Ka nui a me ke kaomi ʻana a me ke kūlana | |
Nui | DN40-DN1800 |
Paʻi Paʻi | Papa125B, Papa150B, Papa250B |
He alo a he alo STD | AWWA C504 |
Hoʻohui STD | ANSI/AWWA A21.11/C111 Flanged ANSI Papa 125 |
STD Flange luna | ISO 5211 |
Mea waiwai | |
Kino | Steel Carbon, Ke kila kila |
Disc | ʻO ka hao hao, ka hao ʻole |
Puʻu/ʻau | SS416, SS431, SS |
Noho | Ke kila kila me ka wiliwili |
ʻO ke kuʻi ʻana | PTFE, keleawe |
E ke apo | NBR, EPDM |
Mea hoʻokō | Lever lima, pahu pahu, mea hana uila, mea hana Pneumatic |
ʻO ka pahu wafer butterfly valve hana kiʻekiʻe he kiwi hana no ka mana kahe pololei.
1. ʻO ka hana ʻana o ke kino valve ʻano Wafer e hōʻemi i nā koi a me ka manawa hoʻokomo.
2. ʻO nā kiʻi wafer butterfly kiʻekiʻe ka hana maʻamau i nā mea e like me ke kila kila, ke kila kalapona a i ʻole nā mea hoʻoheheʻe pale ʻē aʻe e hōʻoia i ka pale ʻana i ka corrosion a me ka pale wela kiʻekiʻe.
3. ʻO ka noho valve o ka valve butterfly hana kiʻekiʻe ka ʻokoʻa nui loa mai ka valve eccentric butterfly valve maʻamau.
4. Ke hoʻopaʻa ʻana i ka bidirectional: Hāʻawi nā kiʻekiʻe kiʻekiʻe o ka butterfly valves i ka sila bidirectional, hiki ke hoʻopaʻa pono i nā ʻaoʻao kahe ʻelua.