Valavu ya mpira

Ma Vanive a mpira amagwiritsidwa ntchito makamaka m'mapaini ena ochepa, kudzera pakugwiritsa ntchito valavu ya mpira kuti alumikizane kapena kudula mapaipi sing'anga. Ndipo amagwiritsidwa ntchito kwambiri ku Petroleum, mankhwala, mafuta achilengedwe, magetsi, ma mechi, chakudya, mankhwala ogulitsa ndi zina zofunika kudula

1. Njira yoyesera: API 6D ndi API 598.

2. Kuyesa sing'anga: madzi kapena gasi.

1. Zidutswa ziwiri zidutswa, kapangidwe koyandama ya mpira, kapangidwe kake, zopepuka, komanso zosavuta kusonkhana.

2. Chisindikizo cha zitsulo chokhala ndi "O" mphete yosindikiza, yosavuta kukhazikitsa, kugwirizira bwino.

3. Thupi la valavu, mpira ndi tsinde kutengera zida zopeweka, ndipo mpando wa Vesi umapangidwa ndi zitsulo zofewa (monga Ptfe, RPTF, etc.), zomwe zimadalira mpandowo kuti mukanikizire mpandowo kuti ukwaniritse chipilala chodalirika.

4. Anti-brace Valavu, kapangidwe kake ndi kapangidwe kamoto.

5. Valavuyo ili ndi padlock ndi chotseguka / pafupi ndi chipangizo chowoneka bwino.

6. Malinga ndi zomwe zikugwira ntchito, zamkati zitha kujambulidwa ndi zinthu zosagonjetsedwa ndi chipongwe kuti zithandizire kuchepetsa ndalama zopanga ndikuwonjezera moyo wa Valasi.