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Verabar V450 (Hand Insert)

INSTALLATION INSTRUCTIONS

1.0 SCOPE

These instructions provide procedures for installing the

V450 Verabar flow sensor. Procedures are given for all

industrial flow measurement applications including liquid,

steam and gas service for both horizontal and vertical

piping configurations.

2.0 RECEIVING INSPECTION

The following tasks should be performed as part of the

receiving inspection procedure:

• Check items received against the packing list.

• Check sensor nameplate for proper model number,

serial number and customer number.

• Verify that the actual pipe diameter matches the ID

stated on the sensor nameplate.

• Check the bullet shaped sensor tube for any signs

of damage. Damage to the sensor tube may result

in erroneous flow readings.

• Check the round cover tube for any damage,

especially axial gouges or scratches. Damage to

the cover tube may prevent the packing from

sealing properly.

3.0 SAFETY PRECAUTIONS

The following tasks should be conducted prior to

installing the Verabar flow sensor:

• Check maximum operating conditions on the flow

sensor nameplate and verify that they exceed the

maximum conditions of the installation. If any

pressure, temperature or flow limits will be

exceeded, consult the factory before proceeding.

–05 Sensor –10 Sensor –15 Sensor

130 psig max. 50 psig max. 15 psig max.

Table 1. Maximum Pressures

• Note the maximum pressures shown in Table 1.

4.0 INSTALLATION PREPARATION

4.1 Location

For the most accurate flow measurement, a minimum

straight run of pipe is required. Table 2 shows the

minimum straight run requirements. If longer straight

runs are available, position the Verabar such that the

ratio of upstream straight run to downstream straight run

is approximately 4 to 1. If straight run lengths are less

than the values stated in Table 2, consult the factory for

additional accuracy and location information. For

additional piping configurations, see Drawing SUB-4521.

Position straightening vanes such that the end closest to

the Verabar is half way between the Verabar and the

closest upstream configuration. For elbow installations,

mount the Verabar in the same plane as the closest

upstream elbow.

4.2 Orientation

Verify the proper sensor orientation by checking for an

“-H” (horizontal piping) or a “-V” (vertical piping) in the

model number on the Verabar nameplate. Verify that the

flow arrow stamped on the instrument head is pointing

downstream in the direction of flow.

4.2.1 Horizontal Piping

For air or gas installations, mount the Verabar in the

upper 160° of the pipe to allow any condensate to drain

into the pipe (Figure 1). For liquid or steam installations,

mount the Verabar in the lower 160° of the pipe. This

allows any entrained air to bleed back into the pipe for

liquid applications and allows condensate to collect in

the instrument piping for steam applications.

Table 2. Straight Run Requirements

Piping Configuration

1 2 3 4

Résumé du contenu

Page 1 - Verabar V450 (Hand Insert)

Verabar V450 (Hand Insert) INSTALLATION INSTRUCTIONS 1.0 SCOPE These instructions provide procedures for installing the V450 Verabar flow sensor.

Page 2

Figure 2. Verabar Model V4504.2.2 Vertical Piping The Verabar may be mounted in any location around the circumference of the p

Page 3

Gap (1/16" [1.5mm] typicalTack WeldProtect ThreadsComplete WeldAccessValveCloseNippleThreadolet5.3 Retract Sensor and Tighten Packing Remove jam

Page 4 - Sensor Removal Procedure

Figure 7. Orientation of Flow Arrow• Once the sensor is completely bottomed, slide the retaining ring over the three retaining

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Veris Verabar V450 Installation Instructions Manuel d'utilisateur

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