Aplikasi PQsisih dipasang rong cara nutup tutup hemisfer eksentrik
Cocog kanggo perawatan limbah, pulp, alumina, pemanasan kutha, petrokimia, gas, slurry, awu batu bara, lsp.
Fitur produk
1. Wilayah sirkulasi gedhe lan resistensi aliran cilik. Iki amarga sawise mbukak, inti tutup dumunung ing kamar werni, lan adi langsung liwat.
2. Torsi operasi cilik, nguripake 90 derajat kanggo mbukak lan nutup, gampang kanggo operate.
3. Segel nyenyet; segel hard logam eksentrik pindho. Struktur kasebut ora mengaruhi bukaan lan tutup, sing minangka fitur paling penting saka tutup hemisfer.
4. Umur layanan dawa, pasangan sealing tahan nyandhang, kanthi kompensasi, kursi katup bisa diatur utawa diganti.
Standar eksekutif kanggo sisih PQ dipasang katup hemisfer eksentrik bidirectional
| Kritéria desain | Panjang struktural | Standar flange | Test lan pengawasan |
| GB / T 12237-2007 | GB / T 12221-2005 | GB-T9113-2000, EN1092 | GB/T13927-2008, API598 |
Parameter teknis utama
| Tekanan nominal PN(MPa) | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 |
| Tekanan kerja maksimum ing suhu normal (MPa) | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 |
| Tekanan uji kekuatan cangkang (MPa) | 0.9 | 1.5 | 2.4 | 3.8 | 6.0 | 9.6 |
| Tekanan uji kedap udara (MPa) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Tekanan uji segel tekanan tinggi (MPa) | 0.66 | 1.1 | 1.8 | 2.75 | 4.4 | 7.1 |
| Tingkat kebocoran | ||||||
| Suhu sing ditrapake (℃) | Segel alus: -40 ℃ ~ + 200 ℃ | |||||
| Media sing ditrapake | Gas alam, uap, produk lenga, asam, alkali, batu bara bubuk, abu batu bara, residu sampah lan lumpur Kalebu granular, serat lan media liyane | |||||
| Formulir transmisi | Worm gear drive, drive listrik, drive pneumatik, drive hidrolik | |||||
PQ Bahan bagean utama sisih dipasang katup hemisfer eksentrik rong arah
| Badan katup lan piring tekanan | WCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti | ZG15Cr1Mo1V |
| bal | WCB+Cr | 1Cr18Ni9Ti perawatan lumahing khusus | 0Cr18Ni12Mo2Ti perawatan lumahing khusus | 25Cr2Mo1V perawatan lumahing khusus |
| Batang | 20Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti | 25Cr12Mo1V |
| kursi katup | Q235A + PTFEButt welding | 1Cr18Ni9Ti/PTFE | 0Cr18Ni12Mo2Ti/PTFE | 25Cr12Mo1/PTFE |
| pangisi | Grafit fleksibel | Grafit fleksibel | Grafit fleksibel | Grafit fleksibel |
| Bolt | 35 | 0Cr18Ni9 | 0Cr18Ni9 | 15Cr1Mo1V |
| Nut | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 20CrMo |
PQ Drawing saka sisih dipasang loro cara segel tutup hemisfer eksentrik
PQ Dimensi sambungan utama saka PN1.0MPa sisih dipasang katup hemisfer eksentrik segel loro-lorone
| DN | L | D | D1 | D2 | Z-d0 | f | b | H |
| 40 | 165 | 150 | 110 | 84 | 4-18 | 2 | 18 | 210 |
| 50 | 178 | 165 | 125 | 99 | 4-18 | 2 | 20 | 230 |
| 65 | 190 | 185 | 145 | 118 | 4-18 | 2 | 20 | 245 |
| 80 | 203 | 200 | 160 | 132 | 8-18 | 2 | 20 | 265 |
| 100 | 229 | 220 | 180 | 156 | 8-18 | 2 | 22 | 310 |
| 125 | 254 | 250 | 210 | 184 | 8-18 | 2 | 22 | 350 |
| 150 | 267 | 285 | 240 | 211 | 8-22 | 2 | 24 | 395 |
| 200 | 292 | 340 | 295 | 266 | 8-22 | 2 | 24 | 435 |
| 250 | 330 | 395 | 350 | 319 | 12-22 | 2 | 26 | 480 |
| 300 | 356 | 445 | 400 | 370 | 12-22 | 2 | 26 | 550 |
| 350 | 381 | 505 | 460 | 429 | 16-22 | 2 | 26 | 620 |
| 400 | 430 | 565 | 515 | 480 | 16-26 | 2 | 26 | 670 |
| 450 | 502 | 615 | 565 | 530 | 20-26 | 2 | 28 | 700 |
| 500 | 550 | 670 | 620 | 582 | 20-26 | 2 | 28 | 760 |
| 600 | 660 | 780 | 725 | 682 | 20-30 | 2 | 34 | 850 |
| 700 | 770 | 895 | 840 | 794 | 24-30 | 5 | 34 | 920 |
| 800 | 880 | 1015 | 950 | 901 | 24-33 | 5 | 36 | 1100 |
| 900 | 1000 | 1115 | 1050 | 1001 | 28-33 | 5 | 38 | 1300 |
| 1000 | 1100 | 1230 | 1160 | 1112 | 28-36 | 5 | 38 | 1600 |
| 1200 | 1200 | 1455 | 1380 | 1328 | 32-39 | 5 | 44 | 1950 |






















