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Flow Monitoring
Blue-White manufactures electronic BW DIGI-METER digital flow meters, flow sensors, and flow monitoring equipment; as well as MICRO-FLO Flow Verification Systems.
BW DIGI-METER variations include Rate and Totalizer meters; 4-20mA / 0-10 VDC analog output flow rate and totalizers; Batch Process Controllers; and Hall Output Signal. Both battery and AC powered versions are offered. Many material, calibration and mounting styles are available.
MICRO-FLO variations include: Sensor Only and Panel Mount Display. Units can be mounted to Blue-White metering pumps to verify chemical injection has occurred. Flow units include: Gallons; Liters; Ounces, Milliliters. Time units include: Minutes; Hours; Days.
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Rototron RRI
The sensor consists of a rotor vane that is rotated by the spped of the flowing medium. The speed of rotation is proportional to the volume flow per unit time. The rotation of the rotor is detektiert by a inductive sensor.
no magnet parts
large wear liberty by high-quality ceramic axle and ceramic bearings
output circuit PNP, NPN or Namur
no straight line in-out necessary
easy measurement of flow rates
inherently safe properties
modular construction with the most versatile connection systems
connections can be plugged and rotated
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The rotating movement of the impeller is transferred by a modulator disc to the sensor system of the FLYPPER electronic counter module.
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● Connecting size: 3/8", 1/2", 3/4", 1" NPT female standard
● Power Supply: 3.8V to 30VDC
● Output: Sink (NPN)
● Material: Body-Polypropylene; Cover-Acrylic,PP,PTFE available; Rotor-PVDF; Shaft-Ceramic; Bearings-Ceramic
● O-ring: Viton
● Max. Temperature: 70ºC
● Max. Pressure: 10kg/cm²
● Accuracy: ±2% F.S
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M2517 / F0110 Insertion Paddlewheel Flow Sensor & Rate Indicator & Totalizer
The Model 2517 Insertion Paddlewheel Flow Sensor provides a reliable and economical means of monitoring flow. One size sensor is field adjustable for use in 1.5" to 24" diameter pipes.
The Model F0110 Battery Powered Indicator simultaneously displays both Rate and Total on a large alphanumeric LCD display. Easy set-up is accomplished via the front panel three-position keypad.
TYPICAL APPLICATIONS
• Potable Water
• Cooling Water
• Irrigation Systems
• HVAC
• Condensate
• Pump Protection
• Boiler Feed Water
• Groundwater
FLOW SENSOR SPECIFICATIONS
* Power: None (self generated)
* Output: Coil
* Pipe Size Range: 1.5" to 24"
* Velocity Range: 1 to 30 fps
* Flow Range: (see chart below)
* Accuracy: +- 2% of full scale
* Repeatability: +- 0.5% of full scale
* Temperature Range: 200° F maximum
* Pressure: 250 PSI maximum @ 70° F
* Process Connection: 1.5" MNPT
* Conduit Connection: 0.5” FNPT
* Weight: 2.5 Lbs.
* Cable: 2-conductor shielded twisted pair, 22 AWG, 25’ standard, 200’ max.
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Paddlewheel flow meters for pipe sizes 1/2-8 inches
-High-quality ruby bearings for excellent low-flow performance and long life
-One easily-replaced moving part
-Pickup exerts no magnetic drag on the rotor
-Square-wave frequency output can connect directly to PLC’s or counter controls
-Indicator or transmitter can be mounted on the flowmeter or remote
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MW-100
Mini-Wheel Flowmeter with In-line flow
Water Calibration Range: 0.5 – 20 L/min
Body Material: 316SS
Port Sizes: 1/4", 3/8" FNPT
M-10001
Low Flow Paddlewheel Flowmeter
Water Calibration Range: 0.022 – 0.30 L/min
Body Materials: Aluminum, PTFE
Port Size: 1/4" FNPT
M-10000
M-10000 series Paddle Wheel Flow Meters belong to high accuracy Tangential type turbine meters with wide range ability and high accuracy. These could be with visual indication or remote monitoring. These are more accurate than ever before and are available in different types of materials and sizes for specific applications.
Port Sizes: 1/8" to 1"
Flow Ranges: 0.1 LPM to 250 LPM
Materials: PTFE, 316SS, Celcon, Brass
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measuring tube inside diameter:
9.7 mm; 18.2 mm; 25 mm; 32 mm; 40 mm; 50 mm ...
alternative forms of connection depending on inside diameter of measuring tube:
tube fittings; cutting ring fittings; flange connection;
flat tube ends; internal screw thread for connecting nipples
alternatively with / without input / output section
alternatively with / without integrated transducer
initial smallest measurable flow rate dependent on type of vane wheel:
in gases from 0.08 m³/h,
in liquids 0.007 m³/h
terminal flow rate dependent on type of vane wheel:
in gases 20 m/s; 40 m/s; 80 m/s;120 m/s;
in liquids: 3 m/s; 7.5 m/s; 10 m/s
working temperature range:
-20° C... 100 °C; -20 °C... 240 °C (higher on demand)
maximum working pressure:
up to 10 bar above atmospheric (higher on demand)
materials:
stainless steel; aluminium ...
explosion-proof type of protection:
Category 1G, 1D (Zone 0, Zone 20); Category 2G, 2D (Zone 1, Zone 21)
special designs on request
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initial smallest measurable flow rate dependent on type of vane wheel:
in gases 0.2...1.6 m/s; in liquids 0.01...0.1 m/s
terminal flow rate dependent on type of vane wheel:
in gases 3 m/s; 20 m/s; 40 m/s; 80 m/s;120 m/s;
in liquids: 3 m/s; 7.5 m/s; 10 m/s; condition: no cavitation
probe diameter:
16 mm; 25 mm; 25/27 mm and 30 mm
working temperature range:
up to 100° C; 260 °C; 370 °C; 450 °C and 500 °C
maximum working pressure:
up to 10 bar overpressure (higher on demand)
explosion-proof type of protection:
Category 1G, 1D (Zone 0, Zone 20); Category 2G, 2D (Zone 1, Zone 21)
probe tube material:
aluminium, stainless steel, titanium
optional incl. direction indication
optional incl. integr. temperature measurement
special designs on request
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Compact units for use in Ex-applications:
for gas: Ex II 1/2 G Ex d e [ia] IIC T6 and
for dust: Ex II 1/2 D Ex iaD20/tDA21 IP6x TX
sensor for use in category 1 (Ex-zone 0 rsp. 20)
transducer housing for use in category 2 (Ex-zone 1 rsp. 21)
probe with diameter 25 mm in different lengths between 250 mm and 650 mm
initial smallest measurable flow rate:
in gases 0.3 m/s; in liquids 0.03 m/s
terminal flow rate:
in gases 20 m/s; 40 m/s; 80 m/s; 120 m/s
in liquids: 7,5 m/s; 10 m/s;
condition: no cavitation
working temperature range:
up to 100 °C; 260 °C; 370 °C und 500 °C
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Litre Meter developed the Pelton wheel principle as the best to achieve accurate measurements of low flows.
A single turbine ring size is common to all Litre Meter flowmeters. The turbine rotor is based on a highly efficient 'Pelton Wheel' design. It is available in various chemically resistant materials such as PFA (Teflon)and PVDF. The rotor ferrites are sealed to make them non-wetted parts. Sapphire bearings are offered for maximum chemical resistance as standard. These provide a very low friction mechanically-robust bearing with long life characteristics.
The rotation of the rotor is sensed by an electronic system using the interaction of ferrites in the rotor tips with a pickup coil. No drag is imposed on the rotor which assists in the measurement of extremely low flows. This, coupled with the efficient Pelton Wheel design and low friction bearings gives the meter major advantages. The complete turbine ring assembly can be easily removed with the meter remaining in line if cleaning is required.
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Titan manufacture flowmeters based on the Pelton wheel technique. This well proven method is the ideal way of measuring low rates of flow of low viscosity liquids. Advantages are wide flow range, good linearity and repeatability, with a compact, low-cost design. The unit can be built totally from engineering plastics, with no metallic parts in contact with the fluid monitored.
The 800, 900 and 1000 series flowmeters can measure flows from 0.05L/min to 30 L/min, or are available as simple flow switches, to alarm on flow failure, low or high flow. End connections are typically BSPF threads or hose barbs, other connections can be supplied.
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Bucket wheel excavators (BWE)
The Joint Stock Company UNEX has been manufacturing bucket wheel excavators for more than 50 years. So you can consider UNEX to be an experienced specialist in manufacturing of large-scale machinery for use in open pit-mines. The UNEX team of well-trained specialists is able and ready to react to all its customers’ individual requirements. More than 130 custom-built excavators and reclaimers can be found in e.g. Czech Republic, Russia and the Ukraine, in Bosnia and Herzegovina, Macedonia, Bulgaria, Poland and Slovakia.
There are two types of bucket wheel excavator: Compact and Classical. The division depends on the possibility of repeated assembly and disassembly.
1. It is not possible to assemble and disassemble the Classical BWE. The excavator moves on either a caterpillar or walking undercarriage. Their capacity ranges from 1 200 to 6 500 m3/h and the specific cutting force from 90 to 168 kN/m. According to the adjustable distance between the wheel and the axis of the machine, classical BWEs are divided into two groups: excavators with a telescopic bucket wheel boom (KU 300 and KU 800) and without a telescopic bucket wheel boom (K 2000).
2. The Compact BWE can be repeatedly assembled and disassembled. Their capacity ranges from 400 to 2 800 m3/h and the specific cutting force from 25 to 145 kN/m.
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Rated capacity 1.7m„x
Rated weight 3500kg
Operating weight 9700kg
Automatic leveling ability Yes
Static tilting load 58.8KN
Max breakout force 120KN
Max drawing force 90KN
Max grade ability 30‹
Max.dump height 3050mm
Max.dump reach 1260mm
Min.ground clearance 410mm
Wheel base 2600mm
Tread 1870mm
Height with bucket at full raise 4870mm
Lifting time 5.5sifull load j
Total cycle time(lifting, dumping, lowering) 9.67sifull loadj
Overall dimensions (l~w~h)mm 6990~2420~3000
Engine Yuchai iChina famous enginej
Model YC6108G
Type In line, water cooled, four stroke, dir.inject
Rated power 92KW
Rated speed 2200r/min
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Opencast Mining Systems
Opencast mine
Germany
1x bucket wheel excavator SR1301/1532
refurbishing, bucket wheel head with drive unit
driving power of bucket wheel 500 kW
cutting height 26 m
excavation depth 5 m
number of buckets 14
year of construction 1986
coal 3500 m³/h
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Sandvik bucket-wheel excavators are designed to strip overburden and mine coal, lignite and various soft minerals continuously. With capacities from 150-10000 m3/h (loose), they are capable of mining formations with compressive strengths of up to 20 MPa. Controlled by state-of-the art PLC systems with extensive automation possibilities, they have ergonomic, user-friendly interfaces for operator comfort, quick familiarization and sustained high productivity. Since they are of modular construction, Sandvik bucket wheel excavators are easy to optimize for different applications. All units are custom-built and made to order.
Our standard range of compact bucket wheel excavators is designed for small to medium-size opencast mines. All models are of rugged, rational construction, highly productive for their size and weight and very reliable. Models with higher capacities are of the C-frame design. Basic data for the most popular models is given in the table below.
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Productivity
CUMMINS QSB6.7 electronic engine,the emission meets EPA TIER standards
High drive speeds with 4 forward and revrese gears
Responsive and accurate hand control with a single joystick with integrated KD function
Double-brake pedals simplify simultaneous driving and mechanical operations
Economical
Torque converter is matched to the engine to ensure maximum power transfer
Hydraulics employ a dual-pump system and converging and self-unloading function to reduce energy loss
Improved air per-filter system improves overall engine efficiency in dusty conditions
Reliability
Vehicle has a strong flexible frame that will withstand load and torsion
stresses in the toughest working conditions
Key components from world class suppliers
Warranty and service programs available
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The 936H wheel loader is one of brand-new series loaders developed independently by our company through introducing the advanced experience of the loader manufacturers all over the world, for which adopted the designs of the advanced appearance and the interior decoration of saloon car, featuring the reasonable and unified arrangement. The separated torque converter-transmission system supplied by the domestically-renowned manufacturer makes the entire machine more reliable in performance，easier to repair and greatly enhances its reliability, versatility, comfort and operability. Comparing with the loaders manufactured by other companies, 936H wheel loader produced by our company has the following advantages: new and fresh appearance, shortest three-time cycle time (9.9s); maximum load and unload height (3230mm), minimum turning radius (4929mm) and farthest unload distance (1168mm)
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Bucket wheel and bucket chain excavators are important products designed for mining the overburden. The first bucket chain excavator of our own construction called D 800 was manufactured in 1952, with an output of 1 050 m3/h and moved on rails. The most effective bucket chain excavator is marked RK 5000 and it achieves an output of 5 000 m3/h of excavated overburden.
Our production range covers also the biggest digging wheel excavator of the Czech Republic, the K 10000, which has been working with an output of 10 000 m3/h of excavated overburden in Bílina mine since 1978.
Bucket-chain and bucket-wheel excavators are designed according to specific requests of customers, always with respect to the actual mining conditions in which they will operate.
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Bucket Wheel Excavators (BWE) are continuous cutting machines for soft to semi hard materials like clay, sand, gravel, marl and their blendings as well as lignite and hard coal. Tenova TAKRAF Bucket Wheel Excavators excavate a wide range of capacities between 200 and 16000 m³/h and at working bench heights from less than 5 m to maximal 51 m.
The Bucket Wheel Excavator is favorable connected to a belt conveyor system with or without a Mobile Transfer Conveyor intermediately installed or a cross pit spreader transferring the material to the waste dump or the raw material stockpile.
According to local mine conditions Compact and Large Bucket Wheel Excavators are offered - whereas the selection mostly is determined by required cutting height and width (working block).
The characteristic parts of a Bucket Wheel Excavator are the cutting wheel with buckets, the wheel boom, the superstructure with counterweight boom, the substructure, the undercarriage with crawler tracks and a transfer boom to the bench conveyor (or a connecting bridge to the loading unit). All main parts are designed to meet the demands of the project regarding optimization, standardization and maintenance. Therefore, Tenova TAKRAF stands with more than 100 years of Bucket Wheel Excavator-experience.
Bucket Wheel Excavators are among the largest terrestrial vehicles ever constructed - the biggest machine built, the Tenova TAKRAF SRs 8000, has a weight of 14.200 t and moves 240,000 m³ of overburden per day.
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The complete set of bucket wheel excavator includes the bucket wheel excavator, the A-type belt conveyer, B-type belt conveyer, 1800 Hopper, spreader. The process of material excavated by the bucket wheel: Bucketed material--pass through belt -- Conveyer -- Hopper-- Spreader-- Material stock.
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