2.1 Lembar Tanggal
klep kontrol cryogenic pneumatic tipe awak: | lempeng ngaliwatan casting tipe globe |
Jenis colokan klep: | tipe colokan korsi tunggal teu saimbang |
Ukuran nominal: | DN20~200,、NPS 3/4〞~ 8〞 |
Tekanan nominal: | PN16 ~ 100、KELAS 150LB ~ 600LB |
Sambungan: flange: | FF、RF、MF、RTJ |
las: | SW、BW |
Ukuran flange: | Numutkeun IEC 60534 |
Pneumatic cryogenic régulasi klep tipe Bonnet: | Ⅲ: Suhu low tipe nambahan(-196℃~ 45℃) |
Bungkusan: | V tipe PFTE packing, flex.bungkusan grafit, jsb. |
Gasket: | Bungkusan grafit logam |
Pneumatic cryogenic régulasi valveActuator: | Pneumatic: multi-spring diafragma actuator, piston tipe actuator. |
2.2 Gambar struktur klep kontrol cryogenic
2.3 Daptar bahan klep kontrol cryogenic
Ngaran komponén | Bahan Klep Kontrol |
Awak/Bonet | LCB / LCC / LF2 / CF8 / CF8M / CF3M |
Klep spool / korsi | 304/316/316L (overlaying alloy stellite) |
Bungkusan | Biasa: -196~150℃nyaeta PTFE |
Gasket | Normal: stainless steel kalawan grafit fléksibel, Special: Metal tipe huntu gasket |
Panutup diafragma | Normal: Q235, Husus: 304 |
Diafragma | NBR kalawan lawon poliéster bertulang |
Cinyusu | Normal: 60Si2Mn, Husus: 50CrVa |
Batang klep kontrol | 2Cr13/17-4PH/304/316/316L |
2.4Low bahan suhu cocog daptar suhu
Casting | Ngajalin | ||
Bahan | Gawé panghandapna suhu | Bahan | Gawé panghandapna suhu |
LCB | -46°C | LF2 | -46°C |
LCC | -46°C | -46°C | |
LC1 | -59°C | LF5 | -59°C |
LC2 | -73°C | LF9 | -73°C |
LC3 | -101°C | LF3 | -101°C |
CF8 | -254°C | F304 | -254°C |
CF8M | -254°C | F316 | -254°C |
CF3 | -254°C | F304L | -254°C |
CF3M | -254°C | F316L | -254°C |
2.5 kinerja klep kontrol cryogenic
klep pangatur cryogenic pneumatic Ciri aliran | Linier, persentase, gancang buka |
rentang diwenangkeun | 50: 1 (CV<6.3 30: 1) |
Nilai Cv dipeunteun | Persentase CV1,6~630,liniér CV1.8~690 |
Pneumatic cryogenic régulasi klep Leakage diwenangkeun | segel logam: kelas IV(0,01% kapasitas dipeunteun) segel lemes: kelas VI(kelas busa) Leakage baku: GB / T 4213 |
Pneumatic cryogenic régulasi klep Performance | |
Kasalahan intrinsik% | ± 1,5 |
Béda balik,% | ≤1.5 |
Zona maot,% | ≤0.6 |
Bédana ti mimiti nepi ka ahir,% | ± 2,5 |
Beda perjalanan dipeunteun,% | ≤2.5 |
2.6 parameter actuator klep kontrol cryogenic
Control Valve Type \ Métode | Aktuator diafragma pneumatik |
PZMA-4~PZMA-7 | |
Jinis multi-spring | |
Pamakéan | Tipe régulasi, tipe ON-OFF |
Tekanan suplai hawa atawa tegangan suplai Power | Tekanan suplai hawa (Spring range) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Panyambung | Panyambungna pipa hawa: RC1/4 |
Peta langsung | Tekanan ningkat, batang turun, klep nutup. |
Réaksi | Tekanan ningkat, batang naek, klep muka. |
Sinyal input | 40~20mA.DC(kalawan positioner) |
Lag | ≤1%FS(kalawan positioner) |
Tipe linier | 2%FS(kalawan positioner) |
Suhu lingkungan | -10℃~+70℃ |
klep pangatur cryogenic pneumatic Asesoris | E / P, P / P klep positioner, regulator filter, converter klep, klep solenoid, switch kawates Asesoris non-standar, peryogi catetan khusus khusus. |
2.7 parameter téknis klep kontrol cryogenic
Diaméter korsi (mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
Dipeunteun Cv | Persentase | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 |
liniér | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | |
Nom.ukuran | Lalampahan | Karakteristik aliran pilihan Cv.(★standar ●dianjurkeun ○disesuaikeun) | |||||||||||||
DN20 | 16 mm | ● | ● | ● | ★ | ||||||||||
DN25 | ● | ● | ● | ● | ★ | ||||||||||
DN32 | 25 mm | ○ | ○ | ○ | ○ | ○ | ★ | ||||||||
DN40 | ○ | ○ | ○ | ○ | ● | ★ | |||||||||
DN50 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN65 | 40 mm | ○ | ○ | ○ | ★ | ||||||||||
DN80 | ○ | ○ | ○ | ● | ★ | ||||||||||
DN100 | ○ | ○ | ○ | ● | ● | ★ | |||||||||
DN125 | 60 mm | ○ | ○ | ○ | ★ | ||||||||||
DN150 | ○ | ○ | ● | ★ | |||||||||||
DN200 | ○ | ○ | ● | ● | ★ | ||||||||||
Aktuator pneumatik Luas diafragma, Ae(cm2) | PZMA-4 | PZMA-5 | PZMA-6 | PZMA-7 | |||||||||||
280 | 400 | 600 | 1000 | ||||||||||||
Aksi | Rentang cinyusu | klep pangatur cryogenic pneumatic sealing logam bédana tekanan allowable (MPa) | |||||||||||||
Hawa kabuka | 20-100KPa | 4.46 | 3.09 | 1.98 | 1.16 | 0.7 | 0.44 | 0.28 | 0.18 | 0.17 | 0.11 | 0.07 | 0.07 | 0.05 | 0.03 |
40-200 KPa | 6.4 | 6.4 | 5.94 | 3.34 | 2.14 | 1.31 | 0.84 | 0.53 | 0.51 | 0.33 | 0.21 | 0.22 | 0.15 | 0.09 | |
80-240 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 4.99 | 3.05 | 1.95 | 1.25 | 1.18 | 0.78 | 0.5 | 0.51 | 0.36 | 0.21 | |
Hawa nutup | 20-100KPa | 6.4 | 6.19 | 3.96 | 2.23 | 2.14 | 0.87 | 0.56 | 0.35 | 0.34 | 0.22 | 0.14 | 0.15 | 0.1 | 0.06 |
40-200 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 5.86 | 3.64 | 2.3 | 2.21 | 1.43 | 0.91 | 0.95 | 0.66 | 0.37 | |
80-240 KPa | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 5.04 | 3.18 | 3.06 | 1.98 | 1.26 | 1.32 | 0.92 | 0.52 |