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V230 self operated pressure regulating valve

V230 self operated pressure regulating valve

Summary: The direct acting self operated pressure (differential pressure) regulating valve (V230 self operated pressure regulating valve) is composed of valve body,valve seat,valve core and other parts.It is an energy-saving product that can automatically adjust the pressure only by the pressure change of the regulated medium without external energy.It can be used for pressure control of non corrosive (maximum temperature 350 ℃) liquid,gas,steam and other media It is widely used in petroleum,chemical industry,metallurgy,light industry and other industrial sectors as well as urban heating and heating system.

  • Item NO.:

    XUVAL77-26
  • Lead Time:

    45Days
  • Product Orgin:

    CHINA
  • Brand:

    XUVAL
  • Shipping Port:

    Shanghai
  • Payment:

    100%TT
  • Color:

    silvery
  • MOQ:

    10
Products Details

V230 self operated pressure regulating valve

Summary:

The direct acting self operated pressure (differential pressure) regulating valve (V230 self operated pressure regulating valve) is composed of valve body,valve seat,valve core and other parts.It is an energy-saving product that can automatically adjust the pressure only by the pressure change of the regulated medium without external energy.It can be used for pressure control of non corrosive (maximum temperature 350 ℃) liquid,gas,steam and other media It is widely used in petroleum,chemical industry,metallurgy,light industry and other industrial sectors as well as urban heating and heating system.


Model and specification:

Category Pressure control regulating valve Differential pressure control valve
Pressure regulating valve behind valve Pre valve pressure regulating valve Differential pressure rise valve closed Differential pressure rising valve open
Hard seal Soft seal Hard seal Soft seal Hard seal Soft seal Hard seal Soft seal
Model V230D01 V230D01 V230D02 V230D02 V230D03 V230D03 V230D04 V230D04
Specifications DN15-250


Main technical parameters of control valve:

Nominal diameter(mm) 15 20 25 32 40 50 65 80 100 125 150 200 250
Rated flow coefficient(Kvs) 3.2 5 8 12.5 20 32 50 80 125 160 320 450 630
Nominal pressure(Mpa) 1.6; 4.0
Z value 0.6 0.6 0.6 0.55 0.55 0.5 0.5 0.45 0.4 0.35 0.3 0.2 0.2
Highest
work
temperature

V230
V231
Liquid ≤ 140;gas ≤ 80
Hard seal
V230
With isolation tank≤ 200 With isolation tank and
Extension ≤ 300
With isolation tank and radiator≤ 200
Pressure balance element corrugated pipe Rolling diaphragm
Flange standard DIA(flange standard can also be provided according to user's requirement)
Body material PN16:cast iron (working temperature ≤ 200 ℃)PN40:cast steel,cast stainless steel(working temperature ≤ 350 ℃)
Material of valve core Stainless steel:the soft seal is stainless steel inlaid with rubber ring
Maximum working pressure(MPa) Nominal pressure(pay attention to the relationship between △ Pmax and working pressure and working temperature)

Note:
1.When liquid temperature is higher than 140 ℃ and gas temperature is higher than 80 ℃,the valve is inverted;
2.Z value:noise measurement system.This value is used to measure the noise level.


Main technical parameters of actuator

Model V230 D01(D03) V231D01(D03) V230 D02(D04) V231D02(D04)
Effective area(㎝2) 23※ 80※ 250 630 23※ 80※
250
630
Pressure setting range(MPa) 0.3~1.2 0.1~0.6 0.015~0.15 0.005~0.035 0.3~1.1 0.1~0.5 0.015~0.12 0.005~0.035
0.8~1.6 0.05~0.3 0.01~0.07 1.0~1.6 0.05~0.25 0.01~0.06

Ensure the pressure valve is working normally

Minimum pressure difference 

P MPa

≥0.05 ≥0.04 ≥0.01 ≥0.005 ≥0.05 ≥0.04 ≥0.01 ≥0.05

Between the upper and lower membrane chambers is allowed

Maximum pressure difference MPa

2.0 1.25 0.4 0.15 2.0 1.25 0.4 0.15
Trip(mm) 18 18 23 23 18 18 23 23
Texture of material Diaphragm:EPDM or FKM clip fiber;diaphragm cover:galvanized steel plate
Control pipeline and joint Copper pipe or steel pipe 10 × 1;ferrule type joint R quarter ″
Note:
1. The pressure setting range is not suitable for DN 150-250.
2. EPDM is suitable for water,steam and gas medium,FKM is suitable for oil,water,steam and gas medium.


Performance index:

Control accuracy ±8%
Allowable leakage
(under specified test conditions)
l/h
Hard seal Rated capacity of 4 × 10-4 valve
Soft seal DN15~50 DN65~125 DN150~250
10 bubbles/min 20 bubbles/min 40 bubbles/min


Allowable differential pressure:

Nominal diameter(mm) 15 20 25 32 40 50 65 80 100 125 150 200 250
PN16 maximum differential pressure △ P MPa 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.5 1.5 1.2 1.0 1.0
PN40 maximum pressure difference △ P MPa 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 1.5 1.5 1.2 1.0 1.0


Dimensions:



Size and weight of V230 / v231 control valve:

Nominal diameter(mm) 20 25 32 40 50 65 80 100 125 150 200 250
L  mm 150 160 180 200 230 290 310 350 400 480 600 730
B  mm 212 238 238 240 240 275 275 380 380 295 325 372
Approximate weight(kg) 6.7 9.7 13 14 17 29 33 60 70 80 140 220


Dimension and weight of D02(D04) actuator:

Effective area cm2 32 80 250 630
D mm 172 172 263 380
H mm 435 430 470 520
Approximate weight kg 7.5 7.5 13 28


Size and weight of D01(D03) actuator:

Effective area cm2 32 80 250 630
D mm 172 172 263 380
H mm 440 435 440 520
Approximate weight kg 7.5 7.5 13 28


Temperature range of main parts:

Material Temperature range (℃)
HT200 -20~200
QT400-18 QT400-15 -20~350
ZG230-450 -40~450
ZG1Cr18Ni9Ti  ZG0Cr18Ni12Mo2Ti -250~550
2Cr13 -20~450
1Cr18Ni9 -196~550
0Cr18Ni12Mo2Ti -196~600
Teflon -40~200
Carbon fibre -120~350
Flexible graphite -200~600
5860 plastic clip 480d551 cotton canvas -40~80


Packing & Delivery : 
Packing Details:all by seaworthy plywood case and packed strongly by packing belt as below
Delivery Details:Generally it is 5-10 days if the goods are in stock. or15-30 days if the goods are OEM or not
enough subject to the order quantity. But anyway, normally, we are able to make sure the delivery will not exceed 45days.



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    If you are interested in our valves and want to know more details,please leave a message here,we will reply you as soon as we can.