double block and bleed valve

Brand Name:VT

Place of Origin:Sichuan,China

Double Block And Bleed Valves Integrated Two Ball Valves For Pipeline Product Description The double block and bleed valves are also known by the short name “DBB valve”. Two ball valves could be integrated into a single body with a needle valve as a bleed between valves of this design is called a double block and bleed valve...

Brand Name:Foowell

Place of Origin:China

...,reduce leakage points in the system, realize emission and shutdown quickly.The valve cavity is isolated by double seats. Even when there is pressure inside the pipeline, pressure can be discharged safely. This kind of operation can serve as a means to

Brand Name:Valbart

Model Number:Double Block and Bleed

Place of Origin:China

...Valve Double Block and Bleed control valve with masoneilan SVI2-21113121 control valve positioner SPECIFICATION Product Name Flowserve Ball Valve Double Block and Bleed control valve with masoneilan SVI2-21113121 control valve positioner Sub-Type Rising Stem Brand Valbart Model Double Block and Bleed...

Brand Name:OEM

Model Number:Q41 / Q47 / Q41F / Q47F

Place of Origin:Shanghai , China

...Double Block And Bleed Ball Valve , Trunnion Mounted Ball Valve Double Block And Bleed Ball Valve Description: The ball valve is designed and manufactured according well to API 608. Floating ball when small caliber, and fixed ball when large caliber. It has fire protection structure and antistatic device. Widely used for petroleum, chemistry, water treatment industries. Double Block And Bleed Ball Valve...

Brand Name:VERVO

Model Number:Q41/61Y-300LB

Place of Origin:LISHUI,ZHEJIANG

...Double Block And Bleed Ball Valve High Pressure Flange metal seated floating ball valve Twin Ball DBB Valve Model number Q41/61Y-300LB Item Ball valve Certification CE,TS,ISO9001,ISO14001,ISO18001 Connection form flange Body material forging Seal material Double seal construction Feature Easy disassembly and assembly VERVO Twin Ball DBB Valve...

Brand Name:JIEYU

Place of Origin:Wenzhou China

Stainless Steel Double Bleed and Double Block (DBB) Ball Valves Size range(s): NPS 1/2 - 2 (DN 15 - 50) Pressure rating: ASME Classes 150 - 2500 Standard connections: Threaded, socket weld, flanged Material Selection for Gate Valves: Carbon Steel (A105) ...

Brand Name:KOLINK

Place of Origin:CHINA

...Valve Double Ball Double Block & Bleed High Pressure A double-block-and-bleed valve (DBB) is a “single valve with two seating surfaces that, in the closed position, provides a seal against pressure from both ends of the valve with a means of venting/bleeding the cavity between the seating surfaces.” This valve does not provide positive double isolation when only one side is under pressure. A double-isolation-and-bleed valve...

Brand Name:OEM

Model Number:OEM

Place of Origin:China

Double Block & Bleed Ball Valve Side Entry SPECIAL DESIGN FEATURES For specific and more demanding application to guarantee the reliability of the subsea package for the whole duration of the life with zero maintenance (up to 30 years) , include special ...

Brand Name:CWF LONGKING

Model Number:CWF-LZT-D100-T

Place of Origin:China

Bleeding Valve Pneumatic Metal -on-Metal Rotating Doble Disk Valve Pneumatic Double metal Disc valve CWF-LZT-D100-T Size (DN) : 100 mm, Temp : <200° C, Max Press : 1000 kPa

Brand Name:Kelite Valve

Model Number:1/2"-8", CL150-600

Place of Origin:China

Top entry trunnion ball valve of 1/2"-8" CL150-600 API 6D , 608 desgin TOP ENTRY BALL VALVE is mainly used in pipeline and industry system and it has a top entry and on line maintenance function. It has a lot of advantages,such as small fluid resistance,...

Brand Name:Beijing VP Co.,Ltd

Model Number:Customized according to demand

Place of Origin:Beijing, China

Pigging Valve - The Finest Materials -Double Block - BJVP Overview: The BJVP Pigging Valve is engineered and manufactured from the finest materials with advanced equipment and quality craftsmanship. BJVP pipeline pigging valves facilitate asset integrity, ...

Brand Name:Brando

Model Number:VFA3330-02

Place of Origin:China

...Double Air Operated Pilot Valve Air pilot operated valves control single-acting or double-acting cylinders by directing or blocking airflow in a pneumatic circuit. These air operated valves come with single pilot or double pilot actuators and anywhere from two to five ports connected to a passage. Pilot operated pneumatic valves...

Place of Origin:Tianjin, China

Brand Name:OEM

#detail_decorate_root .magic-0{border-bottom-style:solid;border-bottom-color:#53647a;font-family:Roboto;font-size:24px;color:#53647a;font-style:normal;border-bottom-width:2px;padding-top:8px;padding-bottom:4px}#detail_decorate_root .magic-1{vertical-align...

Brand Name:AFC

Model Number:FBBD, FBGD

Place of Origin:China

*, *::before, *::after {box-sizing: border-box;}* {margin: 0;}html, body {height: 100%;}body {line-height: 1.5;-webkit-font-smoothing: antialiased;}p[style^="text-align"] img{display:inline-block}input, button, textarea, select {font: inherit;}p, h1, h2, ...

Brand Name:Joil

Model Number:JISI50 JISR50

Place of Origin:China

... material body. 2. A timer controller for quick opening and closing of valve and a waterproofed, up to 180'C heat resistance coil are used. 3. Diaphragm is manufactured with special nylon and synthetic rubber, so it is excellent even in any temperature and

Categories:Valves

Country/Region:china

Double block and bleed valve also called DBB valve, generally say, it is make up by two ball valve and one needle valve or two ball valve and a globe valve. Double Block and Bleed valves (DBB Valves) have evolved to replace and add the process of bolting together individual valves to make the valves in one body. Double block & bleed valves (DBB Ball Valves...

Brand Name:TongJiang

Model Number:Double Block and Bleed Ball Valve

Place of Origin:CHINA

Double Block and Bleed Ball Valve , API 6D Trunnion Ball Valves , Duplex Stainless Steel PRODUCT INTRODUCTION 1. Product Description : Forged Double Block and Bleed (DBB) Valves Machined from a single piece of 'grain flow controlled' forging, our Forged Double Block and Bleed (DBB) Valves feature two inline ball pattern primary and secondary isolating valves and a heavy duty needle vent valve...

Brand Name:FRANK STEEL

Model Number:Classes: 150--600LB

Place of Origin:P.R.CHINA

... or metal seated Tightly shut off Bi-directional service Blow-out proof shaft Double block and bleed Available for high and moderate pressure fluid service 3. Product features and Application shaft is behind the butterfly plate surface. This kind of

Brand Name:BJSTC

Model Number:Dn315

Place of Origin:China

... sealing performance, and other advantages. Below is its detailed introduction: 1. Structural Features All-plastic Construction: It mainly consists of a valve body, valve ball, valve stem, operating cap, and sealing ring. The valve body, connecting pipes,