AM7000 datasheet(13/27 Pages) KEISO

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AM7000 Series METAL TUBE VARIABLE AREA FLOWMETER

TG-F2026-E21

TOKYO KEISO CO., LTD.

ADDITIONAL FUNCTION

●

Cooling fin

(Model AM7

□□□/FB)

A cooling fin is to be provided between tube part and indicator hous-

ing to release fluid heat in case fluid temperature is more than 150°C.

Cooling fin is available for models AM72

□□ (Bottom-Top side),

AM73

□□ (Bottom side-Top side), AM76□□ (Left- Right) and

AM77

□□ (Right-Left).

●

Jacket

(Model AM7

□□□/JS, Semi-jacket, AM7□□□/JF, Full-jacket)

Heating jacket is available for the application of high viscosity and/or

sticky fluids. Semi-jacket covers tube part only and full-jacket covers

flanges as well. Steam inlet/outlet is screw connection (Rc or NPT).

Heating jacket is available for AM71

□□ (Bottom-Top) and AM72□□

(Bottom-Top side). Only 150 lbs rating is available for full-jacketed

flowmeters (AM

□□□/JF).

●

Liquid damper

(Model AM7

□□□/DL)

A damper is to be provided for steam and gas applications to prevent

vibration of float. A damper pot is provided at the bottom of tube part

in which damper liquid (silicon or diflon oil) is contained. The friction

between damper liquid and damper makes the float movement

smooth for stable indication and durability of moving part. Damper is

also recommended for liquid application with heavy pulsation.

Available types are AM73

□□ (Bottom side-Top side), AM76□□ (Left-

Right) and AM77

□□ (Right-Left).

●

Gas damper

(Model AM7

□□□/DU)

Gas damper is available for gas measurement application which does

not require damper liquids. (Gas dampers are available for metallic

flowmeters only.)

Mechanical damper is integrated at the part of float guide which con-

sists of piston and cylinder. As it is not required to install liquid damp-

er at the bottom of flowmeters, it contributes to increase the flexibility

of piping design. Also it is not required to fill damper liquid that saves

maintenance labour works.

Gas damper is applicable for gas measurement applications and not

suitable for liquids and steam. Also chlorine gas (easy to form chemi-

cal compound) and gas containing rust, trash and oil may hinder the

function of piston part. Consult factory for details. Available size is

20mm to 100mm (Not available for 15mm) and only for metallic mate-

rial (Not for lined material).

Flow

Float guide

Body

Fin

Indicator

2-Rc1/4

Lead pipe jackets

Lead pipe

Jackets pipe

Body

2-Rc1/4

Lead pipe jackets

Lead pipe

Jackets pipe

Body

2-Rc3/8

Semi-jacket

Full-jacket

Flow

Damper pot

Damper

Damper liquid

Float rod

Cylinder

Piston

Float rod

Tapered tube

Float

AM7000 Datasheet(PDF) 13 Page - TOKYO KEISO CO.,LTD.

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