 | 0.378 | ||||||
| BS 4518 -0106-24 | 10.6 | 0.2 | 0.417 | 0.008 | ||||
| BS 4518 -0116-24 | 11.6 | 0.457 | ||||||
| BS 4518 -0126-24 | 12.6 | 0.496 | ||||||
| BS 4518 -0136-24 | 13.6 | 0.535 | ||||||
| BS 4518 -0146-24 | 14.6 | 0.575 | ||||||
| BS 4518 -0156-24 | 15.6 | 0.614 | ||||||
| BS 4518 -0166-24 | 16.6 | 0.654 | ||||||
| BS 4518 -0176-24 | 17.6 | 0.693 | ||||||
| BS 4518 -0186-24 | 18.6 | 0.25 | 0.732 | 0.010 | ||||
| BS 4518 -0196-24 | 19.6 | 0.772 | ||||||
| BS 4518 -0206-24 | 20.6 | 0.811 | ||||||
| BS 4518 -0216-24 | 21.6 | 0.850 | ||||||
| BS 4518 -0246-24 | 24.6 | 0.969 | ||||||
| BS 4518 -0276-24 | 27.6 | 1.087 | ||||||
| BS 4518 -0296-24 | 29.6 | 1.165 | ||||||
| BS 4518 -0316-24 | 31.6 | 0.3 | 1.244 | 0.012 | ||||
| BS 4518 -0346-24 | 34.6 | 1.362 | ||||||
| BS 4518 -0356-24 | 35.6 | 1.402 | ||||||
| BS 4518 -0376-24 | 37.6 | 1.480 | ||||||
| BS 4518 -0396-24 | 39.6 | 1.559 | ||||||
| BS 4518 -0416-24 | 41.6 | 1.638 | ||||||
| BS 4518 -0446-24 | 44.6 | 1.756 | ||||||
| BS 4518 -0456-24 | 45.6 | 1.795 | ||||||
| BS 4518 -0476-24 | 47.6 | 1.874 | ||||||
| BS 4518 -0496-24 | 49.6 | 1.953 | ||||||
| BS 4518 -0516-24 | 51.6 | 0.4 | 2.031 | 0.016 | ||||
| BS 4518 -0546-24 | 54.6 | 2.150 | ||||||
| BS 4518 -0556-24 | 55.6 | 2.189 | ||||||
| BS 4518 -0576-24 | 57.6 | 2.268 | ||||||
| BS 4518 -0586-24 | 58.6 | 2.307 | ||||||
| BS 4518 -0596-24 | 59.6 | 2.346 | ||||||
| BS 4518 -0616-24 | 61.6 | 2.425 | ||||||
| BS 4518 -0626-24 | 62.6 | 2.465 | ||||||
| BS 4518 -0646-24 | 64.6 | 2.543 | ||||||
| BS 4518 -0676-24 | 67.6 | 2.661 | ||||||
| BS 4518 -0696-24 | 69.6 | 2.740 |
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