Posiwell Dbb Gate Valve

A bleeder is added between the two balls of the valve.

Posiwell dbb gate valve.

Posiwell double block bleed gate valves have been designed by engineers at the forefront of valve service repair modifications and automation. Gate valves check valves globe valves non return valves dual plate check valves and high performance butterfly valves. Designed by engineers with in depth understanding from over 3 decades of servicing repairing of traditional valves as dbb valves and modifying standard valves to dbb type. Posiwell patented double block and bleed dual expanding gate valves were designed by engineers with in depth understanding from 2 decades of servicing repairing of traditional dbb valves and modifying valves to dbb type.

With the most complete multi turn product line for a single source manufacturer our valves are produced to the. Posiwell patented full bore dual expanding discs gate valves are dbb double block bleed and dib 1 double insolation bleed valves. Our experience gives a deep understanding of the root causes of double block bleed valve failures. Posiwell double block and bleed gate valves.

Designed by engineers with in depth understanding from over 3 decades of servicing repairing of traditional valves as dbb valves and modifying std. According to api a dbb valve 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. There are two entities in the united states that define dbb api and osha. Our product line includes.

This system is equivalent to a double isolation bleed dib single ball valve. Plug valves full bore allowing pipeline pigging large bottom cavity and drain for easy release of foreign particles entrapment. Posiwell patented full bore dual expanding discs gate valves are dbb double block bleed and dib 1 double insolation bleed valves. Double block and bleed dbb ball valve is made of two balls in one valve body.

Flotech performance systems are sole uk distributors for posiwell double block bleed gate valves. With corrosion and chemical additives being one of the main caused of failure. Valves to dbb type. Posiwell ddb gate valves is designed with patented independent spring loaded discs patented seating design that compensate automatically when fluctuation of pressure and temperature occur thus providing positive proof of line segregation.

Posiwell double block bleed dbb gate valves posiwell double block bleed gate valves have been designed by engineers with over three decades of experience at the forefront of valve service repair modifications and automation and a deep understanding of the root causes of db b valve failures.