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Category: Valve Technology

Fully Welded Ball Valve (soft and metal seated)

Full Welding Ball Valve

Introduction of Fully Welded Ball Valve Fully welded ball valve (soft and metal seated) base on welded valve suitable for Oil & Gas production, processing, transportation, distribution, chemical and petrochemical refining on the above ground and below ground installations. The world famous design is the Cameron T31 ball valve. Technologies of Fully Welded Ball Valve Trunnion ball valves have the obturator bounded by trunnions which do not allow axial displacements of the ball itself in the flow direction; line pressure…

High Pressure Ball Valve, API 6D

Rays High Pressure Floating Ball Valve

Introduction In this article, you will learn about the different applications of high pressure ball valve API 6D. Design pressure from 20 bar (g) to 1035 bar (g), in combination with other service conditions in hydrocarbon processes, refining, petro-chemistry, determinates ball valve construction, and material selection. The construction of the valve type includes: Cryogenic Ball Valve, LNG Ball Valve, Refining Ball Valve, Liquid Nitrogen Ball Valve, also include Control Ball Valve with Actuator motor. This application can exist in combination…

High Temperature Ball Valve (Metal Seated)

RAYS Rising Stem Ball Valve

Introduction: Heating to boiling points, catalytic and hydro-treatments are some of the refining processes necessary to separate crude oil into storable fractions like marketable oils and condensate; most of these processes at high temperature, from 121°C to 1100°C (249,8°C to 2012°F), the High Temperature Ball Valve Metal Seated will be a better solution. RAYS can provide the metal seated ball valves engineered to withstand and exceed high temperature applications, with specific constructions and duly selected materials also suitable for geothermal…

RAYS Provides Fugitive Emission API 624, API 641 Low Leakage Valves.

Introduction In order to improve the control of volatile organic compounds (VOCs Control), RAYS has launched a full range of Fugitive Emission low-leakage Gate valves, Ball valves, Globe valves, and Butterfly valves that meet API 624 and API 641 standards, also can be ISO 15848, TA-LUFT, MESC SPEC 77-312. Fugitive Emission Low Leakage Valves Fugitive emissions are gas or vapor emissions from pressurized equipment that result from faulty equipment, leakage or other unforeseen events.The majority of these emissions come from…

Cryogenic Ball Valve, Extended Bonnet with BS 6364 Test

Do you want to know what the cryogenic ball valve with extended bonnet is and the tips of material choice and inspection? After reading this article, I believe that you will have a huge gain in the field of cryogenic ball valve design. When Natural Gas has to be separated into fractions or treated to protect equipment from contaminants (acids), sweetening and acid removal at -51° to -196°C (-59,8° to -320,8°F), are the final stage to do that, starting from…

RAYS large-sized & high-pressure butterfly valves have delivered to PETRONAS project

  Recently, RAYS have successfully completed 4 pcs 36” 600LB large sized high pressure. Butterfly valves which strictly follow ITP procedures for production and testing which have passed various tests required by the customer from PETRONAS Malaysia for DGDM Pipeline valve replacement at MLNG Bintulu.     This project is for a customer’s maintenance project which deals with replacing the original butterfly valve made in Europe where only a few valve factories can produce such big valves. Through a series of…

RAYS large sized and middle to high pressure Fully Welded Ball Valves finished for Delivery

  Recently,RAYS have successfully completed four pcs of fully-welded ball valves withspecifications of 32″ CL600 and 40″ CL600, which had passed varioustests and finished painting. They will be delivered to an internationalcustomer later this month and put into use within a large-scale natural gasproject.     Due to the ball valve adoptinga fully-welded structure, the overall leakage point is very little whichgreatly reduces the risk of leakage. The valve stem is designed forblowout prevention to prevent the valve stem from…

A Brief Analysis of Fugitive Emission Valves

Since the modern industrial revolution, the global economy has developed by leaps and bounds. At the same time, mankind has paid a more painful environmental cost. With the increase of greenhouse gas emissions, extreme weather has become more and more common, and it seems to be the inescapable fate of mankind. The main culprit of environmental pollution and the greenhouse effect are industrial greenhouse gases and pollutants emitted into the atmosphere. In order to alleviate the environmental impact of global…