Hoʻokaʻawale ʻia ka nui nominal a me ka nominal pressure valves e like me nā kumu hana

Hoʻokaʻawale ʻia ka nui nominal a me ka nominal pressure valves e like me nā kumu hana

ʻO ka nui inoa DN ka nui helu o nā lako paipu a pau i loko o kahi ʻōnaehana paipu e ʻike ai i kēlā mau ʻāpana i hōʻike ʻia e ke kaula a i ʻole ke anawaena o waho. ʻO ke anawaena inoa he helu pōʻai i hoʻohana ʻia ma ke ʻano he kuhikuhi a ʻaʻole like me ka nui mīkini. ʻO PN kahi hōʻailona helu e pili ana i ke kaomi. He helu poepoe kupono ia no ka hoike. ʻO nā paipu paipu a pau me ke anawaena inoa like DN i hōʻike ʻia e ke kaomi inoa like P a me ka waiwai e like ka nui pili e like me ke ʻano pili hope.
Anawaena inoa inoa
ʻO ka nui inoa DN ka nui helu o nā lako paipu a pau i loko o kahi ʻōnaehana paipu e ʻike ai i kēlā mau ʻāpana i hōʻike ʻia e ke kaula a i ʻole ke anawaena o waho. ʻO ke anawaena inoa he helu pōʻai i hoʻohana ʻia ma ke ʻano he kuhikuhi a ʻaʻole like me ka nui mīkini.
Hōʻailona ʻia nā nui inoa me ka huaʻōlelo "DN" a ukali ʻia e kahi hōʻailona helu. Inā he 250mm ke anawaena inoa, pono e kaha ʻia ʻo DN250. Hōʻike ʻia ka nui o nā kiwi ma ka Papa 1-44.
Pākuʻi 1-44 ʻO ka nui o ka nui o ka pahu pahu (GB/T1047-1995) (mm)
Hoʻomaopopo: hoʻohana mau ʻia nā huaʻōlelo wiwo ʻole i ka papaʻaina i nā nui inoa.
Pumi inoa
ʻO PN kahi hōʻailona helu e pili ana i ke kaomi. He helu poepoe kupono ia no ka hoike. ʻO nā paipu paipu a pau me ke anawaena inoa like DN i hōʻike ʻia e ke kaomi inoa like P a me ka waiwai e like ka nui pili e like me ke ʻano pili hope.
Ma Kina, i ka wā e hoʻokomo ʻia ai ke kaomi nominal, no ka maopopo ʻana, hāʻawi ʻia ka ʻāpana o ke ana ma ke ʻano he "MPa".
Ma Beretania, ʻAmelika Hui Pū ʻIa a me nā ʻāina ʻē aʻe, ʻoiai ua hoʻokomo ʻia ka manaʻo o ke kaomi nominal i nā kūlana kūpono, akā ʻo ka hoʻohana maoli ʻana o ka ʻōnaehana Pelekane ʻo ia ka >
Aia kekahi ʻōnaehana papa "K" ma nā kūlana Iapana, e like me 10K,20K,40K, a me nā mea ʻē aʻe. Ua like ka manaʻo o ka pae kaomi me ka ʻōnaehana pae kaomi ma ka ʻōnaehana Pelekane, akā ʻo ka ʻāpana o ke ana he metric. Hōʻike ʻia ka pilina ma waena o ka pae "K" a me ka pae kaomi ma ka Papa 1-46.
Hōʻike ʻia nā pūʻulu kaomi inoa o nā kiwi ma ka Papa 1-47
Papa 1-45 >
Papa 1-46 “K” papa a me >
Papa 1-47 Nominal pressure series of valves
(GB/T1048 1990)
Hoʻokaʻawale ʻia nā pahu i ka valve puka, ka valve butterfly, rotary valve, globe valve, check valve, safety valve, pressure reduce valve, steam trap, diaphragm valve, multi-purpose valve a pēlā aku. Hiki ke hoʻokaʻawale ʻia nā ʻīpuka ʻīpuka i loko o nā ʻīpuka wīwī, nā ʻīpuka hoʻokiʻekiʻe koʻokoʻo, nā ʻīpuka ʻīpuka rotary rod, nā ʻīpuka wehe wikiwiki a me ka pani ʻana i nā ʻīpuka, nā kiwi puka ʻoki a me nā kiwi ʻē aʻe, e ʻike i ka papa ma lalo no nā kikoʻī.
Hoʻokaʻawale ʻia nā valve e like me nā kumu hana
Hoʻokaʻawale ʻia nā pahu i loko o: ʻīpuka kīwaha, kīwaha butterfly, kīwaha rotary, kīwī honua, ʻike valve, valve palekana, kaomi hoʻemi hoʻohaʻahaʻa ʻana, ka pahu mahu, ka valve diaphragm, ka valve multi-purpose a pēlā aku. Hiki ke hoʻokaʻawale ʻia nā ʻīpuka ʻīpuka i loko o nā ʻīpuka wīwī, nā ʻīpuka hoʻokiʻekiʻe koʻokoʻo, nā ʻīpuka ʻīpuka rotary rod, nā ʻīpuka wehe wikiwiki a me ka pani ʻana i nā ʻīpuka, nā kiwi puka ʻoki a me nā kiwi ʻē aʻe, e ʻike i ka papa ma lalo no nā kikoʻī.
ʻO ka puka pāpaʻi hoʻokahi pahu pāpaʻi pāpaʻi pāpaʻi pāpaʻi pāpaʻi pāpaʻi pāpaʻi pāpaʻi pāpaʻi hiki ke hoʻokiʻekiʻe i ka ʻīpuka hiki ke hoʻokiʻekiʻe ʻia ka ʻīpuka hiki ke hoʻokiʻekiʻe ʻia ka ʻīpuka hiki ke hoʻololi ʻia me ka puka alakaʻi kahe me ka puka hoʻololi ʻole me ka hoʻololi ʻana. lua e like ana me ke kookoo kaawili ole Kong Shuang plate lifting lever lever lifting lever me ka puka alakai kahe me ka puka alakai kahe me ka puka hoolele kookoo wiliwili kookoo me ke alakai kahe puka me ka puka alakai kahe me ka puka ala ole ka pahu pahu laina waena o ka pahu o ka lele lele lua. triple eccentric butterfly valve lana pōpō pahu paʻa pōlele paʻa paʻa pōleʻa pōleʻa pōleʻa pōleʻa pahu puʻupuʻu puʻupuʻu puʻupuʻu kaulike ʻano plug paʻa ʻano plug packing type plug valve self-sealing plug valve oil seal type plug valve globe valve ʻO ka pāpaʻi poʻo poʻo poʻo poʻo poʻo poʻo poʻo poʻo poʻo poʻo poʻo kihi koʻikoʻi ʻEkolu-ʻaoʻao poʻo poʻomanaʻo holo pololei pāpaʻi poʻo poʻo plunger globe valve needle globe valve check valve Swing check valve hoʻokahi swing check valve double disc swing check valve lift check valve ma ka hope o ka pahu puna haawe. lift check valve spring load circular disc lift check valve annular flow more shuttle lift check valve check valve butterfly check valve veneer butterfly check valve pipeline double plate butterfly check valve check valve nozzle type check valve ea exhaust check valve slow close check valve diaphragm type check valve cone Poʻe pōʻaiapili kiʻiʻoniʻoni type check valve diaphragm type check valve ball check valves single ball check valve ball check valves and weight safety valve relief valve spring safety valve micro impulse safety valve and safety valve a me nā pahu hopu palekana a pau i hoʻopaʻa pihaʻia. pahu hoʻomaha wehe i ka pahu hoʻomaha hoʻohaʻahaʻa ʻano piston ʻano kaomi hoʻohaʻahaʻa valve diaphragm kaomi hoʻohaʻahaʻa ʻana i ka valve gas bag type pressure reducing valve steam trap. ʻike ʻia i lalo float type steam trap wela static type steam trap bellows type steam trap bellows trap double metal plate type steam trap thermodynamic steam trap disc type pulse type steam trap Labyrinth or hole plate steam trap diaphragm valve globe diaphragm valve roof diaphragm valve disc diaphragm kiwi kiwi kiwi kiwi kiwi kiwi kiwi kiwipa kiwipa kiwipa kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi kiwiwi awiwiwi awiwiwi awiwiwi awiewie