
ʻO API 594 kahi kūlana maʻamau o ka American Petroleum Institute e uhi ana i ka hoʻolālā, nā mea hana, nā ana, ka hoʻāʻo ʻana, a me ka nānā ʻana i nā valves nānā. Ma ke ʻano kūikawā, ke kālele nei ia i nā kikoʻī no nā valves nānā pālua, i ʻike ʻia hoʻi he mau valves nānā wafer, i hoʻohana nui ʻia ma nā ʻoihana like ʻole me ka ʻaila a me ke kinoea, ka petrochemical, a me ka hoʻomaʻemaʻe ʻana. Hoʻākāka ka maʻamau API 594 i nā koi no nā valves nānā pālua e pili ana i kā lākou kūkulu ʻana, nā helu wela-paʻa, nā mea hana, ka hōʻoia hoʻolālā, a me nā kaʻina hana hoʻāʻo. Hōʻoia kēia kūlana e hoʻokō nā valves i kekahi mau pae hana a me ka palekana no nā noi e pili ana i ka pale ʻana i ke kahe hoʻohuli. ʻO nā hiʻohiʻona koʻikoʻi o nā valves nānā pālua i hana ʻia e nā kūlana API 594 e komo pū me kahi hoʻolālā ʻano wafer, nā papa puna, a me kahi kūkulu māmā a paʻa i kūpono no ka hoʻokomo ʻana ma waena o nā flanges. Makemake pinepine ʻia kēia mau valves no ko lākou emi haʻahaʻa haʻahaʻa, ka sila hilinaʻi, a me ka maʻalahi o ke kau ʻana a me ka mālama ʻana. Inā he mau nīnau kikoʻī kāu e pili ana i nā valves nānā pālua i hana ʻia e nā kūlana API 594 a i ʻole makemake i nā kikoʻī hou aku e pili ana i kā lākou kikoʻī, nā mea hana, a i ʻole nā koi hoʻāʻo, e ʻoluʻolu e noi no ka ʻike hou aku.
1. pōkole ka lōʻihi o ke kūkulu ʻana, ʻo kona lōʻihi o ke kūkulu ʻana he 1/4 wale nō i ka 1/8 o ka valve hōʻoia flange kuʻuna
2. liʻiliʻi ka nui, māmā ke kaumaha, ʻo kona kaumaha he 1/4 wale nō i ka 1/20 o ka kiwikā pani lohi micro kuʻuna
3. pani koke ka diski o ka valve nānā clamp, a liʻiliʻi ke kaomi hāmare wai
4. hiki ke hoʻohana ʻia ka paipu ākea a kū pololei paha no ka valve check valve, maʻalahi ke hoʻouka
5. he laumania ke ala kahe o ka valve nānā clamp, he liʻiliʻi ke kūpaʻa wai
6. hana koʻikoʻi, hana sila maikaʻi
7. pōkole ka hahau ʻana o ka disc, liʻiliʻi ka hopena o ka pani ʻana o ka valve check clamping
8. ke ʻano holoʻokoʻa, maʻalahi a paʻa, nani ke ʻano
9. ola lawelawe lōʻihi, hilinaʻi kiʻekiʻe
I ka wā o ke kaʻina hana wehe a pani ʻana o ka valve poepoe kila i hoʻoheheʻe ʻia, no ka mea, ʻoi aku ka liʻiliʻi o ka friction ma waena o ka disc a me ka ʻili sila o ke kino valve ma mua o ka valve puka, he kūpaʻa ia i ke komo ʻana.
He pōkole iki ka wehe ʻana a i ʻole ka pani ʻana o ke kumu valve, a he hana ʻoki hilinaʻi loa ia, a no ka mea ua kūlike ka loli o ka puka noho valve me ka hahau ʻana o ka disc valve, kūpono loa ia no ka hoʻoponopono ʻana i ka nui o ke kahe. No laila, kūpono loa kēia ʻano valve no ka ʻoki ʻana a i ʻole ka hoʻoponopono ʻana a me ka throttling.
| Huahana | API 594 Pālua Papa Nānā Valve |
| Anawaena inoa | NPS 1/2”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 3”, 4”, 6”, 8”, 10”, 12”, 14”, 16”, 18”, 20” 24”, 28”, 32”, 36”, 40”, 48” |
| Anawaena inoa | Papa 900, 1500, 2500. |
| Hoʻopau i ka pilina | Flanged (RF, RTJ, FF), Welded. |
| Hana | Hāmare Kaumaha, ʻAʻohe |
| Nā Mea Hana | A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A, Alloy 20, Monel, Inconel, Hastelloy, Aluminum Bronze a me nā mea hoʻohui kūikawā ʻē aʻe. |
| A105, LF2, F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy | |
| ʻAno | Uhi i hoʻopaʻa ʻia, Uhi Sila Kaomi |
| Hoʻolālā a me ka Mea Hana | API 6D |
| Maka i ka maka | ASME B16.10 |
| Hoʻopau i ka pilina | ASME B16.5 (RF & RTJ) |
| ASME B16.25 (BW) | |
| Hoʻāʻo a me ka Nānā ʻana | API 598 |
| ʻĒ aʻe | NACE MR-0175, NACE MR-0103, ISO 15848, API624 |
| Loaʻa pū kekahi no kēlā me kēia | PT, UT, RT, MT. |
Ma ke ʻano he ʻoihana API 594 Dual Plate Check Valve a me ka mea hoʻopuka, ke hoʻohiki nei mākou e hāʻawi i nā mea kūʻai aku me ka lawelawe ma hope o ke kūʻai aku kiʻekiʻe, me kēia mau mea:
1. Hāʻawi i ke alakaʻi no ka hoʻohana ʻana i ka huahana a me nā manaʻo mālama.
2. No nā hemahema i hoʻokumu ʻia e nā pilikia maikaʻi o ka huahana, ke hoʻohiki nei mākou e hāʻawi i ke kākoʻo loea a me ka hoʻoponopono pilikia i loko o ka manawa pōkole loa.
3. Ma waho aʻe o nā pohō i hana ʻia e ka hoʻohana maʻamau, hāʻawi mākou i nā lawelawe hoʻoponopono a me ka hoʻololi manuahi.
4. Hoʻohiki mākou e pane koke i nā pono lawelawe mea kūʻai aku i ka wā o ka palapala hoʻokō huahana.
5. Hāʻawi mākou i ke kākoʻo loea lōʻihi, nā lawelawe kūkākūkā pūnaewele a me nā lawelawe hoʻomaʻamaʻa. ʻO kā mākou pahuhopu ka hāʻawi ʻana i nā mea kūʻai aku i ka ʻike lawelawe maikaʻi loa a hoʻolilo i ka ʻike o nā mea kūʻai aku i mea ʻoluʻolu a maʻalahi hoʻi.