Takiwa kuwaha Ka whakamahia ki te kati i te rere o te wai, kaua ki te whakahaere i te rere.Ka tino tuwhera, karekau he arai i te ara rere o te keeti angamaheni, ka iti rawa te rere o te rere resistance.The rahi o te ara rere tuwhera te tikanga rerekē i roto i te nonlinear tikanga rite neke te kuwaha.Ko te tikanga karekau e rereke te rere o te rere ki nga haerenga kakau.I runga i te hanganga, ka wiri te kuaha kua tuwhera mai i te rere o te wai.
Nga waahanga hoahoa
- Te Tiu o waho me te Ioka(OS&Y)
- E rua nga waahanga whakatiaro i a koe ki te tarapi repe
- Potae kua tutakina me te peera torino-whiu
- Te nohoanga o muri
Whakatakotoranga
- Hoahoa Taketake: API 602, ANSI B16.34
- Mutu ki te Whakamutunga: DHV Paerewa
- Whakamātautau & Tirotiro: API-598
- Nga Whakamutunga Whakawhiti (NPT) ki ANSI/ASME B1.20.1
- Ka mutu te whakapiri i te turanga ki te ASME B16.11
- Ka mutu ki te ASME B16.25
- Whakamutunga Flange: ANSI B16.5
Āhuatanga Kōwhiringa
- Maa maitai, Alloy Steel, Kowiri tira
- Tauranga Katoa, Tauranga Tonu ranei
- Kakau Toroa, i raro ranei i te hiri
- Potae paiherea, Potae Hiri Hiri ranei
- Maukati Pūrere ina tono
- Te hanga ki te NACE MR0175 i runga i te tono
Tuhituhi Hua
Paerewa Tono
1.Hoahoa me te hanga kia rite ki te API 602,BS5352,ANSI B 16.34
2.Ka mutu te hononga ki:
1) He rite te rahi o te poupou ki te ANSI B 16.11 ,JB/T 1751
2) He rite te rahinga o nga pito pito ki te ANSI B 1.20.1, JB/T 7306
3)Kua rite ki te ANSI B16.25,JB/T12224
4)Whakaritea nga pito kopa ki ANSI B 16.5,JB79
3. Ka rite te whakamatautau me te tirotiro ki:
1)API 598,GB/T 13927,JB/T9092
4.Whakaahuatanga:
He potae raka, he wiri o waho me te ioka
Potae paiherea, i waho i nga papa me te ioka
5.Materials rite ki ANSI/ASTM
6.Rauemi matua:
A105,LF2,F5,F11,F22,304(L),316(L),F347,F321,F51,Monel,20Alloy
waro maitai Temperature-Pēhanga tere
CL150-285 PSI@ 100°F
CL300-740 PSI@ 100°F
CL600-1480 PSI@ 100°F
CL800-1975 PSI@ 100°F
CL1500-3705 PSI@ 100°F
Rarangi Rawa Wahi Matua
| NO | Ingoa Wāhanga | A105/F6a | A105/F6a HFS | LF2/304 | F11/F6AHF | F304(L) | F316(L) | F51 |
| 1 | Tinana | A105 | A105 | LF2 | F11 | F304(L) | F316(L) | F51 |
| 2 | Noho | 410 | 410HF | 304 | 410HF | 304(L) | 316(L) | F51 |
| 3 | Porowhita | F6a | F6a | F304 | F6aHF | F304(L) | F306(L) | F51 |
| 4 | Kakau | 410 | 410 | 304 | 410 | 304(L) | 316(L) | F51 |
| 5 | Puka | 304+Kawhata Hangarau | 304+Kawhata Hangarau | 304+Kawhata Hangarau | 304+Kawhata Hangarau | 304+Kawhata Hangarau | 316+Kawhata Hangarau | 316+Kawhata Hangarau |
| 6 | Potae | A105 | A105 | LF2 | F11 | F304(L) | F316(L) | F51 |
| 7 | Kati | B7 | b7 | L7 | B16 | B8(M) | B8(M) | B8(M) |
| 8 | Pin | 410 | 410 | 410 | 410 | 304 | 304 | 304 |
| 9 | repe | 410 | 410 | 304 | 410 | 304 | 316 | F51 |
| 10 | Te kanohi repe | B7 | B7 | L7 | B16 | B8M | B8M | B8M |
| 11 | Karekau | A105 | A105 | LF2 | F11 | F304 | F304 | F304 |
| 12 | Nati Hex | 2H | 2H | 2H | 2H | 8M | 8M | 8M |
| 13 | Nati kakau | 410 | 410 | 410 | 410 | 410 | 410 | 410 |
| 14 | Nati maukati | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| 15 | Papa ingoa | AL | AL | AL | AL | AL | AL | AL |
| 16 | Wira ringa | A197 | A197 | A197 | A197 | A197 | A197 | A197 |
| 17 | WhakahinuhinuKaeke | 410 | 410 | 410 | 410 | 410 | 410 | 410 |
| 18 | Te takai | Kauwhata | Kauwhata | Kauwhata | Kauwhata | Kauwhata | Kauwhata | Kauwhata |
