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YK42F natural gas pressure reducing valve


YK42F natural gas pressure reducing valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

Fast delivery: advanced production lines, sufficient stocking, shortening the delivery time!
Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

product manual Pledge Order process

YK42F天然气减压阀 产品用途: Product use of YK42F natural gas pressure reducing valve :

是弹簧薄膜式减压的换代产品,与薄膜式相比有以下优点: YK42F natural gas pressure reducing valve is a replacement product of spring film pressure reducing, compared with film type, it has the following advantages:

、使用寿命长,不存在膜片损坏的问题。 1. Long service life without the problem of diaphragm damage.

、耐高压,出口压力高时,薄膜片高不行了,而活塞可适应很高的出口压力。 2. With high pressure resistance and high outlet pressure, the diaphragm is not high enough, and the piston can adapt to high outlet pressure.

-10~15 0℃ 的天然气和空气,燃气,非腐蚀性液体管路上,在高层建筑的冷热供水和消防供水的系统中,可取代常规分区水管,这样可以简化的节省系统的设备,降低工程造价,也可在各类压机设备的冷却系统中起着减压、稳压作用,的确是用户理想的产品。 The valve is used for natural gas and air, gas, and non-corrosive liquid pipelines with an operating temperature of -10 to 150 C. It can replace conventional partitioned water pipes in the hot and cold water supply and fire water supply systems of high-rise buildings, which can simplify the It can save the system equipment and reduce the engineering cost. It can also play the role of pressure reduction and voltage stabilization in the cooling system of various types of press equipment. It is indeed an ideal product for users.

YK42F天然气减压阀 工作原理: Working principle of YK42F natural gas pressure reducing valve :

本阀通过启闭件的节流,造成压力损失迫使进口压力在出口处降低某一个需要值,当流量和压力变化时,利用本身介质能量来控制出口压力基本不变的目的。 1. This valve passes the throttling of the opening and closing parts, causing pressure loss to force the inlet pressure to decrease a certain required value at the outlet. When the flow rate and pressure change, the purpose of controlling the outlet pressure by using its own medium energy is basically unchanged.

本阀介质走向由上进下出,当调节出口压力时,顺时针旋转调节螺栓迫使活塞向下移动,打开主阀,改变节流面积,造成压力损失,实现减压。 2. The medium direction of the valve is from top to bottom. When adjusting the outlet pressure, turn the adjusting screw clockwise to force the piston to move downwards, open the main valve, change the throttle area, cause pressure loss, and reduce pressure. “X” 通道流入活塞下腔并与活塞上方保持平衡,当压力和流量变化时,使主阀节流面积始终保持相应位置,由于本阀采用卸荷机构,减小了进口压力面积,从而减小了阀门出口压力偏差,大大提高了减压阀的稳压精度。 Since the medium behind the valve flows into the lower cavity of the piston through the "X" channel and maintains balance with the upper part of the piston, when the pressure and flow rate change, the throttle area of the main valve is always maintained at the corresponding position. Because the valve uses a unloading mechanism, the inlet is reduced The pressure area, thereby reducing the pressure deviation of the valve outlet, greatly improving the accuracy of the pressure regulator.

YK42F天然气减压阀 性能规范(单位:MPa ): Performance specifications of YK42F natural gas pressure reducing valve (Unit: MPa):

Nominal pressure

PN

test pressure

PS

Inlet pressure

P1

Outlet pressure

P2

Minimum pressure difference

P P

Back pressure

PB

Pressure characteristics

P2P1 P2P1

Flow characteristics

P2G2 P2G2

1.6

2.4

1.6 1.6

0.1 ~ 1.0

0.2

0.15 0.15

210 P 2 10

220 P 2 20

2.5

3.75

2.5 2.5

0.3 ~ 1.6

0.2

0.25 0.25

210 P 2 10

220 P 2 20

4.0

6.0

4.0 4.0

0.3 ~ 2.5

0.2

0.25 0.25

210 P 2 10

220 P 2 20

6.4

9.6

6.4 6.4

0.5 ~ 3.0

0.25

0.4 0.4

212 P 2 12

225 P 2 25

YK42F天然气减压阀 主要外形尺寸 4. The main dimensions of YK42F natural gas pressure reducing valve

YK42F天然气减压阀YK42F天然气减压阀结构图

DN

L

H1

H2

PN16 PN25

PN40 PN64

PN16

PN25

PN40

PN64

PN16

PN25

PN40

PN64

20

160

160

170

90

90

90

90

220

220

220

220

25

180

200

200

95

95

105

105

255

255

265

365

32

200

220

220

100

100

110

110

255

255

265

365

40

220

240

240

115

115

130

130

325

325

330

330

50

250

270

270

120

120

135

135

325

325

330

330

65

260

280

300

125

126

145

145

330

330

340

355

80

310

330

330

135

135

160

160

340

340

340

340

100

350

380

380

185

185

185

185

360

360

360

360

125

400

450

450

190

200

200

245

560

560

565

565

150

450

500

500

205

210

240

280

580

580

585

585

200

500

560

560

220

245

245

310

630

630

635

635

250

600

 

 

270

 

 

 

750

 

 

 

300

800

 

 

310

 

 

 

780

 

 

 

350

850

 

 

390

 

 

 

850

 

 

 

400

900

 

 

420

 

 

 

925

 

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