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Your location : ??新金沙线上娱乐?? >> Products >> Ball valve series >> Metal hard seal ball valve

Metal hard seal ball valve

Metal hard seal ball valve

Product Overview

Q41H metal hard seal ball valve is a high performance ball valve product developed by our company. The valve seat adopts a metal spring structure loaded by a leaf spring, which can be easily opened and closed at high temperatures. The ball and valve seat are specially hardened, and the sealing surface is not scratched. Manual hard-seal ball valve has two-way sealing function. Main application: Metal hard and dense working temperature -29 ~ 425 ℃ (carbon steel) or -40 ~ 550 ℃ (stainless steel), used to cut off or connect the medium in the pipe Hard-sealed ball valves can be applied to various media such as water, steam, oil, nitric acid, acetic acid, oxidizing media, and urea.

Second, the advantages of metal hard seal ball valve

1. Advanced valve seat: The valve seat designed based on many years of ball valve manufacturing experience ensures the valve is sealed, the friction coefficient is low, the operating torque is small, a variety of valve seat materials, and the range of application is wide.

2. Handle without error: using flat-head valve stem, the connection with the handle will not be misaligned, so as to ensure that the switch status indicated by the handle is consistent with the valve.

3. Locking device: In order to prevent the valve from operating incorrectly, there are locking holes in the fully open and fully closed positions of the valve to ensure that the valve is in the correct position.

4. Anti-flying structure of valve stem: The valve stem is a bottom-loading type to prevent pressure from flying out. At the same time, it can form metal contact with the valve body after a fire to ensure the valve stem is sealed.

Design Specifications for Metal Hard Sealed Ball Valves

Design and manufacturing standards

GB / T21385-2008

Structure length standard

B / T 12221-2005

Connection flange standard

GB / T9113 ANSI B16.5 HG20615-21635

Pressure temperature class

GB / T12224-2005

Experimental test standard

GB / T 13927-2008

Fourth, the main parts and materials

Serial number

Part Name

Material

Serial number

Part Name

Material

GB

ASTM

GB

ASTM

1

Valve body

WCB

A216-WCB

8

spring

60Si2Mn

AISI 9260

2

Sealing ring

Flexible graphite

Flexible graphite

9

Gasket

Flexible graphite + stainless steel

B12.10-304 / FG

3

Valve seat

1Cr18Ni9Ti

304

10

filler

Flexible graphite

Flexible graphite

4

Sphere

1Cr13

A276-420

11

Packing gland

WCB

A216-WCB

5

Nut

35

A194-2H

12

Retaining ring

65Mn

AISI 1066

6

Stud

35CrMoA

A193-B7

13

Valve stem

1Cr13

A276-410

7

Seat cushion

1Cr18Ni9Ti

304

14

Screw

35

A193-B7

Five, performance specifications

Pressure Level

Nominal pressure

Pound pressure

1.6

2.5

4.0

6.4

10.0

150

300

400

600

Stress test

Shell test

2.4

3.75

6.0

9.6

15.0

3.03

7.5

10.2

15.0

Seal test

1.76

2.75

4.4

7.04

11.0

2.2

5.5

7.48

11.0

Applicable conditions

Applicable medium

Pulp, pulp, dust and various solid particles

proper temperature

-29 ℃ --425 ℃ -40 ℃ --550 ℃

Applicable specifications

Design and manufacture

GB12237-89 API6D JP17S-48

Flange size

JB79-59 GB01133 HG20592-97 ANSI B16.5 JIS B2002

Structure length

GB12221-89 ANSI B16.0 JIS B2002

Inspection test

GB / T9092-99 API598

Dimensions

PN1.6Mpa overall dimensions

Nominal diameter DN

15

20

25

32

40

50

65

80

100

125

150

200

L

130

140

150

165

180

200

220

250

280

320

360

400

H

59

63

75

85

95

107

142

152

178

252

272

342

W

130

130

160

180

230

230

400

400

650

1050

1050

1410

D, D1, D2

Implement GB / T9113 GB / T79

Flange connection size

Implement GB / T9113 GB / T79

PN2.5Mpa overall dimensions

Nominal diameter DN

15

20

25

32

40

50

65

80

100

125

150

200

L

130

140

150

165

180

200

220

250

280

320

360

400

H

59

63

75

85

95

107

142

152

178

252

272

342

W

130

130

160

180

230

230

400

400

650

1050

1050

1410

D, D1, D2

Implement GB / T9113 GB / T79

Flange connection size

Implement GB / T9113 GB / T79

PN4.0Mpa overall dimensions

Nominal diameter DN

15

20

25

32

40

50

65

80

100

125

150

200

L

130

140

150

165

180

200

220

250

280

320

360

400

H

59

63

75

85

95

107

142

152

178

252

272

342

W

130

130

160

180

230

230

400

400

650

1050

1050

1410

D, D1, D2

Implement GB / T9113 GB / T79

Flange connection size

Implement GB / T9113 GB / T79

Shanghai Nuoyou Valve Industry Co., Ltd. All rights reserved. Company address: No. 1620 Luoning Road, Baoshan District, Shanghai, Shanghai ICP No. 14012310 Tel: 021-56671910 (switchboard) 021-56935903 (line of sales department), Fax: 021-56671910-808 Email: salesnyv@foxmail.com

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