Gold Member Since 2015
Audited Supplier
Yongjia Goole Valve Co., Ltd.

Dbb Valve, SBB Valve, Flanged Dbb Valve manufacturer / supplier in China, offering 3 PCS Flange-Fnpt Dbb Ball Valve (GADBB411F), PTFE Lined Pneumatic Single Seat Control Valve (ZJHPF46), PTFE Lined Double Window Sight Glass (GVSJ) and so on.

(/ )

Supplier Homepage Product Ball Valve DBB Ball Valve 3 PCS Flange-Fnpt Dbb Ball Valve (GADBB411F)

3 PCS Flange-Fnpt Dbb Ball Valve (GADBB411F)

FOB Price: US $1-10,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1-10,000/ Piece
Get Latest Price
Port: Shanghai, China
Transport Package: Plywood Case
Payment Terms: L/C, T/T

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: GADBB411F
  • Driving Mode: Manual
  • Temperature: Normal Temperature
  • Trademark: GOOLE, OEM
  • HS Code: 8481804090
  • Material: Carbon Steel
  • Channel: Straight Through Type
  • Application: Industrial Usage
  • Origin: China(Mainland)
Product Description

Dublok double block and bleed valve assemblies have three valves - primary isolation, secondary isolation and bleed - all integrated into a single block.  If required the inlet or outlet end connection can incorporate a spring loaded in-line piston check valve.  The end connectors are interchangeable and can be specified to suit exact requirements.

Our Ball valve double block and bleed assembly is very compact and is recommended for general services.  The valve can incorporate Needle, Globe, Gate and Check valves into the design to suit particular duty specifications as required.


Feature:

Process Isolation

Drain Line Isolation

Double Block & Bleed

Blow Out Proof Stem Design

ISO 5211 Mounting Pad

Fire-safe Certified API 607

Anti-Static Device

Bi-directional Sealing

Low Fugitive Emission Packing

Locking Device Standard

Double Block and Bleed ball valve Applicable Specification

Design standard: ANSI B16.34     GB/T12237
Physical dimension: ANSI B16.10    GB/T12221
Flanges dimension: ANSIB16.10     GB/T15188.1
Test and inspection: API598        GB/T909

Applications

HP instrument connections for in line maintenance
Process vents
Process drains
Level instrument gauges
Injection points (with check)


Specification:

Size:2" ~ 24"(DN50~DN400)
Pressure:ANSI Ratings 150# ~ 2500# (PN16~PN420)
Structure:3 Pieces Body Design
Connections:RF RTJ BW Connections
Body Material: ASTM A105, A182 304, A182 316, A182 304L, A182 316L,A182 F6A,A182,F51,A182 F53,F22 Alloy 
Ball Material: ASTM A105, A182 304, A182 316, A182 304L, A182 316L,A182 F6A,A182,F51,A182 F53,F22 Alloy
Seats Material: PTFE/ RTFE(≤120ºC) , NYLON (≤80ºC), PEEK/PPL  (≤250ºC)
Driving means:Manual,worm gear.etc.
Flow direction:bidirectional
Applicable medium:Seawater,all kinds of harsh environment


Double Block and Bleed ball valve structure characteristics

1. The double block and bleed valve have evolved to replace and add the process of bolting together individual valves to make the valves in one body .it saved a lot of space and material.
2. Special designs including injecting quills ,sample probes ,double block and single block, in-built check valves and seat wipers.
3. Dual isolation is necessary requirement when maintenance is taking place down stream of the first isolation valve. Cavity venting is provided by either a ball or globe OS&Y vent valve so that trapped pressure between the two isolation valves is safely vented.
4.  These valves have also evolved to encompass the function of chemical injection (using a suitable quill) and sample points .In-built check valves are often integrated in these valves.
5. Fire Safe according to BS6755/API 6FA/API 607, since each sealing point is provided by a secondary fire-safe seal in graphite. Valve soft seats also are provided with secondary metal-to metal seal in case of fire.
6. Valve design can be either Trunnion or floating type ,anti blow -out stem and typically SPE seat design .Drain port is normally provide with a floating ball valve ,to be fitted with final user drain line .valve seats can be soft or metal to metal hard-faced. 




Main Parts and Material.
 


NO
Part nameMaterial
GBASTM
1Valve bodyWCBA2116-WCB
2Sealing ringPTFEPTFE
3Sphere1C18Ni9TiSS304
4Nut35A194-2H
5Stud35CrMoAA193-B7
6The stone bodyWCBA216-WCB
7ShimGraphite + stainless steelB12.10-304F/.G
8FillerPTFEPTFE
9Packing glandWCBA2116-WCB
10Locating piece25A105
11Ring65MnAISI 1066
12HandleK33A47-667 
Gr.32510
13Valve stem1Cr33A276-410
14Screw35A193-B7
 Thrust washerPTFEPTFE

Technical Specification
 
Design basisGB seriesAmerican Standard Series
Design standardGB/T12237AP16DANSI B16.34
Flange connection structure lengthGB/T12221AP16DANSI B16.10
The length of the structure ( welding )GB/T15188.1AP16DANSI B16.10
Connecting flangeGB/T9113 
JB/T79 
Hg20592
ANSI B16.5
Butt welding endsGB/T12224ANSI B16.25
Test and inspectionGB/T9092AP16DAP1598

Main Dimensions
 
Nominal diameter15202540506580100125150200
d113192538646476102127152203
L108117127165191191203229356394457
H59637595142142152178252272342
W130130160230400400400650105010501410
Wt(kg)2.5357151919335893160
Send your message to this supplier
Avatar
Mr. Ellison
Sales Manager
*From:
To: Mr. Ellison
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

Find Similar Products By Category