Pneumatik 3 cara nyawiji ngatur / kontrol awak katup nduweni fitur ing ngisor iki:
Katup kontrol 3 arah pneumatik Tipe awak: | 3-cara casting jinis globe |
Tipe Spool: | 3-cara kursi pindho spool |
Ukuran nominal: | DN20~300 NPS 3/4〞~ 12〞 |
Tekanan nominal: | PN16 ~ 100, KELAS 150LB ~ 600LB |
Koneksi: flange: | FF, RF, MF, RTJ |
Welding: | SW, BW |
Ukuran Flange: | Miturut IEC 60534 |
Katup kontrol 3 arah pneumatik Tipe Bonnet: | Ⅰ: jinis standar (-20 ℃ ~ 230 ℃) Ⅱ: Jinis Radiator: (-45 ℃ ~ dhuwur saka 230 ℃ wusana) Ⅲ: Low suhu jinis lengkap (-196 ℃ ~ -45 ℃) Ⅳ: jinis segel ngisor Ⅴ: Tipe Jaket insulasi anget |
Packing: | V tipe PFTE packing, fleksibel.packing grafit, lsp. |
Gasket: | Kemasan logam grafit |
Aktuator katup kontrol: | Pneumatik: aktuator diafragma multi-spring, aktuator tipe piston. |
Daftar bahan
Jeneng komponen | Bahan Katup Kontrol |
Badan/Bonet | WCB/WCC/WC6/CF8/CF8M/CF3M |
Katup spool / Kursi | 304/316/316L (overlaying stellite alloy) |
Packing | Normal: -196 ~ 150 ℃ yaiku PTFE, RTFE,> 230 ℃ yaiku grafit fleksibel |
Nang ngisor | 304,316,316L |
Gasket | Normal: Baja tahan karat kanthi grafit fleksibel, Khusus: paking jenis gigi logam |
Batang | 2Cr13/17-4PH/304/316/316L |
Tutup Diafragma | Normal: Q235, Khusus: 304 |
Diafragma | NBR kanthi kain poliester sing dikuatake |
Spring | Normal: 60Si2Mn, Khusus: 50CrVa |
Kinerja katup
Katup kontrol pneumatik 3 arah karakteristik Aliran | Linear, persentase | |
Kisaran sing diidini | 30:1 | |
Nilai Cv sing dirating | Persentase / linear CV8.5~1280 | |
Katup pengatur 3 arah pneumatik / katup kontrol Kebocoran sing diidini | Segel logam: kelas IV (kapasitas dinilai 0,01%) Standar bocor: GB / T 4213 | |
Pneumatic 3 cara kontrol katup Performance | ||
Kesalahan intrinsik (%) | ± 1.5 | |
Beda bali (%) | ≤1.5 | |
Zona mati (%) | ≤0.6 | |
Bedane saka wiwitan nganti pungkasan (%) | ± 2.5 | |
Rated travel prabédan (%) | ≤2.5 |
Katup Requirement Khusus
Tes khusus | Deteksi cacat penetrasi material (PT), uji radiator (RT), uji karakteristik aliran, test suhu kurang. |
Perawatan khusus | Trim perawatan nitrogen, jog perawatan alloy hard. |
Cuci khusus | Degreasing lan perawatan dehidrasi |
Kondisi khusus | Pipa utawa sambungan khusus, kondisi vakum, pengikat SS, lapisan khusus. |
Ukuran khusus | Customized pasuryan kanggo pasuryan dawa utawa dimensi |
Test lan pengawasan | Laporan test pihak katelu |
Parameter teknis
Diameter kursi (mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | ||
Rated flow coefficient, CV | 8.5 | 13 | 21 | 34 | 53 | 85 | 135 | 210 | 340 | 535 | 800 | 1280 | ||
Ukuran nominal | Dolan | Koefisien aliran pilihan Cv(★standar ●disaranake) | ||||||||||||
DN25 | 16 mm | ★ | ||||||||||||
DN32 | 25 mm | ★ | ||||||||||||
DN40 | ● | ★ | ||||||||||||
DN50 | ● | ● | ★ | |||||||||||
DN65 | 40 mm | ★ | ||||||||||||
DN80 | ● | ★ | ||||||||||||
DN100 | ● | ● | ★ | |||||||||||
DN125 | 60 mm | ★ | ||||||||||||
DN150 | ● | ★ | ||||||||||||
DN200 | ● | ● | ★ | |||||||||||
DN250 | 100 mm | ● | ● | ★ | ||||||||||
DN300 | ● | ● | ★ |