Model NO.: Zrqm
Model NO.: Zrqm
OverviewZRQM series intelligent electric control valve is a kind of pressure balanced regulating valve. Equipped with RQM series intelligent electric actuator, the overall structure is compact, light weight, good stability, high protection level. Therefore, it is widely used in large thermal power plants, chemical plants, water treatment and sewage treatment, natural gas, oil fields, iron and steel plants and other active regulation system.
Material for important parts
Valve body, valve cover: HT200, ZG230? 450, ZG1Cr18Ni9Ti
Valve core and valve seat: 1Cr18Ni9Ti, Ti Ti alloy surfacing
Valve stem, push rod: 2Cr13, 1Cr18Ni9Ti
Bushing: 2Cr13
Packing: PTFE, flexible graphite, stainless steel ripple
Important technical parameters
The important technical parameters of electric actuator
Output thrust: 44 ~ 550KN
(output adjustment thrust: 5.71 ~ 47.05KN)
(rated output closing thrust: 8.4 ~ 63.15KN)
The basic deviation of position control: (set travel time = 25 + 1% seconds)
Repeatability deviation: (set travel time more than 25 seconds) is less than or equal to 1%
Dead zone: adjustable from 0.1% to 9.9%
Output starting frequency of rated load: 1200 times / hour
Input flags: 4 to 20mA/100 ohms, 2 to 10mA/100 ohms, DC24V switching.
Power supply: 380 + 10%VAC, 50Hz
Relative humidity: less than 95%
Ambient temperature: -30 ~ +70
Explosion proof grade: Exd II BT4
Anti spread level: IP68
Photoelectric isolation is used in the input and output channels
Important technical parameters of regulating mechanism
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nominal diaDN(mm) (spool dia dn) |
20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | ||||
(10) | (12) | (15) | (20) | ||||||||||||||
rated flow coeffiencient Kv | linear | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | 1100 | 1760 |
 | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 | |
rated stroke L(mm) | 10 | 16 | 25 | 40 | 60 | 100 | |||||||||||
Inherent flow characteristics | linear,equal percentage | ||||||||||||||||
Intrinsic adjustable ratio  R | 50:1 | ||||||||||||||||
License leakage | hard valve seat: Â IV grade,soft valve seat: Â VI grade | ||||||||||||||||
nominal pressurePN(MPa) | 1.6,4.0,6.4 | ||||||||||||||||
working temperature t(ºC) |
room temperature | -20~200,-40~250,-60~250 | |||||||||||||||
heat dissipation | -40~450,-60~450 | ||||||||||||||||
high temperature | 450~560 | ||||||||||||||||
low temperature | -60~-100,-100~-200,-200~-250 |
 Overview
ZRQM series intelligent electric control valve is a kind of pressure balanced regulating valve. Equipped with RQM series intelligent electric actuator, the overall structure is compact, light weight, good stability, high protection level. Therefore, it is widely used in large thermal power plants, chemical plants, water treatment and sewage treatment, natural gas, oil fields, iron and steel plants and other active regulation system.
Material for important parts
Valve body, valve cover: HT200, ZG230? 450, ZG1Cr18Ni9Ti
Valve core and valve seat: 1Cr18Ni9Ti, Ti Ti alloy surfacing
Valve stem, push rod: 2Cr13, 1Cr18Ni9Ti
Bushing: 2Cr13
Packing: PTFE, flexible graphite, stainless steel ripple
Important technical parameters
The important technical parameters of electric actuator
Output thrust: 44 ~ 550KN
(output adjustment thrust: 5.71 ~ 47.05KN)
(rated output closing thrust: 8.4 ~ 63.15KN)
The basic deviation of position control: (set travel time = 25 + 1% seconds)
Repeatability deviation: (set travel time more than 25 seconds) is less than or equal to 1%
Dead zone: adjustable from 0.1% to 9.9%
Output starting frequency of rated load: 1200 times / hour
Input flags: 4 to 20mA/100 ohms, 2 to 10mA/100 ohms, DC24V switching.
Power supply: 380 + 10%VAC, 50Hz
Relative humidity: less than 95%
Ambient temperature: -30 ~ +70
Explosion proof grade: Exd II BT4
Anti spread level: IP68
Photoelectric isolation is used in the input and output channels
Important technical parameters of regulating mechanism
Â
nominal diaDN(mm) (spool dia dn) |
20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | ||||
(10) | (12) | (15) | (20) | ||||||||||||||
rated flow coeffiencient Kv | linear | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | 1100 | 1760 |
 | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 | |
rated stroke L(mm) | 10 | 16 | 25 | 40 | 60 | 100 | |||||||||||
Inherent flow characteristics | linear,equal percentage | ||||||||||||||||
Intrinsic adjustable ratio  R | 50:1 | ||||||||||||||||
License leakage | hard valve seat: Â IV grade,soft valve seat: Â VI grade | ||||||||||||||||
nominal pressurePN(MPa) | 1.6,4.0,6.4 | ||||||||||||||||
working temperature t(ºC) |
room temperature | -20~200,-40~250,-60~250 | |||||||||||||||
heat dissipation | -40~450,-60~450 | ||||||||||||||||
high temperature | 450~560 | ||||||||||||||||
low temperature | -60~-100,-100~-200,-200~-250 |
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Guangzhou Maowo Machinery Technology Co., Ltd , https://www.maowogroup.com