NORTECHis daya daga cikin manyan masu fada a ji a ChinaBawul ɗin Duniya Mai ƙera & Mai Kaya.

Bawul ɗin rufewa yana nufin ƙofar kalma inda ɓangaren rufewa (faɗin lanƙwasa) ke motsawa tare da layin tsakiya na wurin zama na bawul. Dangane da wannan nau'in motsi na faifan bawul, canjin tashar wurin zama na bawul yana daidai da bugun bawul. Tunda bugun buɗewa ko rufewa na tushen bawul na wannan nau'in bawul ɗin ya yi gajere kaɗan,
Bugu da ƙari, yana da ingantaccen aikin yankewa, kuma saboda canjin tashar wurin zama na bawul yana daidai da bugun faifan bawul, ya dace sosai don daidaita kwararar ruwa. Saboda haka, wannan nau'in bawul ɗin rufewa ya dace sosai don amfani azaman rufewa ko daidaitawa da matsewa.
Babban fa'idar bawul ɗin duniya ita ce, a cikin tsarin buɗewa da rufewa, gogayya tsakanin faffadan lanƙwasa da kuma faɗin saman rufewa ya fi ƙanƙanta fiye da na bawul ɗin ƙofar, don haka yana da juriya ga lalacewa. Tsawon buɗewa gabaɗaya shine 1/4 kawai na diamita na hanyar wurin zama na bawul, don haka ya fi ƙanƙanta fiye da bawul ɗin ƙofar.
Yawanci akwai saman rufewa ɗaya kawai a jikin bawul ɗin da faifan bawul ɗin tsayawa, don haka tsarin kera bawul ɗin tsayawa yana da kyau, kuma bawul ɗin tsayawa yana da sauƙin kulawa. Matsayin matsin lamba ko matsin lamba na bawul ɗin duniya: PN1.0-16.0MPa, ANSI CLASS150-900, JIS
10-20K, diamita ko ma'aunin da aka ƙayyade: DN10~500, NPS1/2-36, hanyar haɗin bawul ɗin tsayawa: flange, welding butt, zare, da sauransu, zafin da ya dace: -1969℃-700℃,
Yanayin tuƙi: manual, bevel gear drive, pneumatic, lantarki, hydraulic, gas-liquid linkage, electro-hydraulic linkage,
Kayan jiki masu faɗi: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mо2Ti, CF8 (304), CF3 (304L), CF8M (316), CF3M (316L), Ti,
Ana amfani da kayan aiki daban-daban don daidaita yankewa, wanda za'a iya amfani da shi ga kafofin watsa labarai daban-daban kamar ruwa, tururi, mai, nitric acid, acetic acid, oxidizing medium, urea, da sauransu.