ZRQM Intelligent electric control valveDetailed product description：

Overview of ZRQM Intelligent Electric Control Valve

The ZRQM series intelligent electric regulating valve is a pressure balanced regulating valve. Equipped with RQM series intelligent electric actuators, it has a compact overall structure, light weight, good stability, and high protection level. Therefore, it is widely used in automatic control systems such as large thermal power plants, chemical plants, water and sewage treatment, natural gas oil fields, steel plants, etc.

Main technical parameters of intelligent electric regulating valve
Main technical parameters of electric actuator
Output thrust: 44-550KN
(Output adjustment thrust: 5.71-47.05KN)
(Rated closing thrust output: 8.4-63.15KN)
Basic error of position control: (set travel time ≥ 25 seconds) ± 1%
Repetitive error: (set travel time ≥ 25 seconds) ≤ 1%
Dead zone: adjustable from 0.1% to 9.9%
Starting frequency at rated load output: 1200 times/hour
Input signal: 4-20mA/100 Ω, 2-10mA/100 Ω, DC24V switch quantity.
Power supply: 380 ± 10% VAC, 50Hz
Relative temperature: ≤ 95%
Environmental temperature: -30 ℃~+70 ℃
Explosion proof grade: Exd Ⅱ BT4
Anti expansion rating: IP68
Both input and output channels adopt optoelectronic isolation

Main technical parameters of the regulating mechanism
Valve body and cover: HT200, ZG230-450, ZG1Cr18Ni9Ti
Valve core and seat: 1Cr18Ni9Ti, Si Ti Lai alloy overlay welding
Valve stem and push rod: 2Cr13, 1Cr18Ni9Ti
Lining: 2Cr13
Packing: PTFE, flexible graphite, stainless steel corrugated

Nominal diameter DN (mm) (Valve core diameter dn)

twenty

twenty-five

thirty-two

forty

fifty

sixty-five

eighty

one hundred

one hundred and twenty-five

one hundred and fifty

two hundred

two hundred and fifty

three hundred

(10)

(12)

(15)

(20)

Rated flow coefficient Kv

straight line

one point eight

two point eight

four point four

six point nine

eleven

seventeen point six

twenty-seven point five

forty-four

sixty-nine

one hundred and ten

one hundred and seventy-six

two hundred and seventy-five

four hundred and forty

six hundred and ninety

one thousand and one hundred

one thousand seven hundred and sixty

equal percentage

one point six

two point five

four

six point three

ten

sixteen

twenty-five

forty

sixty-three

one hundred

one hundred and sixty

two hundred and fifty

four hundred

six hundred and thirty

one thousand

one thousand and six hundred

Rated travel L (mm)

ten

sixteen

twenty-five

forty

sixty

one hundred

Inherent flow characteristics

Straight line, equal percentage

Inherent adjustable ratio R

50:1

Allowable leakage amount

Hard valve seat: Grade IV, soft valve seat: Grade VI

Nominal pressure PN (MPa)

1.6, 4.0, 6.4

Working temperature t (℃)

Room temperature type

-20-200, -40 to 250, -60 to 250

heat dissipation type

-40-450, -60-450

high-temperature type

450~560

Low temperature type

-60-100, -100 to -200, -200 to -250