Water Level Controls
High Integrity Water Level Controls
Hydrastep & Hydratect
To complement these highly successful products we offer a full range of on-site services with our own factory trained engineers, who will advise on best installation practices, provide commissioning and start-up support, and carry out any repairs which become necessary. In addition, we provide maintenance contracts to ensure the equipment is routinely inspected, serviced and tested, keeping it operating reliably and the plant running safely.
Foam can occur which can get carried over into the steam distribution system, affecting valves, steam traps, heat exchangers and other equipment, and can also contaminate and spoil product. Foam can also result in some types of level controls giving false readings which could have catastrophic results.
Suspended solids can accumulate and form sludge, which coats heating surfaces, reducing efficiencies and ultimately cause overheating and damage, which again could have catastrophic results. Sludge can also block ports of external level control chambers and gauge glasses, leading to false levels and dangerous situations.
There are two methods to control the level of solids in the water; bottom or rear-end blowdown, and continuous blowdown. All shell boilers have bottom blowdown valves. Some boilers also have continuous blowdown, which can be either manually or automatically controlled.
Automatic Total Dissolved Solids (TDS)
- Carry over of boiler water with steam
- Damage to product
- Fouling of heat exchangers
- Blockage of valves & steam traps
- Energy wastage
- Loss of water treatment & wasted fuel
- Excessive water usage
- Effluent disposal problems
Timed Bottom Blowdown (TBB)
- Reduced operating costs
- Less water, fuel and treatment chemicals are wasted
- Reduced effluent disposal
- Saves labour and time for other important tasks
- Cleaner and more efficient boiler
- Promotes safer boiler operation
We provide new TBB systems and replacement parts and spares for existing equipment. We also supply manually operated bottom blowdown valves and spares.
Tank Level/Contents Gauges, Controls & Alarms
Delta Mobrey is one of the largest manufacturers of level equipment in the UK. We have a large range of continuous reading and point level devices, so whatever your requirement is, we can provide the solution.
In addition to supplying, installing and commissioning level equipment we also service, repair and calibrate existing equipment.
Gas or liquid measurement, with systems for fuel monitoring, water, oil and condensate flow. We also offer on site liquid flow calibration of existing equipment, without breaking into the line or disrupting the process.
Stack Emissions & Obscuration
Obscuration monitors are designed to measure dust and smoke discharged, allowing you to comply with legal requirements to monitor smoke and particulate emissions into the atmosphere. They can continually monitor and display optical density or opacity, and will also display particulate emissions when properly calibrated.
The equipment comprises a digital indicator control unit suitable for panel mounting, transmitter and receiver units, complete with extension tubes for mounting to the flue or stack.
Emission monitors measure the flue gases and give real time measurements of oxygen and carbon dioxide. Optional extras include carbon monoxide and temperature measurement from which efficiency can be calculated. The system includes a wall mounted digital display and control unit and a duct mounted sensor.