Plastic pob li qub, raws li cov khoom tseem ceeb hauv kev tswj cov kav dej, tau siv dav hauv ntau yam xws li kev kho dej, tshuaj engineering, zaub mov thiab tshuaj. Kev xaiv kom raug ntawm tus qauv yuav tsum tau xav txog ntau yam xws li cov khoom siv, txoj kev sib txuas, kev ntsuas siab, qhov kub thiab txias, thiab lwm yam. Cov lus qhia no yuav ua kom paub cov ntsiab lus tseem ceeb rau kev xaiv.yas pob li qub, pab koj xaiv qhov tsim nyog.
Kev faib tawm yooj yim thiab cov qauv rau cov yas pob li qub
1. Txoj kev faib loj
Plastic pob li qub tuaj yeem raug cais raws li cov qauv sib txawv:
(a) Los ntawm txoj kev sib txuas:
Flangeyas pob valve: haum rau loj-inch pipeline systems
Threaded yas pob valve: feem ntau siv rau cov kav dej me me
Qhov (socket) yas pob valve: yooj yim rau nruab sai sai
Ob chav tsav yas pob valve: yooj yim rau disassemble thiab tswj
(b) Los ntawm kev tsav tsheb:
Kev tuav pob valve: kev lag luam thiab siv tau
Pneumatic pob valve: automated tswj
Hluav taws xob pob valve: kev hloov kho meej
(c) Los ntawm cov khoom:
UPVC pob valve: haum rau kev kho dej
PP pob valve: Khoom noj khoom haus thiab tshuaj kev lag luam
PVDF pob valve: Muaj zog corrosive nruab nrab
CPVC pob valve: Kub kub ib puag ncig
2. Lub teb chaws tus qauv thiab specifications
Cov qauv tseem ceeb rauyas pob li qubnyob rau hauv Suav teb yog raws li nram no:
GB / T 18742.2-2002: Yas pob li qub haum rau DN15 ~ DN400, ntsuas siab PN1.6 ~ PN16
GB / T 37842-2019 "Thermoplastic Ball Valves": Tsim nyog rau cov thermoplastic pob li qub xws li DN8 txog DN150 thiab PN0.6 txog PN2.5
3. Kev xaiv cov khoom sib khi
EPDM ternary ethylene propylene roj hmab: acid thiab alkali resistant, kub ntau -10 ℃ ~ + 60 ℃
FKM fluororubber: hnyav resistant, kub ntau -20 ℃ ~ + 95 ℃
PTFE polytetrafluoroethylene: tiv taus corrosion, kub ntau -40 ℃ to + 140 ℃
Post lub sij hawm: Lub Xya hli ntuj-22-2025