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<9. Approvals>

IM 01E20A01-01EN

9. Approvals

This chapter describes further requirements and notices

concerning the approval. The description in this chapter is

prior to other description in this User’s Manual.

(1) PED (Pressure Equipment Directive)

(AXF Integral Flowmeter),

(AXF Remote Flowtube)

• Technical Data

Module: H

Type of Equipment: Piping

Type of Fluid: Liquids and gas

Group of Fluid: 1 and 2 (*4)

General-purpose Use / Submersible Type / Explosion Proof

Type

MODEL

(mm) (*1)

(MPa) (*1)

PS DN

(MPa • mm)

CATEGORY

(*2) (*4)

AXF015H 15 1 15

Sound Engineering

Practice (SEP) (*3)

AXF025H 25 1 25

Sound Engineering

Practice (SEP) (*3)

AXF032H 32 1 32 I

AXF040H 40 1 40 I

AXF050H 50 1 50 I

AXF065H 65 1 65 I

AXF080H 80 1 80 I

AXF100H 100 1 100 I

AXF125H 125 1 125 II

*1: PS: Maximum allowable pressure for Flowtube

DN: Nominal size

*2: For details, refer to the following.

Table 6 covered by ANNEX II of Directive 97/23/EC

 (untilJuly18th,2016)

Table 6 covered by ANNEX II of Directive 2014/68/EU

 (fromJuly19th,2016)

*3: Article 3, paragraph 3 of Directive 97/23/EC

 (untilJuly18th,2016)

Article 4, paragraph 3 of Directive 2014/68/EU

 (fromJuly19th,2016)

*4: ModelsclassiedincategoriesIorIIshallnotbeusedfor

unstable gases of Group 1.

• Installation

WARNING

• Tighten the bolts of the piping joints according to

the prescribed torque values.

• Takemeasurestoprotecttheowmetersfrom

forces caused by vibration channeled through the

piping.

• Operation

WARNING

• The instrument should be operated with the

temperatureandpressureoftheuidunder

normal operating conditions.

• The ambient temperature should be that of normal

operating conditions.

• Take measures to prevent excessive pressure

such as water hammer, etc. To avoid water

hammer prevent the pressure from exceeding the

PS (maximum allowable pressure) by setting the

system’s safety valves, etc. appropriately.

• Shouldexternalreoccur,takesafetymeasuresat

the device itself or system-wide prevent it having

aneffectontheowmeters.

• Avoidusinguidsexceedingthecorrosionproof

limitations of the lining and electrodes.

• Take measures not to abrade the metal pipe, and

avoidabradingtheliningbyusinguidssuchas

slurry and sand are contained.

Approvals

Brand	YOKOGAWA
Model	AXFA14C
Category	Measuring Instruments
Language	English

YOKOGAWA AXFA14C User Manual

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YOKOGAWA AXFA14C Specifications

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