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Brand: Daniel
Daniel Series 1500 Liquid Turbine Flow Meter DN25-DN600
Description
A custody transfer turbine meter for pipelines, tank farms and FPSOs
The Daniel Series 1500 Liquid Turbine Meter is Daniel’s large-capacity turbine meter for custody transfer and check metering of crude oil and refined products, covering line sizes from DN25 to DN600. Its stainless steel internal assembly uses a dual-hanger suspension that supports the rotor upstream and downstream, centres and balances it in the flow tube, and provides positive bearing lubrication, with standard tungsten carbide journal bearings for near-frictionless rotation. Electronics are potted to withstand vibration and shock. Typical applications in the guide include pipelines, in-line blending, tank farm and storage inventory control, ship and rail car loading, and FSO and FPSO installations. The guide is dated October 2025.
Technical specifications
| Parameter | Specification |
|---|---|
| Line sizes | DN25 to DN600 (1 to 24 in.) |
| Body material | Stainless steel or carbon steel; NACE MR0175-compliant construction available |
| Rotor options | Rimmed, bladed or light product rotors; Teflon-coated rotor available on rim and blade types |
| Process temperature | Standard: carbon steel -29 to +60 °C, 304/316 stainless -40 to +60 °C; high temperature option up to +204 °C |
| Remote enclosure | RME and high-temperature options required above 60 °C ambient or at process temperatures of 85 °C and above |
| Linearity | DN25-DN65: ±0.25 % standard, ±0.15 % premium; DN80-DN600: ±0.15 % standard, ±0.07 % premium (5:1 turndown) |
| Repeatability | ±0.02 % |
| Rangeability | 10:1 turndown |
| Flow range basis | SG 0.78 and 2.1 cSt for DN25-DN200; SG 1.0 and 1.0 cSt for DN250-DN600 |
| Bearings | Tungsten carbide journal bearings (standard) |
| Electronics | LME with two pickoffs and potted dual-channel preamplifier; optional second LME for four pulse outputs; bi-directional preamplifier (Model 1817X2) available |
| Totalizer | Daniel XRT flow/rate totalizer with backlit local display (option) |
| Hazardous area | UL/cUL Class I Div 1 Groups B, C and D; ATEX Ex d IIC T6 Gb; IECEx Ex d IIC T6 Gb; INMETRO Ex d IIC T6 Gb |
| Enclosure rating | NEMA 4X (IP66) |
| Metrology | NMi TC7573, Revision 3 |
| Pressure rating | Per ASME/ANSI B16 and meter material; shown on the nameplate |
Linear flow ranges and K-factors
The guide publishes the standard linear range for all sizes, plus an extended maximum flow rate available at a 20 percent duty cycle not exceeding two hours per day. A selection of sizes is shown here, and K-factors for individual rotors can differ from nominal by plus or minus 15 percent.
| Size DN (in.) | Linear range m3/h | Linear range BBL/h | Nominal K-factor, pulses/m3 |
|---|---|---|---|
| 25 (1) | 1.6 to 16 | 10 to 100 | 132,086 |
| 50 (2) | 6.8 to 68 | 43 to 429 | 34,342 |
| 80 (3) | 15.9 to 159 | 100 to 1,000 | 13,209 blade / 29,059 rim |
| 100 (4) | 29.4 to 294 | 185 to 1,850 | n/a in guide / 18,462 rim |
| 150 (6) | 66.8 to 668 | 420 to 4,000 | 1,532 blade / 6,604 rim |
| 200 (8) | 135 to 1,351 | 850 to 8,500 | 3,461 rim |
| 300 (12) | 286 to 2,862 | 1,800 to 18,000 | 1,268 rim |
| 400 (16) | 445 to 4,452 | 2,800 to 28,000 | 634 rim |
| 600 (24) | 954 to 9,539 | 6,000 to 60,000 | 634 rim |
Rotors, preamplifiers and selection
Bladed rotors are listed for DN25 to DN150 and rimmed rotors for DN80 to DN600, with lightweight rotors for DN80 to DN300 on light products, and the guide notes that a rim-type rotor is not recommended on the smallest sizes. Preamplifier choices include dual channel, intrinsically safe, zero crossing and bi-directional types. Choose the Series 1500 when the line is larger than DN100 or when bi-directional or high-temperature operation is needed; for DN25 to DN100 load-rack duty see the Daniel Series 1200 guide. Related flow computers such as the FloBoss S600+ and all Flowmeters are listed on the site.
How the Daniel Series 1500 works
Liquid flowing through the meter turns a rotor. The faster the flow, the faster the rotor turns. Pickoff coils sense each blade as it passes and make a pulse. Each pulse stands for a small, known volume, so counting the pulses gives the volume and the pulse rate gives the flow rate. The rotor is held by two hangers, one upstream and one downstream, so it stays centred in the tube.
Where the Series 1500 is used
- Pipelines
- In-line blending
- Tank farms and storage inventory
- Ship and rail car loading
- FSO and FPSO installations
Selection checklist for the Series 1500
- Line size from DN25 to DN600
- Fluid, viscosity and density
- Flow range and turndown
- Linearity grade, standard or premium
- Rotor type
- Body material
- Process and ambient temperature
- Hazardous area and output needs
Installation, commissioning and maintenance notes for the Series 1500
Install the meter with straight pipe or flow conditioning as the guide advises. Keep the line full and free of gas. Wire the pickoffs to the preamplifier and to the flow computer or totalizer. Prove the meter on the fluid it will measure. Check the bearings and rotor at planned intervals.
Requesting a quotation for the Daniel Series 1500
Please send the line size, the fluid, the flow range, the pressure class and the quantity. Seven Star LLC serves industrial customers in Oman and the GCC and replies with a quotation based on the information provided.
Series 1500 rotor options
Rimmed, bladed and light product rotors are listed. A Teflon-coated rotor is available on some types.
Series 1500 linearity
Linearity is within 0.15 percent for standard grade and 0.07 percent for premium grade on larger sizes.
Series 1500 repeatability
Repeatability is 0.02 percent.
Series 1500 rangeability
The turndown is 10 to 1.
Series 1500 bearings
Standard bearings are tungsten carbide journal bearings.
Series 1500 electronics
The electronics have two pickoffs and a potted preamplifier. A second unit gives four pulse outputs.
Series 1500 enclosure
The enclosure rating is NEMA 4X, equal to IP66.
Meter records for the Series 1500
Record each proving result, the meter factor and the date of each inspection.
Choosing the right Series 1500 rotor
Choose the rotor by fluid viscosity and by the flow range the line must cover.
Series 1500 line sizes
Line sizes run from DN25 to DN600, which is 1 to 24 inches.
Series 1500 process temperature
Standard carbon steel meters run from minus 29 to plus 60 degrees C. A high temperature option reaches 204 degrees C.
Series 1500 totalizer
The Daniel XRT totalizer with a backlit local display is an option.
Series 1500 body material
The body is stainless steel or carbon steel.
Documents and quotation
The Daniel Liquid Turbine Meter Product Guide for Series 1500 (October 2025) is attached. For a quotation please send line size, flange rating, body material, liquid, specific gravity and viscosity, flow range, rotor type, bi-directional or high-temperature needs, LME and totalizer options, and approvals required.
Datasheets & Documents
- Datasheet Daniel Series 1500 Liquid Turbine Meter Product Guide (October 2025) Download
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About brand
Daniel is a flow measurement brand based in Tomball, Texas, USA, known for liquid turbine meters and the Senior orifice fitting used in custody transfer and fiscal metering.
Seven Star LLC is an independent supplier in Muscat. We list Daniel meters and fittings for operators and contractors in Oman and the GCC.
Daniel product series
Liquid turbine meters include the Series 1200 for DN25 to DN100 and the Series 1500 for DN25 to DN600.
The Senior dual-chamber orifice fitting from 2 to 24 inch allows the orifice plate to be removed and inspected without stopping the flow. Turbine meters are calibrated against a prover for each product, while orifice measurement follows standards such as AGA 3 and ISO 5167 for gas.
Where Daniel equipment is used
Crude oil and product loading, pipeline metering stations, gas measurement and fiscal allocation in oil and gas fields.
Ordering Daniel equipment: what we need
Send the model, size, pressure class, flow range, fluid properties and the standards and certificates required.
Browse Daniel products by category: Flowmeters.
Related products
Frequently Asked Questions
Which line sizes and flow capacity does the Series 1500 cover?
DN25 to DN600 (1 to 24 in.). The standard linear range runs from 1.6 to 16 m3/h on DN25 up to 954 to 9,539 m3/h on DN600, with higher extended maximum flow for limited duty.
What rotor and bearing options exist?
Rimmed, bladed or light product rotors, with standard tungsten carbide journal bearings and a dual-hanger stainless steel internal assembly that supports the rotor upstream and downstream.
Can it measure reverse flow?
Yes, bi-directional flow is an option. In bi-directional meters the minimum flow rate in the reverse direction is 20 percent of the maximum extended flow rate.
How does the dual LME help with proving?
Each local mounted enclosure has two pickoff coils and a dual-channel preamplifier. A second LME gives four pulse outputs in two pairs, each 90 degrees electrically out of phase, for redundancy and for metering and proving requirements.
Is Seven Star LLC a distributor of Daniel?
No. Seven Star LLC is an independent industrial supplier in Muscat and is not a distributor or agent of Daniel. We check the model, size and options against Daniel documentation before quoting.
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