Dab tsi yogRoj-dawb Cua Compressor PTFE Piston Cup Seals
Roj-dawb Cua compressor PTFE piston khob ntim khoom siv dav siv rau chav dej, roj, dej, thiab lwm yam kev siv tshuaj. Cov nplhaib feem ntau yog ua los ntawm cov khoom siv lubricating tus kheej xws li nkauj xwb PTFE thiab sau cov PTFE sib txuas xws li carbon-filled PTFE thiab graphite-filled PTFE, thiab lwm yam. Cov no tuaj yeem ua tau yooj yim haum nrog qib siab ntawm preload kom tswj kev sib khi ntawm qhov tsis tshua muaj siab. Ua raws li qhov xav tau ntawm cov neeg siv khoom, peb muab cov no hauv ntau qhov ntev thiab qhov tshwj xeeb.
Nta
- Cov tshuaj tiv thaiv zoo heev: PTFE yog ib qho inorganic compound nrog corrosion kuj zoo heev thiab tuaj yeem tiv thaiv kev tawm tsam ntawm ntau cov tshuaj, suav nrog acids, alkalis, hnyav, thiab roj. Qhov no ua rau PTFE seals zoo tagnrho rau cov ntawv thov tuav cov roj corrosive lossis kua dej.
- Tsis tshua muaj kev sib txhuam coefficient: PTFE yog cov khoom siv nrog kev sib txhuam coefficient tsawg heev, uas tso cai rau lub piston khob foob kom muaj kev sib txhuam tsawg tsawg thaum txav mus. Qhov no pab txo qis zog poob thiab tsim hluav taws xob, ua kom lub compressor ua haujlwm zoo dua.
- Zoo hnav tsis kam: PTFE seals muaj kev hnav zoo heev thiab tuaj yeem siv nyob rau hauv high-speed thiab high-pressure tej yam kev mob rau lub sij hawm ntev tsis tau yooj yim hnav. Qhov no ua rau lawv zoo heev hauv cov ntawv thov uas xav tau lub neej ntev thiab kev ntseeg siab.
- Kev ua tau zoo sealing: Roj-dawb cua compressor PTFE piston khob seals muaj kev sib khi zoo heev thiab tuaj yeem tiv thaiv roj los yog kua dej. Lawv muab lub foob zoo, ua kom muaj kev ua haujlwm zoo compressor thiab txo cov khoom siv hluav taws xob.
- Dav kub ntau yam: PTFE cov ntsaws ruaj ruaj muaj peev xwm ua haujlwm tshaj qhov kub ntau, nrog rau kev ua haujlwm zoo heev los ntawm qhov kub thiab txias mus rau qhov kub siab. Qhov no ua rau lawv haum rau kev siv ntau yam ntawm ib puag ncig.
- Self-lubricating: Nws muaj cov coefficient tsawg ntawm kev sib txhuam thiab kev sib txhuam zoo heev thiab hnav tsis kam, nrog rau thaum muaj kev sib txhuam qhuav. Nws tuaj yeem ua haujlwm nyob rau hauv cov xwm txheej uas cov roj tsis tuaj yeem siv, xws li nyob rau hauv qhov kub thiab txias ntawm cov kua hydrogen thiab kua oxygen.
- Shock absorption: Nws muaj qhov zoo ntawm kev poob siab thiab tshwj xeeb tshaj yog haum rau cov chaw uas xav tau suab nrov thiab kev co.
- Lub tshuab nqus tsev ua haujlwm tau zoo: Cov khoom siv roj tawm ntawm cov khoom siv polymer hauv lub tshuab nqus tsev yog qhov me dua li cov roj, yog li nws tuaj yeem siv tau zoo nyob rau hauv lub tshuab nqus tsev siab.
Siv tau tej yam kev ua haujlwm
PTFE piston khob seals yog tsim rau cov roj tsis muaj cua compressors nyob rau hauv ntau yam kev ua haujlwm, suav nrog tab sis tsis txwv rau cov xwm txheej hauv qab no:
■ Ib puag ncig qhov kub thiab txias: PTFE cov ntsaws ruaj ruaj muaj qhov kub thiab txias ua haujlwm zoo thiab tuaj yeem tswj kev ua haujlwm ruaj khov nyob rau hauv qhov kub thiab txias. Lawv tuaj yeem tiv taus qhov kub thiab txias thiab thermal voj voog yam tsis muaj softening, melting, los yog deforming, kom ntseeg tau tias muaj kev ruaj ntseg foob.
■ Cov kev ua haujlwm siab: Cov roj tsis muaj cua compressor PTFE piston khob cov ntsaws ruaj ruaj muaj qhov hnav tsis zoo thiab tshuaj lom neeg ruaj khov, thiab tuaj yeem siv rau hauv cov kev kub ntxhov rau lub sijhawm ntev yam tsis yooj yim rau hnav lossis ua tsis tiav. Lawv tuaj yeem tiv taus lub siab nyob rau hauv lub siab-siab chamber ntawm lub compressor thiab muab kev ruaj ntseg sealing kev ua tau zoo.
■ Corrosive media: Vim muaj tshuaj lom neeg ruaj khov ntawm PTFE, PTFE cov ntsaws ruaj ruaj tuaj yeem tiv taus yaig los ntawm cov tshuaj xws li acids, alkalis, thiab cov kuab tshuaj. Yog li ntawd, lawv tsim nyog rau daim ntawv thov tuav cov roj corrosive lossis kua, tswj kev sib khi, thiab tiv thaiv kev tawm mus.
■ Kev txav ceev ceev: Kev sib txhuam qis ntawm lub piston khob foob ua rau muaj kev sib txhuam tsawg dua nyob rau hauv kev kub ceev. Yog li ntawd, lawv yog cov tsim nyog rau high-speed rotating compressor piston systems thiab muaj peev xwm muab kev ruaj ntseg sealing teebmeem.
■ Ib puag ncig qhuav: Txij li cov roj tsis muaj cua compressors tsis xav tau cov roj lubricating, PTFE piston khob seals tuaj yeem ua haujlwm hauv qhov chaw qhuav. Qhov no ua rau lawv tsim nyog rau cov ntawv thov uas xav tau huab cua qhuav, xws li kev ua zaub mov, kev tsim hluav taws xob, thiab lwm yam.
Cov ntaub ntawv ntiag tug ntawm PTFE
| Lub cev muaj zog | Rating (Metric) | Kev ntsuas (Imperial) | Txoj Kev Xeem |
| Qhov ntom | 2. 14 - 2.18 g/cc | 0 0773 - 0.0788 lb/in³ | ASTM D 792 Cov Lus Qhia Tshwj Xeeb |
| Deformation | 7.0-9.0% @Pressure 13.7 MPa, Time 86400 sec |
7.0-9.0% @Pressure 1990 psi, Time 24.0 hours |
tom qab 24 teev so; ASTM D 621 Cov Lus Qhia |
| Mechanical Properties | Kev ntsuas (metric) | Ratings (Imperial) | Kev sim |
| Ntug Hardness (Shore D) | 51 - 60 | 51 - 60 | extruded; ASTM D 2240 Cov Lus Qhia |
| Tensile zog | >{{0}}.0 MPa | >= 2900 psi | extruded; ASTM D 4894 Cov Lus Qhia Tshwj Xeeb |
| Elongation (tawg) | >= 200 % | >= 200 % | extruded; ASTM D 4745 Cov Lus Qhia Tshwj Xeeb |
| Compressive yield zog | 4. 00 - 5 00 MPa @Strain 1.00 % |
580-725 psi @Strain 1.00 % |
ASTM D 695 Cov khoom siv |
| Dynamic kev sib txhuam coefficient | 0.060 | 0.060 | ASTM D 1894 Cov Lus Qhia |
| Cov khoom hluav taws xob | Ratings (Metric) | Ratings (Imperial) | Kev sim |
| Dielectric zog | >{{0}}.0 kV/mm | >= 508 kV/in | hauv huab cua, extruded; ASTM D 149 Cov |
| Thermal Performance | Rating (Metric) | Kev ntsuas (Imperial) | Txoj Kev Xeem |
| Coefficient ntawm Linear Thermal Expansion | 120 - 130 µm/m- degree | 66.7 - 72.2 µin/in-degree F | ASTM D 696, ASTM D696 |
| Kev khiav hauj lwm kub siab tshaj plaws, Cua | 260 degree | 500 degree F | |
| Yam tsawg kawg nkaus ua haujlwm kub, Cua | -200 degree | -328 degree F |
* Kev ceeb toom tshwj xeeb, yog tias koj xav tau cov khoom foob no, thov muab cov duab kos rau peb kom peb tuaj yeem muab kev pab zoo dua rau koj.
Cim npe nrov: ptfe piston khob seals, Tuam Tshoj roj-dawb cua compressor ptfe piston khob seals manufacturers, lwm tus, Hoobkas
