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  • Address:29 Ruijin Road, Licang District, Qingdao
  • Telephone:+86-532-86083670
  • Contacts:
  • Mobile phone:+8613963965927
  • Website:
  • Mailbox:13963965927@126.com
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Throttle valve for main feed up water system
Product Model:
Product origin:
Date of issue:2020-10-26
Number of visits:
Consultation telephone:+86-532-86083670
key word:Throttle valve
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Detailed introduction

Throttle valve for main feed up water system

Description

Adopt straight flow body. There are two kind of body, free forging and casting body

Pressurized seal design, more reliable the seal.

If boiler is running lower 50% capacity, we can get the enough feed water pressure through this valve.

The valve quickly operate, meet the boiler lower capacity working condition.

The sealing surface is welded with SS. Wear resistant and corrosion resistant, reliable sealing, long service life.

Product structure drawing

Type: DL960Y DL965Y L965Y

DL960Y (Forging body, rotary) DL965Y (Forging body, lift structure) L965Y (Casting body, lift structure)

Design standard

Design & manufacture

End to end dimension

End dimension

Inspection and test

Press-temp ratings

NB/T47044

NB/T47044

NB/T47044

NB/T47044

NB/T47044

ASME B16.34

ASME B16.10

ASME B16.25

API 598

ASME B16.34

Main parts material

Body

Bonnet

Gate (Cage)

Four piece ring

Stem

A105/WCB

A105/WCB

A105/WCB

38CrMoAlA

38CrMoAlA

F36/WB36

F36/WB36

A105/F36/WCB

38CrMoAlA

38CrMoAlA

Technical specification and end dimension and overall dimension

Nominal Pressure

PN250

PN320

PN420

1500Lb

2000Lb

2500Lb

Shell test MPa

37.5

48

63

37.5

48

63

Nominal diameter

d

D

L

d

D

L

d

D

L

d

D

L

d

D

L

d

D

L

225

215

278

800

210

278

800

205

278

800

215

278

800

210

278

800

205

278

800

250

255

330

900

250

330

900

245

330

900

255

330

900

250

330

900

245

330

900

300

280

355

1000

275

355

1000

270

355

1000

280

355

1000

275

355

1000

270

355

1000

350

340

430

1100

335

430

1100

330

430

1100

340

430

1100

335

430

1100

330

430

1100

400

375

487

1150

370

487

1150

360

487

1150

375

487

1150

370

487

1150

360

487

1150

450

420

538

1200

415

538

1200

405

538

1200

420

538

1200

415

538

1200

405

538

1200

500

480

565

13001200

470

565

13001200

460

565

13001200

480

565

13001200

470

565

13001200

460

565

13001200

Remark: Above data only for reference, we can provide other different design according to the customer’s special requirements.


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  • Fixed Telephone:+86-532-86083670    Contact Number: +8613963965927    Company Address:29 Ruijin Road, Licang District, Qingdao