NR_Type0 pages

MWit MM TlPt fUUK mummmmsi

Operation Principle

The variable area flow meter content a float & taper tube. The fluid flow through the taper tube

and force up to the float. The flow rate is measured as a function of the area of the opening.

This area displayed as the float that is free to move to produce the varying area.

Technical Data

A. Measuring The Flow Rate For

• Gases & Liquid

• Chemical process system

•Water treatment system

• Industrial flow system

B. Service Condition

• Viscosity: <, 3 cP

• Max. working temperature: Metal: 100'C; Plastic: 60*C

• Max. working pressure:

(1) Body material: NRS: 15 kg/cm2,

NRI: 15 kg/cm2, NRV: 6 kg/cm2

(2) Glass tube: Borosilicate glass 6 kg/cm2

(3) P.Ctube: 10 kg/cm2, Instant pressure: 15 kg/cm2

Dimensions

C. Alarm Switch Available (N.Q)

• Switch rating: AC 125V 0.5A/DC 100V10W/

Max. DC 250V <lmA

D. Accuracy: ±2.5% F.S

unit=mm

Ordering Information

NR-Type

Code

Model

Coda

Float Material

NRS

Wetted parts are stainless steel

(1) SS304 (2) SS316 (3) P.V.C (4} P.P.

NRI

Wetted parts are steel

(5)PVDF (6) Teflon (0) option

NRV

Wetted parts are plastic

Code

Size

(1) 6A (2) IDA (3) 15A (4) 20A

(5)25A (6)32A (7)40A (8) 50A

Code

Connection Thread

(1) PT Male (2) PT Female (3) NPT Male (4) NPT Female

Code

Body Material

(1JSS304 (2) SS316 (3) SS316L (4) P.V.C

(5) P.P (6) PVDF (7) Option

Code

Indicating Tube Material

(1) Borosilicate glass (2) PC

Code

Seal Material

(l)NBR (2) Viton (3} Teflon

Code

Protection Supporter Material

(DSS304 (2) SS316

Coda

Flow Range

0.03-400 L/min for liquid

0.5-5000 NL/min for gases

Code

1R

2R

Alarm Switch

One setting point

Two setting point

Without alarm

NR-Type