Shanghai Zike Valve Manufacturing Co., Ltd
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Z41H/11H steam forged steel gate valve (flange/internal thread/socket welding)
Most forged steel gate valves are designed with Dalian style reduced diameter. Compared with cast steel gate valves of the same diameter, the flow rat
Product details

Z41H forged steel flange gate valve

Z11H forged steel internal thread gate valve

Steam forged steel gate valveProduct Introduction
Forged steel gate valves are all gate valves made of forged materials, collectively known as forged steel gate valves. Forged materials include A105, F11, F5, 304, 304L, 316, 316L, etc. The commonly referred to forged steel gate valve in China usually refers to small-diameter forged steel gate valves, with a diameter range of DN10~DN50; Pressure range: National standard PN16~PN320, American standard: Class 150~2500, can be produced and processed in American standard or national standard sizes. Forged steel gate valves with diameters exceeding DN50 need to be customized.

Steam forged steel gate valveProduct Features

Most forged steel gate valves are designed with Dalian style reduced diameter. Compared with cast steel gate valves of the same diameter, the flow rate is slightly smaller, but the pressure and temperature range they can withstand are higher. The sealing performance is also much better than cast steel gate valves, and the service life is longer. The direction of medium flow is not restricted like other gate valves.

Steam forged steel gate valveapplication
Forged Steel Gate ValveSuitable for small-diameter pipelines with Class 150-2500 and working temperatures of -29~425 ℃ (carbon steel) or -29~500 ℃ (stainless steel), used to cut off or connect media in pipelines. Different materials are selected and can be applied to various media such as water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc. The hydrophobic valve (Shanghai) Co., Ltd. mainly applies it to steam pipelines.


Detailed Material List

Serial Number

Part name

CS to ASTM

AS to ASTM

SS to ASTM

Type A105

Type F22

Type F304(L)

Type F316(L)

1

valve body

A105

A182 F22

A182 F304(L)

A182 F316(L)

2

valve seat

A276 420

A276 304

A276 304(L)

A276 316(L)

3

Ram

A276 410 & 430

A182 F304

A182 F304(L)

A182 F316(L)

4

valve stem

A182 F6

A182 F304

A182 F304(L)

A182 F316(L)

5

shim

316 clip flexible graphite

316 clip PIFE

6

valve cover

A105

A182 F22

A182 F304(L)

A182 F316(l)

7

bolt

A193 B7

A193 B16

A193 B8

A193 B8M

8

pin

A276 420

A276 304

9

Packing Bushing

A276 410

A182 F304(L)

A182 F316(L)

10

eyelet bolt

A193 B7

A193 B16

A193 B8

A193 B8M

11

hold-down grid

A105

A182 F11

A182 F304(L)

A182 F316(L)

12

nut

A194 2H

A194 4

A194 8

A194 8M

13

stem nut

A276 410

14

locking nut

A194 2H

A194 4

A194 8

A194 8M

15

nameplate

SS

16

handwheel

A197

17

Lubricating gasket

A473 431

18

filler

Flexible Graphite

PTFE

Applicable Medium

Water, steam, oil products, etc

Water, steam, oil products, etc

Nitric acid, acetic acid, etc

Temperature

-29℃~425℃

-29℃~550℃

-29℃~180℃

Note: Other materials required by the customer can also be used. The matching of sealing fabrics is determined by the customer's internal part code.
CS=Carbon Steel; AS=alloy steel; SS=Stainless Steel

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