Pneumatic tank bottom ragulator
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Pneumatic tank bottom ragulator
features
ZJHY pneumatic tank bottom regulator is a special structure type signle seat regulator, body is "Y" shape, smooth body flow path, small pressure drop loss, seat leakage conform to ANSIBIG. 104 standard, equipped with ZHA multi-spring diaphragm actuator, with compact structure, large output, Shanghai Yihuan flow control equipment Co., LTD. produced pneumatic tank bottom control valve is most suitable for controling easy deposits or contain grain fluids.
construction
Pneumatic tank bottom ragulator constructral diagram
technical parameters and performance indicators
body：WCB、 ZG230-450、ZG1Cr18Ni9Ti、ZG1Cr18Ni12Mo2
core：0Cr18Ni12Mo2, bead welded stellite
seat: PTFE
stem,thrust rod：2Cr13、1Cr18Ni9Ti
diaphragm cover：A3
spring：60Si2Mn
packing: PTFE, flexible graphite, stainless steel
gasket: rubber asbestos, 1Cr18Ni9Ti, asbestos spiral wound gasket
detail technical parameters
| DN(mm) | 25 | 40 | 50 | 65 | 80 | 100 | 150 | |
| seat diameter (mm) | 40 | 50 | 80 | 80 | 100 | 150 | 200 | |
| rated flow coefficient Kv | 14 | 35 | 55 | 95 | 135 | 220 | 720 | |
| rated stroke (mm) | 25 | 40 | 50 | 75 | ||||
| signal scope Pr(Kpa) | 20～100、 40～200、 80～240, section width：20～60、 60～100 | |||||||
| air supply pressure Ps(Mpa) | 0.14～0.4 | |||||||
| intrinsic flow characteristic | fast open | |||||||
| allowed leakage | hard seat：10-4×rated volume、 soft sealing：10-7×rated volume | |||||||
| PN(Mpa) | 1.6、 4.0、 6.4 | |||||||
| working temperature t （℃） |
normal temperature | -20～200、 -40～250、 -60～250 | ||||||
| radiating | -40～450、 -60～450 | |||||||
| high temperature | 450～560 | |||||||
| low temperature | -60～100、 -100～-200、 -200～-250 | |||||||
external dimensions (unit:mm)
upper sealing separating(equipped with positive actuator)
| DN | фD | H | H1 | H2 | H3 | фK | T | L |
| DN50×80 | 94 | 753 | 47 | 51 | 50 | 250 | 363 | 170 |
| DN65×80 | 94 | 795 | 47 | 51 | 68 | 350 | 363 | 200 |
| DN100×150 | 210 | 1052 | 39 | 78 | 90 | 470 | 520 | 330 |
upper sealing unitary (equipped with positive actuator)
| DN | фD | H | H1 | H2 | H3 | L | фK | T |
| DN50×80 | 81 | 753 | 47 | 51 | 50 | 170 | 350 | 363 |
| DN65×80 | 77 | 795 | 47 | 51 | 68 | 200 | 350 | 363 |
| DN80×100 | 179 | 980 | 60 | 64.5 | 67 | 230 | 470 | 520 |
| DN150×200 | 210 | 1052 | 39 | 78 | 90 | 330 | 470 | 520 |
upper sealing unitary (equipped with reaction actuator)
| DN | фD | H | H1 | H2 | H3 | L | фK | T |
| DN25×40 | 55 | 541 | 20 | 33 | 48 | 130 | 218 | 230 |
| DN40×50 | 80 | 573 | 20 | 33 | 55 | 155 | 218 | 230 |
| DN65×100 | 120 | 680 | 25 | 39 | 68 | 200 | 350 | 363 |
