Hoʻopau Stub- E hoʻohana no nā hui Flange

He aha ka ahope ʻōpuʻua no ke aha e hoʻohana ʻia ai?ʻO nā wēlau o ka ʻāʻī, he mau mea hoʻoheheʻe buttweld hiki ke hoʻohana ʻia (i hui pū ʻia me kahi flange hui pūhaka) ma kahi ʻē aʻe i ke kuʻi ʻana i nā ʻāʻī ʻāʻī e hana i nā pili flanged.ʻO ka hoʻohana ʻana i nā stub ends he ʻelua mau mea maikaʻi: hiki iā ia ke hōʻemi i ke kumukūʻai holoʻokoʻa o nā hui flanged no nā ʻōnaehana paipu i nā pae kiʻekiʻe (no ka mea, ʻaʻole pono ka flange hui puʻupuʻu i nā mea like o ka paipu a me ka hopena stub akā hiki ke he papa haʻahaʻa);e wikiwiki ana i ke kaʻina hana, no ka mea, hiki ke hoʻololi ʻia ka flange hui puʻupuʻu e hoʻomaʻamaʻa i ka alignment o nā puka bolt.Loaʻa nā stub ma ke ʻano pōkole a lōʻihi (ASA a me MSS stub ends), ma ka nui a hiki i 80 iniha.

NA ANO HOPE STUB

Loaʻa nā ʻāpana stub i ʻekolu ʻano like ʻole, i kapa ʻia ʻo "Type A", "Type B" a me "Type C":

• Hana ʻia ka ʻano mua (A) a hana ʻia e like me ka flange back joint maʻamau (pono e hoʻohana ʻia nā huahana ʻelua).He ʻano like ko nā ʻili pili e ʻae i ka hoʻouka ʻana o ka maka lapalapa
• Pono e hoʻohana ʻia ke ʻano B o nā ʻōpala me nā lehelehe paheʻe maʻamau
• Hiki ke hoʻohana ʻia nā stub type C me ka hui pū ʻana a i ʻole nā ​​flanges slip-on a ua hana ʻia mai nā paipu.

HOʻOPIʻI KA PALAPALA POKO/LOA (ASA/MSS)

Loaʻa nā ʻāpana stub i ʻelua mau ʻano like ʻole:

• ke kumu pōkole, i kapa ʻia ʻo MSS-A stub ends
• ke kumu lōʻihi, i kapa ʻia ʻo ASA-A stub ends (a i ʻole ANSI long stub end)