Xov xwm

Kev tsim cov txheej txheem ntawm stainless hlau manhole npog yog raws li nram no:

Thaum txhim kho cov txiv ntseej ntawm lub hau npog, siv lub zog sib npaug hauv cov khub, diagonally, txhawm rau tiv thaiv cov roj tawm los ntawm lu...

Raws li kev ua haujlwm siab, lawv tuaj yeem muab faib ua atmospheric siab manholes thiab siab manholes, xws li atmospheric siab manholes nrog kev u...

Stainless hlau manhole yog ib qho kev nyab xeeb thaum muaj xwm ceev venting ntaus ntawv ntsia rau saum lub tank cia. Nws feem ntau yog siv ua ke nr...

Recessed manhole npog tsis yog yooj yim "hlau hau"; lawv zoo li "Transformers" - tiaj tus rau hauv av thaum tsis siv, thiab ceev qhib thaum xav tau.

Xaiv lub npog manhole zoo li yuav khau; qhov zoo haum yog qhov tseem ceeb tshaj plaws:

Manhole npog zoo li "qhov rooj" rau cov kav dej hauv av, thiab lawv qhov loj me cuam tshuam ncaj qha rau lawv qhov kev siv tau. Qhov loj me me tuaj...

Thaum npaj manhole npog ntawm lub lawj, lawv feem ntau yuav tsum tau nyob ze rau ntawm lub hauv paus bulkhead, nrog lub axis ntev ntawm lub manhole...

Cov phaj npog, ib puag ncig phaj, thiab lub nplhaib lub rooj zaum ntawm lub hau npog feem ntau yog ua los ntawm kub -rolled carbon steel los yog co...

Lub npog manhole yog ib qho khoom siv sib khi siv rau ntawm cov nkoj los kaw cov manholes. Raws li cov txheej txheem installation, nws muab faib ua...

Ib leeg-cov lim dej yog siv dav hauv roj thiab lubricating roj kav dej ntawm ntau hom nkoj ua haujlwm ntawm qhov kub tsawg dua lossis sib npaug li ...

Ib leeg -cov lim dej sawv cev rau cov txheej txheem pom yooj yim, muab kev pom zoo ua haujlwm.