GE RHM 40 Manuale utente

RHM 40

The RHM 40 can measure ow rates up to 90 t/h

(3307 lb/min) with temperatures in excess of 350°C

and pressures up to 257 bar. This model is medium

sized and also appropriate for tough application

conditions, manufactured by GE’s Rheonik mass

owmeter experts..

Applications

• Loading of boats, vessels, rail tank wagons

• High temperatures and other challenging

applications

• Highly viscous media (low pressure drop and

excellent performance at low ow conditions)

Features

• Suitable for pressure up to 257 bar

• Flow uncertainty down to 0.15%

• Density uncertainty down to 0.5%

• Repeatability better than 0.05%

• Unique torsion oscillator

• Typical measuring ranges from 15 to 1500 kg/min

• Minimal ows as low as 13 kg/min

Medium Sized Coriolis

Mass Flowmeter

• Customization possible

• Hazardous Area Approvals (ATEX, CSA, ...)

Advantages

• Medium ow rates in combination with high

operating pressure

• Torsion oscillator design assures most stable and

basically drift free measurement and increased

signal to noise ratio

• Not sensitive to changes in pressure

• Longest life time and increased safety (low stress

in welds and increased wall thickness against

abrasion)

• No moving parts, practically no maintenance

Measurement & Control

GE imagination at work

Process Connection Face to face

length (L) (*)

Order

Code

mm in

Standard Flange DIN DN80/PN40 725 28.54 D1

Flange DIN DN80/PN100 725 28.54 D2

Flange ANSI 3" 150# RF/SF 725 28.54 A1

Flange ANSI 3" 300# RF/SF 725 28.54 A2

Flange ANSI 3'' 600# RF/SF 725 28.54 A3

Flange ANSI 3" 900# RTJ 725 28.54 A6

Optional Flange DIN DN80/PN16 725 28.54 D3

Flange DIN DN100/PN160 725 28.54 D6

Flange DIN DN100/PN320 725 28.54 D9

Flange ANSI 3" 1500# RTJ 725 28.54 A5

Flange ANSI 3" 2500# RTJ 725 28.54 R9

Flange ANSI 4" 150# RF/SF 725 28.54 A8

Flange ANSI 4" 900# RTJ 725 28.54 R4

Flange ANSI 4" 1500# RTJ 725 28.54 R5

Flange JIS RF 10k 80A (3") 725 28.54 J1

Flange JIS RF 20k 80A (3") 725 28.54 J2

Grayloc Hub 4 GR 34 (4") 725 28.54 H4

PF0 (parallel, sealless construction with ange

connection)

General Dimensions RHM 40

Type parallel, welded measuring loops without

seals and ange connection

A1 = 696 mm (27.40 in) B1 = 143 mm (5.63 in) Terminal box (without cable gland) 125 x 80 x 58 mm (4.92 x 3.15 x 2.28 in)

A2 = 720 mm (28.35 in) B2 = 180 mm (7.09 in) E = 250 mm (9.84 in)

H1 = 963 mm (37.91 in) W = 150 mm (5.91 in)

H2 = 1153 mm (45.39 in)

For weights and packaging dimensions please see next page.

SF0 (serial, sealless construction without

dead spaces)

General Dimensions RHM 40

Process Connection Face to face

length (L) (*)

Order

Code

mm in

Standard Flange DIN DN80/PN40 400 15.75 D1

Flange DIN DN80/PN100 400 15.75 D2

Flange ANSI 3" 150# RF/SF 400 15.75 A1

Flange ANSI 3" 300# RF/SF 400 15.75 A2

Sanitary 2" Triclamp, DIN 32676 400 15.75 S1

Sanitary NW50, DIN 11851 400 15.75 S2

Optional Flange DIN DN50/PN40 400 15.75 D7

Flange DIN DN80/PN16 400 15.75 D3

Flange DIN DN80/PN160 400 15.75 D4

Flange ANSI 2" 150# RF/SF 400 15.75 A7

Flange ANSI 2" 300# RF/SF 400 15.75 A9

Flange JIS RF 10k 80A (3") 400 15.75 J1

Flange JIS RF 20k 80A (3") 400 15.75 J2

Type single path, welded measuring loops without

seals and ange/sanitary connection

A1 = 696 mm (27.40 in) B1 = 143 mm (5.63 in) Terminal box (without cable gland) 125 x 80 x 58 mm (4.92 x 3.15 x 2.28 in)

A2 = 720 mm (28.35 in) B2 = 180 mm (7.09 in) E = 250 mm (9.84 in)

H1 = 963 mm (37.91 in) V = 60 mm (2.36 in) W = 150 mm (5.91 in)

H2 = 1153 mm (45.39 in)

Weight with 150# anges: approx. 140 kg (309 lb)

Shipping in wooden crate as per ISPM 15, approx. 145 x 95 x 70 cm (57 x 37 x 28 in), gross weight with 150# anges and RHE 08 transmitter approx. 180 kg (397 lb)

Finish type of our ANSI anges corresponds to SF (AARH 125 up to 250 μin, Ra 3.2 up to 6.3 μm)

For customization with regard to face to face length and special ttings, please consult your local agent

Pressure Rating RHM 40

The maximum pressure (pmax) of a sensor is determined by its weakest part. The weakest part can be the measuring

loops (pmax indicated below) or the construction type (pmax indicated in the Basic Order Code section, last page) or the

selected anges / ttings (for pmax please see respective standard).

pmax of P1 measuring loops, standard

M1 standard material - 1.4571 (316Ti)

OD x WT 42.4 x 3.2 mm (1.67 x 0.126 in)

bar °C psi °F

164 50 2379 122

147 120 2132 248

127 210 1842 410

107 350 1552 662

pmax of P2 measuring loops

M1 standard material - 1.4571 (316Ti)

OD x WT 42.4 x 4.85 mm (1.67 x 0.191 in)

bar °C psi °F

257 50 3727 122

230 120 3336 248

199 210 2886 410

167 350 2422 662

pmax of P1 measuring loops

M3 optional material - 2.4602 (Alloy C22)

OD x WT 42.4 x 3.6 mm (1.67 x 0.142 in)

bar °C psi °F

253 50 3669 122

224 120 3249 248

191 210 2770 410

159 350 2306 662

Performance RHM 40

Max Flow Rate Qmax = 1500 kg/min (3307 lb/min) and Qnom (*) = 1250 kg/min (2756 lb/min)

Standard Models

Flow Rate Uncertainty

kg/min lb/min in % of reading

1500 3307 0.20

1200 2646 0.20

600 1323 0.20

60 132 0.20

30 66 0.50

Uncertainty % DP (bar)

Flow Rate kg/min

Goldline Models (**) - selected sensors

Flow Rate Uncertainty

kg/min lb/min in % of reading

1000 2205 0.15

600 1323 0.15

400 882 0.15

200 441 0.15

100 220 0.15

Low Flow Models (**) - selected sensors

Flow Rate Uncertainty

kg/min lb/min in % of reading

1200 2646 0.20

600 1323 0.20

60 132 0.20

30 66 0.50

25 55 0.60

Uncertainty % DP (bar)

Flow Rate kg/min

(**) Selected sensors are only available in combination

with temperature options T1, TA, standard material and

pressure range.

• Serial/single path versions oer the same accuracy at

half the ow (Qmax serial version = 750 kg/min).

• Uncertainty of reading (incl. zero drift) indications refer

to reference conditions H2O, 18-24°C (66 - 76°F), 1 - 3

bar (15 – 45 psi) and installation according to eld

manual.

• Pressure drop indications refer to H2O, with parallel

measuring loops type P1.

• For calibration to customer range and / or with

improved uncertainty, please consult your local

agent.

Uncertainty % DP (bar)

Repeatability

Better ± 0.1% of rate,

Goldline 0.05%

Density

Down to 0.5% uncertainty

Temperature

Better ± 1°C

(*) Nominal ow Qnom refers to roughly 8 - 10 m/s

(26 - 33 ft/s) velocity in measuring loops for best

performance.

General Specications RHM 40

Temperature Range

• NT Models from -20 to +120°C (-4 to +248°F)

• ET Models from -45 to +120°C (-49 to +248°F)

• ET2 Models from -45 to +210°C (-49 to +410°F)

• ET1 Models from -196 to +50°C (-320 to +122°F)

• HT Models from 0 to 350°C (+32 to +662°F)

(Heating for housing optional, please consult your local

agent)

Electrical Connection

• Junction box aluminum coated (standard). Junction box in

SS 316Ti optional

• Cable entry M25 x 1.5. Optional cable entries M20 x 1.5,

1/2” NPT or 3/4” NPT

• Max cable length between RHM and RHE is 30 m (98 ft).

Optional 100 m (328 ft), with special cable

Material of Wetted Parts

• 1.4571 / SS 316 Ti / UNS S31635 (standard)

• 2.4602 / Alloy C22 / UNS N06022

• Tantalum

• Others on request

Sensor Enclosure/Housing

• Stainless Steel 1.4301 / SS 304, optional in 1.4571 / SS

316Ti. Others on request

• Protection Class IP 65. Optional IP 66 / NEMA 4x

Approvals

• ATEX Ex II 1 G, EEx ia IIC T6-T1

• CSA USA-Canada, Class I, Div. 1, Groups A, B, C, D

• PED according to directive 97/23/EC: Module A1 or Module

B + C1 – depending on measured uid

• Others on request

Sensor Size

Temperature Range

T1 NT from -20°C to +120°C (standard)

TA ET from -45°C to +120°C

T2 ET2 Extended Temperature Range from -45°C to +210°C

T3 ET1 Extended Temperature Range from -196°C to +50°C

T4 HT High Temperature Range from 0°C to +350°C

Pressure Range of Measuring Loops @ 120°C and M1 material

P1 pmax = 147 bar (standard)

P2 pmax = 230 bar

Construction Type (pmax indications @ 120°C)

PF0 Parallel Measuring Loops Seal Less Version

SF0 Serial Measuring Loops Seal Less Version, pmax = 149 bar

Material of Wetted Parts

M1 Measuring Loops and Connection Part 1.4571 (316Ti) (standard)

M3 Measuring Loops and Connection Part 2.4602 (Alloy C22)

M4 Measuring Loops and Connection Part Tantalum, PF0 Construction Type only

Process Connection

D1 Flange DIN DN80/PN40 Form C (EN 1092-1 Form B1)

D2 Flange DIN DN80/PN100 Form E (EN 1092-1 Form B2)

A1 Flange ANSI 3” 150# RF/SF

A2 Flange ANSI 3” 300# RF/SF

A3 Flange ANSI 3” 600# RF/SF

A6 Flange ANSI 3” 900# RTJ

S1 Sanitary 2” Triclamp, DIN 32676, pmax = 17.2 bar @ 120°C

S2 Sanitary NW50, DIN 11851, pmax = 25 bar @ 120°C

Others on request

RHM 40 - - - -

Order Code RHM 40

920-501A

names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not aliated with GE.

gwww.ge-mcs.com

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