Check valve

Product Overview

The check valve of power station is suitable for the pipelines of petroleum, chemical, hydraulic and thermal power plants with nominal pressure of pn20.0 ~ 32.0mpa, working temperature ≤ 540 ℃ (including P (57) 170V and working temperature of 570 ℃). Suitable media are: water, oil, steam, etc. is suitable for the pipelines of petroleum, chemical, hydraulic and thermal power plants with nominal pressure of pn20.0 ~ 32.0mpa, working temperature ≤ 540 ℃ (including P (57) 170V and working temperature of 570 ℃). Suitable media are: water, oil, steam, etc.

Structural characteristics

1. The product is designed and manufactured according to E101 and JB / t3595 standards, with reasonable structure and excellent performance;
2. The middle chamber of the valve adopts pressure self tightening sealing structure. The higher the medium pressure is, the better the sealing performance is;
3. Both ends of the branch pipe are butt welded to meet different requirements of the nozzle;
4. The sealing surface of valve disc and valve seat is made of Stellite cobalt based cemented carbide, which is wear-resistant, high-temperature resistant, scratch resistant and has long service life;
5. High temperature and pressure resistant parts are made of high-quality heat-resistant alloy steel, safe and reliable, stable performance and long service life.

Execution standard

Design Code: JB / t3595
Structural length: GB / t1221 / GB / T 15188.1
Welding interface: JB / t3595
Test and inspection: JB / T 3595
Pressure temperature: JB / T 3595

Performance parameter

Nominal diameter: DN 10 ~ 350 mm
Pressure range: PN20 ~ 32Mpa
Applicable temperature: ≤ 570 ℃
Valve body material: WCB, 12Cr1MoV, wc6, wc9
Applicable media: water, oil and steam

Product Dimensions

Product name

Model

DN(mm)

L

H

WT (kg)

Power  station lift

H61Y-250

H61Y-320

H61Y-P54140V H61Y-P54170V H61Y-P57170V

10

120

156

2.5

15

216

200

8.5

20

229

210

9

25

254

210

10

32

279

245

14

40

305

270

21

50

368

300

28

65

419

412

-

80

470

370

-

100

546

418

-


Product name

Model DN(mm) L H WT(kg)

Swing check valve

H61Y-250 50 368 250 50
65 419 282 57
80 470 325 65
100 546 350 80
175 900 440 180
H61Y-320 125 794 409 170
225 1000 550 415
300 1270 680 1200
350 1422 745 1638
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Previous:Globe valve

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