Seo Safety Oil & Gas :: Air Shut-Off Safety Devices for Diesel Engines

GE designs and manufactures the Rigsaver® air shut-off safety device for use on both large and small diesel engines. When mounted in the air intake system, the Rigsaver will prohibit airflow from entering the cylinders and positively immobilize the engine, safeguarding personnel, equipment, and the environment. Rigsavers can be manually or automatically controlled, responding to a variety of fault or hazard conditions.

It's not always regulatory but it is your responsibility to protect the environment, your equipment and, most importantly, your people.
Hazard prevention with air shut-off safety devices

Airborne hydrocarbons are dangerous. In the open, they can easily ignite and spread to available fuel sources to produce an uncontrolled inferno. But they can also pose a threat to diesel engines of any size. When mixed with the air supply, these vapors or fumes may be drawn into the air intake system, act as an ungoverned fuel source and cause the engine to accelerate out of control.

Conventional shutdown methods (i.e. shutting off the engine's fuel supply) are often ineffective in preventing diesel engine overspeeding since the ungoverned fuel source is still available through the air intake system. Completely shutting off the air supply, using a device such as the Rigsaver, is the only sure way to prevent engine runaway and the possible dire outcomes: equipment damage, fire, or life-threatening explosion.
Air shut-off valves for air intake systems

Rigsaver is a swing-gate, spring-operated air shut-off valve mounted in the air intake system. It will impede the airflow into the cylinders and positively stop the engine. It can be installed pre- or post-turbo. Rigsaver can be manually or automatically controlled to respond to a variety of fault or hazard conditions.
Worldwide experience with diesel engine shut-off valves

The Rigsaver air shut-off valve has been used worldwide, providing reliable service on and offshore under adverse conditions associated with locations in the Canadian Arctic, the Gulf of Mexico, the North Sea, the deserts of Africa, the Middle East and the Pacific Rim. Our product's quality meets or exceeds the stringent requirements of our broad customer base, which includes leading engine OEMs.
Features of the Rigsaver air shut-off safety device

Features of the Rigsaver air shut-off safety device include:

•     Manual or automatic controls
•     Can be used onshore and offshore
•     Can respond to a variety of fault or hazard conditions
•     Available with 2in (50mm) to 14in (355mm) of unrestricted port
•     Operates safely at ambient and induction air temperatures between +350°F to +400°F (+176°C to +205°C)
•     Meets ISO 9001:2008 requirements

Diesel emergency shut-down valve

The Rigsaver acts as an emergency shut-down valve for diesel engines. It is ideal for a wide range of applications, including:

•     Power generation
•     Bulk fuel loading facilities
•     Mining equipment
•     On/off - highway vehicles
•     Offshore platforms
•     Marine engine rooms
•     Petrochemical plants
•     Stationary equipment

Technical data of the Rigsaver air shut-off safety device

•     Temperature rating: maximum constant +400°F (+205°C); high temperature up to +482°F (+250°C) available upon request
•     Maximum pneumatic tripping pressure: 100 psi
•     Maximum solenoid energize time: 5 seconds
•     Vibration tested to simulate in-service conditions to ensure maximum durability and reliability
•     Manufactured with high-grade materials to protect against corrosion for extreme conditions such as oil and gas offshore
•     Available in bore sizes from 2in to 14in
•     Manufactured in Canada

Certifications

The Rigsaver is ISO 9001:2008 certified and is approved for use in hazardous zoned environments under ATEX Category II, Ex II 3G c T3 (200°C, industrial applications). (Note: This does not apply to electrical components.)


Source : GE OIL & GAS

8 Common Source Of a Wet Basement and Finding The Cause Before You Begin Basement Waterproffing

Moisture problems in a basement stem from one of two sources: indoor condensation or leaks from outdoors. You can usually determine whether the source of your problem is interior or exterior by performing this simple test.

Once you know which side of the basement wall the moisture is coming from, you still need to identify a specific source. That can be a little tricky, but here are the most common culprits:

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1. Downspouts

Downspouts should direct water away from the house foundation with extensions that are at least 6-feet long.

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2. Gutters

Gutters are supposed to carry water to downspouts, but when they become clogged they can cause water to overflow. That means water is being dumped along the basement walls.

3. Grading

Improper grading is a major cause of wet basements. In the first 10 feet around the foundation, the soil should slope at least 6 inches away from the house.

4. Foundations

Over time, foundations can develop cracks that allow water to flow through. Hydraulic cement is a useful product for sealing masonry walls.

5. Plumbing

Water supply and drain pipes can leak. Drain lines in particular can develop small, hard-to-detect leaks that can cause long-term trouble. You should be able to find a drain line leak by turning all of the faucets in the house on and then doing a close visual inspection of the pipes in the basement.

6. Windows and Doors

Broken glass or aging seals around windows and doors allow easy access for water. Have someone spray water from a hose at basement windows and doors while you look for leaks inside.

7. High Humidity

A basement that is moist most of the time usually has some type of condensation problem. You can tackle the most common causes by following the advice in this article.

8. High Water Table

This is one of the toughest wet basement challenges. The water table is the line between saturated and unsaturated soil. It can vary by season and location, and even a heavy rainfall can cause the water table to rise. There's not much you can do to change the water table, but you can reduce its damaging effects with interior or exterior drainage systems or with a sump pump.

Fire Safety Clothings

Every tool firefighters bring to the scene of a fire is designed to withstand extreme heat, harsh chemicals, and dangerous conditions. This is true even of the clothes they wear. No material is completely fireproof, but firefighters’ clothes are designed to provide a fire-resistant shield that protects them against extremely high temperatures for a long period of time.

Firefighters’ clothes are typically made of a combination of Nomex—a material that provides extreme heat and fire protection, actually carbonizing in the presence of heat and creating a thick barrier that protects the skin—and Kevlar, a material that adds flexibility and breathability to allow firefighters to perform strenuous work even in difficult conditions. Here’s an overview of the gear firefighters wear when they respond to a call.

Fire kit. Also referred to as “turnout gear” or “bunker gear,” this refers to firefighters’ outer protective gear, which is highly fire resistant clothing. The term can be used to mean trousers, boots and jacket, or the entire system of protective clothing and equipment. According to tradition, the trousers and boots are traditionally stored by the firefighter’s bunk at the fire station for quick access. The trousers are typically stored crumpled around the boots so firefighters can step quickly into the boots and pull the trousers up.

Most fire brigades assign firefighters a jacket and trousers as part of their fire kit. This combination allows firefighters to take the jacket off if needed to cool off. Ordinarily, the fire kit’s job is to provide insulation from outside air—so they’re very hot.

Some fire brigades, however, assign a full-body suit that covers both upper and lower body. While this can’t be removed in situations where full-body protection isn’t needed, it also provides better protection from hot gasses, since there’s no gap between the top and bottom garments.

Boots. Firefighters use boots made of rubber or leather. They’re designed for extra toughness, fitted with safety toes and a midsole plate assuring puncture-resistance in case the firefighter steps on a nail or other sharp object. The rubber or leather is treated to be extremely fire resistant.

Helmets. A firefighter’s helmet is designed to protect the firefighter’s head from falling debris, as well as extreme heat. The helmet is made with a hard shell made to provide protection against heat, steam, electrical shocks and other hazards. Some come equipped with built-in goggles or visors to protect the eyes and face.

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Protective hoods. Helmets are designed for heat and hazard protection, but they don’t cover the ears, neck, and a significant part of the face. When full-body protection is needed, firefighters wear a hood that completely covers the areas not protected by the helmet. These are made from Nomex knit fabric—the same material that provides heat and fire protection on a firefighter’s fire kit and other fire resistant clothing.

The fire resistant clothing firefighters wear is designed to perform miracles. It allows firefighters to walk into burning buildings, rescue victims and extinguish fires without risk of serious injury or death. It can be very hot and heavy to wear, but the protection is worth it.