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Flange-Metal-seat ball valves
 


Construction Features

Processing through special techniques, the globe body and valve seat are especially applicable for high-temperatures and the medium containing dusts and solid particles.
1.The specially-designed compensatory movable valve seat construction made from metal which is of great reliability in its sealing performance.
2.the ball valves series should be applied in accordance to the specified flow direction.
3.Multiple driving devices could be prepared for this series.

Main Parts and Materials

No

Accessory name

Material

CB

ASTM

1

Body

WCB

A216-WCB

2

Seat

1Cr18Ni9Ti

304

3

Ball

2Cr13

A276-420

4

Screw bolt

35

A193-B7

5

Wrench

A47-667 Gr.32510

A47-667 Gr.32510

6

Ring

65Mn

AISI 1066

7

Stem

1Cr13

A276-410

8

limited plate

25

A105

9

Gland

WCB

A216-WCB

10

packing

graphite PTFE

graphite PTFE

11

Gasket

graphite+stainless steel

B12.10-304/F.G

12

Nut

35

A194-2H

13

Stud

35CrMoA

A193-B7

14

Gasket

1Cr18Ni9Ti

304

15

Spring

60Si2Mn

AISI 9260


Performance Specification of the Products

Pressure Rating

1.6

2.5

4.0

6.4

10.0

1.50

300

400

600

Test Pressure
(MPa)

Shell Test

2.4

3.75

6.0

9.6

15.0

3.03

7.5

10.2

15.0

Pressure Test

1.76

2.75

4.4

7.04

11.0

2.2

5 5

7.48

11.0

Applicable
Operating Mode

Applicable Mediums

Pulps like paper pulp, dusts, and medium with solid particles.

Applicable Temperature

-196 ～ ≤550℃

Applicable
specification

The designing and manufacturing work follows

GB12237-89 API 6D JPI7S-48

Flange dimension according

JB79-59 、 GB9113 、 HG20592-97 ANSI B16.5 JIS B2212-2214

Physical dimension according

GB12221-89 ANSI B16.10 AIS B2002

Test and inspection according

JB/T9092-99 API 598


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Keywords:Ball valves ,Oxygen Valves,Butterfly valves,Gate Valves,Check valves