double isolation and bleed ball valve

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 are offered in 3 PC side entry body, the design adopts the structure of two balls...

Brand Name:VT

Place of Origin:Sichuan,China

Double Block Double Bleed Ball Valve Usage Pipeline Ball Valve Product Description DBB double ball valve (double block double Bleed ball valve) is designed to replace the complex form of multiple valve connections in traditional pipelines.Along with strong security features, our valves reduce the need for added valves...

Brand Name:OEM

Model Number:OEM

Place of Origin:China

Double Isolation & Bleed Ball Valve Side Entry Features: 1. Cast Type with 2 Pcs Split Body Deisgn or Forged Type with 3 PCS Body Design, Cast Material: ...

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:Coosai

Model Number:Q41/Q47

Place of Origin:China

Dual Discharge Valve Double Block Ball Valve Double block and bleed ball valve bore :4"~24"100~600mm Double block and bleed ball valve pressure:150L B~2500LB 1 .6MPa~32MPa Double block and bleed ball valve Technicalstandard: Design standard:APl6D Face To ...

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,

Brand Name:KOLINK

Place of Origin:CHINA

...Ball 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: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:Kelite Valve

Model Number:1/2"-24", CL150-1500

Place of Origin:China

...balls DBB trunnion ball valve of 2"-24" CL150-1500 DESCRIPTION The “Double Block and Bleed Isolation Philosophy” requires two in-line isolation valves and a bleed valve, used to drain or vent trapped fluid between the two closure elements in order to safely isolate safely the downstream pipe. This feature can be achieved with one single valves c/w a bleed...

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

...Ball 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...

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) provide great savings in weight, space and installation times especially in cage isolation

Brand Name:DEYE

Model Number:DY-V-03

Place of Origin:CHINA

...valve is used to shut off or modulate the flow of a fluid (isolation and regulation). API 609 Centric butterfly valves (soft seated) are preferred to gate and ball valves for low-pressure and non-critical applications as they are cheaper, lighter and easier to install. Eccentric butterfly valves (double offset and triple offset valves) with metal seats have surged in popularity and compete with globe and ball valves...

Brand Name:TOBO

Model Number:Automatic Air Valves

Place of Origin:China

Double Orifice And Integrated Valve SS316 DN 200 PN16 Automatic Air Valves Quick Details The double orifice automatic air valves with integrated valve are used for applications related to troubles with air in the pipelines. The double air valves with integrated valve working as isolating valve allow maintenance or replacement of balls in line. The minimum pressure on seat is 0,3 bar. The double ball air valves...

Brand Name:HYHAU

Place of Origin:KunShan,China

... Valves With Double Silicone O - Rings This sanitary valve is typically used for taking samples from fermenters or in locations where you don't want the high flow of a ball or butterfly valve. When used with a tee, it also makes a great bleed valve on ...