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Ball Valve DBB Ball Valve

Ball Valve DBB Ball Valve

Country/Region china
Company Zhejiang Qiute Valve Co.,Ltd
Categories Floating Ball Valve
Update 2019-08-14 04:18:36
ICP License Issued by the Chinese Ministry
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DBB Ball Valve
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Name: Ball Valve
Product Name: DBB Ball Valve
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Product Description

DBB Valve( double block and bleed valve )

Pressure:150LB-1500LB
Size: DN15-DN1200
Design Std:API,DIN,BS,GB,JIS,EEMUA
Product Material:A105 WCA,WCB,WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3M, CF8C, CK20, CN7M, CD4MCu, CK3MCuN, Cu5MCuC, CN3MN, M35-1, MONEL400, MONEL500, CY40, CW6M

The ball valve is a kind of important valves, in the petrochemical, pipelines are widely used in such areas. Ball valve closure is a hole of the sphere ( or part of a ball ), ball rotation with the stem, the valve is open or closed. In all kinds of valves, ball valve minimum flow resistance, the entire diameter ball ball valve open, channel, channel and connections in equal and into a medium diameter, almost lost through.

The ball valve is rotated 90 degrees can be fully open, open and close rapidly. With the same specification, gate valve, globe valve, valve has the advantages of small volume, light weight, convenient installation of pipelines.



Materials for main parts:


NO

Part name

meterial

GB

ASTM

1

Valve body

WCB

A2116-WCB

2

Sealing ring

PTFE

PTFE

3

Sphere

1C18Ni9Ti

SS304

4

Nut

35

A194-2H

5

Stud

35CrMoA

A193-B7

6

The stone body

WCB

A216-WCB

7

Shim

Graphite + stainless steel

B12.10-304F/.G

8

Filler

PTFE

PTFE

9

Packing gland

WCB

A2116-WCB

10

Locating piece

25

A105

11

Ring

65Mn

AISI 1066

12

Handle

K33

A47-667
Gr.32510

13

Valve stem

1Cr33

A276-410

14

Screw

35

A193-B7

15

Thrust washer

PTFE

PTFE

Technical specification:

Design basis

GB series

American Standard Series

Design standard

GB/T12237

AP16D

ANSI B16.34

Flange connection structure length

GB/T12221

AP16D

ANSI B16.10

The length of the structure ( welding )

GB/T15188.1

AP16D

ANSI B16.10

Connecting flange

GB/T9113
JB/T79
Hg20592

ANSI B16.5B16.47

Butt welding ends

GB/T12224

ANSI B16.25

Test and inspection

GB/T9092

AP16D

AP1598

Main dimensions:

Nominal diameter

15

20

25

40

50

65

80

100

125

150

200

d1

13


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