Description

Big in Performance
Delivering best in class accuracy and most flexible installation at high flow rates.
The unmatched accuracy at the low end of the measuring range offers maximum flexibility from engineering to final operation. This series unifies a long service life with low maintenance costs and reliable performance.

Typical Applications
- Bitumen
- Distribution networks
- Drilling mud
- LNG
- Rail car loading
- Ship loading
- Truck loading
- Tar
- Offshore and onshore
- Oil well cementing and hydrofracturing

Specifications

Specification & Function

Refer to the General Specification sheet located under the ‘Downloads’ tab for detailed specifications.

Product Line	Rotamass Nano	Rotamass Prime	Rotamass Hygienic	Rotamass Supreme	Rotamass Intense	Rotamass Giga
Product Line
Flow Range

Liquid process fluids
Liquids in general	●	●	●	●	●	●
Aggressive liquids	○	–	–	●	●	○
High viscous fluids	○	●	●	○	○	○
Gaseous process fluids
Gases in general	○	●	○	○	○	●
Low density gases	○	●	●	○	○	○
Mixed process fluids
Unmixable or mixable liquids	●	●	●	●	●	●
Liquids with entrained gas	●	●	●	●	●	○
Process conditions
Process temperature	-50 to +260 °C -58 to +500 °F	-70 to +200 °C -94 to +392 °F	-70 to +140 °C -94 to +284 °F	-196 to +350 °C -321 to +662 °F	-70 to +150 °C -94 to +302 °F	-70 to +350 C or +200 C (Giga 2F) -94 to +662 F or +392 F (Giga 2F)
Process pressure up to	285 bar or 460 bar ^1 4183 psi or 6672 psi ^1	100 bar 1450 psi	40 bar 580 psi	100 bar or 250 bar ^1 1450 psi or 3626 psi ^1	up to 700 bar 10000 psi	100 bar or 180 bar ^1 1450 psi or 2610 psi ^1
Line sizes	DN15 to DN40 1/4 in. to 1 1/2 in.	DN15 to DN125 3/8 in. to 5 in.	DN25 to DN80 1 in. to 3 in.	DN15 to DN125 3/8 in. to 5 in.	9/16 or 3/4“in. AutoClave 1/4 in. to 2 in.	DN100 to DN250 4 in. to 10 in.
Accuracy
Mass flow for liquids up to	± 0.1 %	± 0.1 %	± 0.1 %	± 0.1 %	± 0.1 %	± 0.1 %
Mass flow for gas up to	± 0.50 %	± 0.35 %	± 0.35 %	± 0.35 %	± 0.50 %	± 0.35 %
Density for liquids up to	± 0.5 g/l	± 0.5 g/l	± 0.5 g/l	± 0.5 g/l	± 0.5 g/l	± 2.0 g/l
Turndown flat accuracy	○	●	●	○	○	–
Materials and process connections
Material of wetted parts	Alloy C-22/2.4602 & 316L/1.4404	316L/1.4404	316L/1.4404	316L/1.4404 or alloy C-22/2.4602 or 304/1.4301 ^*1	316L/1.4404 or alloy C-22/2.4602 or 304/1.4301^*1	316L/1.4404 or alloy C-22/2.4602 (Giga 1F only)
Flange process connections	EN, ASME, JPI, JIS	EN, ASME, JPI, JIS	−	EN, ASME, JPI, JIS	ASME	EN, ASME, JIS
Threaded process connections	G, NPT	G, NPT	DIN11851, SMS1145	G, NPT	G, NPT	−
Clamp process connections	DIN32676	−	DIN32676, JIS/ISO2852	DIN32676, JIS/ISO2852	−	−
Sensor design
Insulation and heat tracing options	●	–	–	●	–	●
Rupture disk	○ ^*1	–	–	●	●	●
Customer & NAMUR face-to-face length	●	●	–	●	–	○
Approvals / Certificates
3-A, EHEDG, EC1935:04 and EC2023:06	–	–	●	●	–	–
Marine application	●	●	●	●	●	○
Functional Safety	SIL 2 (SIL3)
Custody transfer application	NTEP (Nano 20)	NTEP	NTEP	NTEP, INMETRO	NTEP	NTEP, INMETRO
Hazardous area approvals	IECEx, ATEX, UKEx, FM (USA/Canada), NEPSI, INMETRO, PESO, EAC Ex, Taiwan Safety Label, Korea Ex, Japan Ex, ECAS Ex, Ukraine Ex