Amavalvu epulasitikizisetshenziswa emikhakheni eminingi ekuthuthukisweni kwezimboni ezweni lami, futhi imikhiqizo yepulasitiki embonini yamakhemikhali nokuvikelwa kwemvelo iyaziswa kakhulu. Kushiwo ngokusobala ukuthi ijubane lentuthuko lidinga ukusheshiswa, futhi lidonse ukunaka okukhulu eminyangweni kazwelonke, lidinga amapulasitiki obunjiniyela bezwe lami ukuze asheshise intuthuko. Ngakho-ke, ochwepheshe bemboni babikezela ukuthi imboni yepulasitiki yezwe lami izobhekana nentuthuko kuzo zonke izici, ikakhulukazi ekuthuthukisweni kwemikhiqizo yepulasitiki yobunjiniyela. Ukuthuthukisa ikhono lokusungula izinto ezintsha elizimele lemboni yokucubungula amapulasitiki, ukuthandwa kwezinto ezintsha, ubuchwepheshe obusha, imishini emisha kanye nemikhiqizo emisha sekuye kwaba yinto eza kuqala.

Amavalvu ebhola epulasitiki,amavalvu ebhabhathanefuthiama-valve okuhlolaziyimikhiqizo ebalulekile emndenini wama-valve, ikakhulukazi ngoba la ma-valve enziwe ngepulasitiki yobunjiniyela, ngakho-ke kokubili ngokusebenza kanye nokusebenza kahle, anezinzuzo ezithile. Izinga lokusetshenziswa kwamanje kwama-valve epulasitiki ezweni lakithi Njengoba kukhuphuka unyaka nonyaka, izinkampani eziningi seziqalile ukuthenga ama-valve epulasitiki, kanti ezinye izinkampani zama-valve zakwamanye amazwe zihlasela imakethe enkulu yezwe lami, zikhombisa ukuthambekela kokuqhakaza yonke indawo ezweni.

Amavalvu ebhola lepulasitiki, amavalvu ebhabhathane kanye namavalvu okuhlola abaluleke kakhulu kwamanye amaphrojekthi okuvikela amakhemikhali kanye nemvelo. Ngenxa yokusebenza okuphezulu kwamavalvu epulasitiki, angahlangabezana nezidingo zephrojekthi kangcono kunezinye amavalvu ensimbi engagqwali, ngoba amavalvu epulasitiki anesisindo esincane, kulula ukuwafaka, futhi angabizi kakhulu. Angabizi kakhulu futhi angagwema ngokuphumelelayo inkinga yokuvuza, futhi umthamo wevalvu yepulasitiki mncane kakhulu, isikhala saphansi naso sincane, kulula kakhulu ekuthuthweni nasekufakweni, futhi ukuhlukaniswa nokugcinwa kulula kakhulu. Ngakho-ke, amathuba okusebenzisa amavalvu epulasitiki kwezobunjiniyela Amathuba ayakhula futhi abe makhulu futhi abe nethemba.

Namuhla, izwe lami seliyinkampani enkulu ekhiqiza, ethenga futhi ethumela kwamanye amazwe imikhiqizo yepulasitiki emhlabeni. Abanye abahlaziyi bathi njengoba ubuchwepheshe bokusebenzisa amalahle kuya ku-olefin buvuthwa futhi busetshenziswa kabanzi, imikhiqizo yepulasitiki ithatha indawo yensimbi kancane kancane, ingilazi, amapayipi amakhemikhali, amavalvu kanye neminye imboni iyamukelwa, ipulasitiki esekelwe ku-bio kanye neminye ebolayo futhi ezinye izinto ezintsha seziqala ukutshalwa.

Esikhathini esizayo, intuthuko yemboni yepulasitiki izoncika emandleni ebhizinisi ngokwalo ngakolunye uhlangothi, kanti ngakolunye uhlangothi izoncika emandleni ezinkampani eziqoqwe ndawonye. Yonke imboni yamakhemikhali yokuvikela imvelo izoba yimbangela yokuthuthukiswa kwemboni yepulasitiki. Abakhiqizi badinga ukuthuthukisa amandla abo obuchwepheshe futhi bathuthukise njalo ikhwalithi yemikhiqizo yabo ngenkathi benciphisa izindleko, ukuze uhlobo lwabo lwe-valve yepulasitiki lukwazi ukuhola indlela endaweni yamagagasi amakhulu nesihlabathi.