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Jacketed gate valve

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Product description

Jacketed gate valve

BZ41W16-100C.P.R

The product description

BZ41H,BZ41W,BZ41Y PN16-PN40 Insulation jacket wedge type gate valve: manual, flange connection, open stem wedge rigid single gate, valve seat sealing surface material is carbon steel, chromium nickel molybdenum titanium stainless steel, with thermal insulation function. It is mainly used in petroleum, chemical, metallurgy, pharmaceutical and other systems to keep heat and prevent crystallization of medium, so as to transport high viscosity medium that can be solidified at room temperature.

Product features

The jacket is welded between the two flanges of the valve, and the side and bottom of the valve are provided with a connecting port with the jacket.

The connecting flange size is one to two specifications larger than that of the common valve of the same specification, and the structure length is the same as that of the common valve of the same specification.

The jacket can freely flow through steam or other hot insulation medium to ensure smooth flow of sticky medium through the valve.

Main parts and materials


parts

material

Valve body, bonnet, gate

CF8, carbon steel, WCB

Sealing face of seat and gate

Hardfacing of iron base alloy

Hardfacing of iron base alloy

The valve stem

304, chrome stainless steel 2Cri3

packing

Asbestos graphite, flexible graphite

The handwheel

Ductile iron or cast steel

Main dimensions

BZ41W-16

unit:MM

DN

L

D

D1

D2

B

Z-φd

H

D0

Heat steam joint threads

The weight of the/kg

 

50

250

195

160

135

20

8-φ18

385

280

M12×1.25

54

80

310

245

210

185

22

8-φ18

435

320

M12×1.25

100

100

350

280

240

210

24

8-φ23

502

360

M12×1.25

120

150

450

335

295

265

26

12-φ23

675

400

M12×1.25

260

200

550

405

355

320

30

12-φ25

820

400

M12×1.25

300

250

650

460

410

375

30

12-φ25

970

500

M20×1.5

400

300

750

520

470

435

34

16-φ25

1145

500

M20×1.5

490

350

850

580

525

485

36

16-φ30

1280

500

M20×1.5

580

400

950

640

585

545

40

20-φ30

1450

500

M20×1.5

920