Speċifikazzjoni pnewmatika tal-valv tad-dijaframma miksija PTFE PFA
Pnewmatiċi PTFE PFA dijaframma miksijavalv ta 'kontroll Tip ta 'gisem: | straight through casting globu tip Fluworidu (PTFE, FEP, PFA) miksija |
Tip ta' rukkell: | tip ta 'plagg ta' sedil wieħed mhux ibbilanċjat |
Daqs nominali: | DN20~200,、 NPS 3/4〞~ 8〞 |
Pressjoni nominali: | PN16 ~ 100、 KLASSI 150LB ~ 600LB |
Konnessjoni: flanġ: | FF、RF、MF、RTJ |
Iwweldjar: | SW、BW |
Dimensjoni tal-ħanek: | Skont IEC 60534 |
Valv ta 'kontroll tad-dijaframma pnewmatiku PTFE PFA miksi Tip ta' Bonnet: | Ⅰ: tip standard (-29 ℃ ~ 150 ℃) |
Ippakkjar: | Ippakkjar PFTE tat-tip V, flex.ippakkjar tal-grafita, eċċ. |
Gasket: | Ippakkjar tal-grafita tal-metall |
Attwatur: | Pnewmatiku: attwatur tad-dijaframma b'ħafna rebbiegħa, attwatur tat-tip tal-pistun. |
Lista tal-Materjal
Isem tal-komponent | Materjal tal-Valv tal-Kontroll |
Korp/ Bonnet | WCB/CF8/CF8M/CF3M |
Materjal miksi | PTFE, FEP, PFA |
Rukkell/Sedil tal-Valv tal-Kontroll | 304/316/316L Infurrati PTFE/FEP/PFA |
Ippakkjar | PTFE |
Siegla | PTFE |
Qoxra tad-dijaframma | Normali: Q235, Speċjali: 304 |
Dijaframma | NBR bi drapp tal-poliester rinfurzat |
Rebbiegħa | Normali: 60Si2Mn, Speċjali: 50CrVa |
Zokk tal-valv tal-kontroll | 2Cr13/17-4PH/304/316/316L |
Prestazzjoni tal-valv
Valv ta 'kontroll tad-dijaframma pnewmatiku PTFE PFA Infurrati Karatteristika tal-fluss | Lineari, persentaġġ, miftuħ malajr | |
Firxa permissibbli | 30: 1 | |
Valur Cv nominali | Perċentwali CV6.3 ~ 400 ,lineari CV6.9 ~ 440 | |
Valv ta 'kontroll tad-dijaframma pnewmatiku PTFE PFA miksi Tnixxija permissibbli | Siġill artab: grad VI (grad tal-fowm) Standard ta 'tnixxija: GB/T 4213 | |
Valv ta 'kontroll tad-dijaframma pnewmatiku PTFE PFA Infurrati Prestazzjoni | ||
Żball intrinsiku (%) | ±1.5 | |
Differenza tar-ritorn (%) | ≤1.5 | |
Żona mejta (%) | ≤0.6 | |
Differenza mill-punt tal-bidu sat-tmiem (%) | ±2.5 | |
Differenza tal-ivvjaġġar stmata (%) | ≤2.5 |
Speċifikazzjoni tal-attwatur tal-valv
Valv ta 'kontroll pnewmatiku miksi bil-fluworin Tip\ Metodu | Attwatur tad-dijaframma pnewmatiku |
PZMA-4~ PZMA-7 | |
Tip b'ħafna rebbiegħa | |
Użu | Tip regolatorju, tip ON-OFF |
Pressjoni tal-provvista tal-arja jew vultaġġ tal-provvista tal-Enerġija | Pressjoni tal-provvista tal-arja (firxa tar-rebbiegħa) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Konnettur | Konnettur tal-pajp ta 'l-arja: RC1/4 |
Azzjoni diretta | Żieda fil-pressjoni, zokk jinżel, valv qrib. |
Reazzjoni | Żieda fil-pressjoni, zokk ascend, valv miftuħ. |
Sinjal tad-dħul | 40~20mA.DC (bil-pożizzjonatur) |
Lag | ≤1%FS (bil-positioner) |
Tip lineari | 2% FS (bil-positioner) |
Temperatura ambjentali | -10℃~+70℃ |
Aċċessorji tal-valv ta 'kontroll tad-dijaframma pnewmatiċi PTFE PFA miksija | E/P, pożizzjoni tal-valv P/P, regolatur tal-filtru, konvertitur tal-valv, valv tas-solenojd, swiċċ limitat Aċċessorji mhux standard, jeħtieġu noti speċjali apposta. |
Parametru tekniku tal-valv
Daqs nominali, DN | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | ||
Koeffiċjent tal-fluss nominali, Cv | Persentaġġ | 8 | 12 | 20 | 32 | 50 | 70 | 100 | 200 | 240 | ||
Lineari | 5 | 10 | 16 | 25 | 38 | 63 | 80 | 120 | 220 | 300 | ||
Ivvjaġġar | 16mm | 25 mm | 40mm | 60mm | ||||||||
Attwatur pnewmatiku Erja effettiva tad-dijaframma, Ae (cm2) | ZHA/B-22 | ZHA/B-23 | ZHA/B-34 | ZHA/B-45 | ||||||||
350 | 350 | 560 | 900 | |||||||||
Azzjoni | Firxa tar-rebbiegħa | Valv ta 'kontroll tad-dijaframma pnewmatiku PTFE PFA miksi Max.differenza fil-pressjoni permissibbli (MPa) | ||||||||||
Arja miftuħa | 20-100KPa | 1.16 | 0.7 | 0.44 | 0.28 | 0.18 | 0.17 | 0.11 | 0.07 | 0.07 | 0.05 | |
40-200 KPa | 3.34 | 2.14 | 1.31 | 0.84 | 0.53 | 0.51 | 0.33 | 0.21 | 0.22 | 0.15 | ||
80-240 KPa | 6.4 | 4.99 | 3.05 | 1.95 | 1.25 | 1.18 | 0.78 | 0.5 | 0.51 | 0.36 | ||
Arja mill-qrib | 20-100KPa | 2.23 | 2.14 | 0.87 | 0.56 | 0.35 | 0.34 | 0.22 | 0.14 | 0.15 | 0.1 | |
40-200 KPa | 6.4 | 6.4 | 5.86 | 3.64 | 2.3 | 2.21 | 1.43 | 0.91 | 0.95 | 0.66 | ||
80-240 KPa | 6.4 | 6.4 | 6.4 | 5.04 | 3.18 | 3.06 | 1.98 | 1.26 | 1.32 | 0.92 |