Fire Resistant & Flame Retardant Cable Test

There is common cable specification in oil and gas industry. The cable specification describes about Fire Resistant and Flame Retardant Cable. Fire Resistant Cable Fire Resistant Cable is made to comply with IEC 60331. Testing this cable type shall comply to the condition below: Temperature: 750°C Duration: 90 minutes Cable under nominal voltage Results: no (…)

Conduit Fill Chart

Conduit Fill Chart is refference to check how many maximum conductors of cables can be put in one single size conduit. If cables exceed the maximum of allowed number then it could be struggle when first pulling work and higher potential to mechanical damage. Below is the Conduit Fill Chart for THWN and THHN cable (…)

Geothermal Heat Pump Cost

At this time, there are many users of geothermal heat pump especially in US. In this system the pumps work with the control system. We are going to discuss it because this system promises an economic value for the cost that we spend on daily energy consumption. With the development of effective technology it will (…)

Explosion Proof Junction Box and Panel, Engineers Should Understand!

Every electrical and Instrument engineer must understand about explosion proof junction box and panel if he will work for hazardous area (oil and gas). That is because he will face areas that have high risk of fire and explosion. An explosion proof junction box or panel is serving as a delimiter, while an explosion proof (…)

Low Smoke Zero Halogen Cable for Oil and Gas

The very top of oil and gas business is safety. There is a popular adage in oil and gas world “This is not worth it if you get big profit but go home in partial condition”. According to safety, Low Smoke Zero Halogen Cable for oil and gas is sitting in the list that take (…)

Wet and Dry Contact Relay – Explanation and Case Study

In instrumentation and control system circumstance, the terms wet contact relay and dry contact relay are two that every instrument engineer should understand clearly. If an instrument engineer can’t figure them out then it must be a mistake! Here are explanations of wet and dry contact relay and some cases for make you easly figuring (…)

Difference Between PSV and PRV

PSV (Pressure Safety Valve) and PRV (Pressure Relief Valve) are valve types used for process safety. The two terms are often used interchangeably and different opinions among engineers. However, more important is the engineer has to know exactly what he want. Difference between PSV and PRV is as follows. A PSV serves to safety, namely (…)

Why Cadmium Plated Protection for Steel

There are many types of protection for carbon steel against corrosion. One of them is the use of cadmium as a coating. The use of cadmium as a protective for carbon steel from corrosion is not because of carelessly, but for specific reasons that cadmium have than other materials. The following describes some of the (…)

Guide to Gauge Specification

Gauges serve to give information about the system so that the process can be operated within process design and safe parameters. Utilizing the wrong specification of gauges can result serious accidents. Gauges that do not suit to application will result inaccurate information, gauge damages, higher maintenance costs and potentially lead to injuries. The list of (…)

Temperature Gauge Selection

This is a guide to temperature gauge selection including the thermometer sensor and thermowell. By following what explained here you will discover how to define the best part used in temperature gauge that suits your need to. 1. Stem Temperature gauge’s stem is available in some offers pertinent to the connection to the thermowell or (…)