api 6d valve test requirement

API 6D Valve Testing Requirements

API 6D Pressure test requirements inluding test procedure, test pressure and durating for gate, ball, check and plug valves. ...

side entry, top entry,welded body ball valve

Side Entry, Top Entry, Welded Body Ball Valve

According to the ball valve body construction, ball valves can often be divided into side-entry ball valves, top-entry ball valves, and fully welded ball valves. ...

sealant injection for ball valve

What Is Sealant Injection In Ball Valves

The sealant injection provides a secondary and emergency seal to the stem and/or seat area of a ball valve by means of a suitable facility when soft sealing rings are damaged (seat inserts and o-rings) by accident. ...

body cavity pressure relief

What Is Automatic Cavity Relief In Ball Valves

Automatic cavity pressure relief is provided to relieve the trapped fluid into the internal pipeline, when the pressure of the trapped fluid goes up abnormally as the unstable factor. ...

quarter turn valve

Quarter Turn Valves Types

Quarter-turn valves require a quarter rotation to fully open or close the valve. They are rapid to open and close. Types: ball, plug and butterfly valves. ...

valve end connection types

Valve End Connection Types

According to valve end connection types, valves may be classified as: flanged end valves; welded end valves; threaded end valves; and hub end valves. ...

anti-blow-out stem design valve

What is Anti-blow-out Stem In Ball Valves

Valves are designed with a stem anti-blow-out device to prevent stem ejection by internal pressure when the stem packing and/or retainer has been removed. ...

anti-static device ball valves

What is Anti-static Device In Ball Valves

An anti-static device used in a ball valve is to reduce the static charge generated on the ball due to friction. It is used to protect the valve against a spark that may ignite the fuel flowing through it. ...

fire test for ball valve

What Makes A Ball Valve Fire Safe

Fire safe ball Valves have the ability to maintain their pressure holding capacity during and after exposure to fire. ...

ball valve standard specifications

Ball Valve Standards & Specifications

Relia ball valves are manufactured in accordance with API, ANSI, ASME and BS standards. Specifications for ball valves of design, fire-safe testing, wall thickness, testing, end connections, inspection and numerous other associated requirements. ...

valve abbreviations

Valve Abbrevations

Valve Abbrevations including valve types, such as ball, gate, globe, check, plug, and butterfly valves; valve structures; valve material, end connections etc. ...

valve types, differences, application

Valve Types And Applications

Common valve types are ball valves, gate, globe, check, plug, butterfly valve etc. They are different uses (on/off,control), different fluids, different pressure and temperature conditions. ...

Metal Seated Ball Valve VS Soft Seat Ball Valve

Metal Seated Ball Valve VS Soft Seat Ball Valve

Soft seated ball valve is an economical option for clean fluid within general temperature range normally less than 250°C. Metal seated ball valve is better for severe condition with high temperature, abrasive solids or high viscosity. ...