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Y42X Pressure relief valve

Product Overview

Y42X pressure regulating valve is a pressure regulating valve with piston instead of diaphragm.More than three times longer life than the diaphragm type.For diameters less than DN50, it is recommended to use Y110 and Y116 (threaded connection) diaphragm pressure valves;For diametral dry equal to DN50, it is recommended to use Y42X(flange connection) piston type pressure reducing valve.This kind of valve belongs to adjustable pressure reducing valve, the pressure behind the valve can be adjusted according to the need, after putting into use the valve after the pressure is always reduced and stable in the set value, the pressure before the valve, flow fluctuation and change.Valve material selection, reliable performance, long service life.

Structural characteristics

Y42X Pressure relief valve is mainly composed of adjusting spring, diaphragm, piston, valve seat, valve disc and other parts. The diaphragm is used to directly sense the downstream pressure to drive the valve disc and control the opening of the valve disc to complete the function of pressure reduction and pressure stabilization. This product can replace the conventional partition water pipe and save equipment in the cold and hot water supply system of urban buildings and high-rise buildings. It can also reduce pressure and stabilize pressure in common cold and hot water pipe network. This product can adjust and stabilize the pressure smoothly, and is suitable for the pipeline of water and non corrosive liquid medium.

Execution standard

Flange standard: GB/ T17241.6GB /T 9113
Test standard: GB/T13927 API 598

Performance parameter

Nominal diameter: DN20~400mm
Nominal pressure: PN1.6~ 6.4mpa
Applicable temperature: 0~ 90℃
Suitable medium: air or corrosive liquid
Main material: cast iron, ductile iron, carbon steel

Product Dimensions

DN

L

H1

H2

PN16、25

PN40

PN64

PN16

PN25

PN40

PN64

PN64

PN16

PN25

PN40

PN64

20

160

160

170

90

90

90

90

90

220

220

220

220

25

180

200

200

95

95

100

105

105

255

255

265

265

32

200

220

220

100

100

100

110

110

255

255

265

265

40

220

240

240

115

115

130

130

130

325

325

330

330

50

250

270

270

120

120

135

135

135

325

325

330

330

65

260

280

300

125

125

130

145

145

330

330

340

355

80

310

330

330

135

135

150

160

160

340

340

340

360

100

350

380

380

108

108

185

185

185

317

317

360

360

125

400

450

450

190

200

200

245

245

560

560

565

565

150

450

500

500

205

210

240

280

280

580

580

585

585

200

500

560

560

220

245

245

310

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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