Omega Products FP-3197 Installation Manual

User’s Guide

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FP-319 Flow Wet-Tap Assembly

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Servicing North America:

USA: One Omega Drive, P.O. Box 4047

ISO 9001 Certified Stamford CT 06907-0047

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Canada: 976 Bergar

Laval (Quebec) H7L 5A1
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For immediate technical or application assistance:

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Servicing Europe:

Benelux: Postbus 8034, 1180 LA Amstelveen, The Netherlands

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United Kingdom: One Omega Drive, River Bend Technology Centre

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M44 5EX United Kingdom
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It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that
apply. OMEGA is constantly pursuing certification of its products to the European New Approach
Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts
no liability for any errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

page 2 OMEGA FP-319 Flow Wet-Tap Assembly

OMEGA FP-319 Flow Wet-Tap Assembly

SAFETY INSTRUCTIONS

1. The FP-319 Flow Wet-Tap Valve may only be installed into, and removed from, non­pressurized systems (0 psig).

2. System pressure must be 25 psi or less prior to sensor insertion or removal.

3. Stay clear of sensor stroke area and safety cable during sensor removal.

4. Confirm chemical compatibility before use.

5. Do not exceed maximum temperature/pressure specifications.

6. Wear safety goggles or faceshield during installation/service.

7. Do not alter product construction.

Failure to follow safety precautions may result in severe personal injury!

1. Wet-Tap Valve Installation

The OMEGA FP-319 Flow Wet-Tap Assembly attaches directly to OMEGA installation fittings to enable flow sensor removal without
system shutdown. It consists of a flange and support plate which thread onto the pipe fitting insert, and a PVC ball valve through which
an extended length flow sensor is inserted into the pipe.

Caution: The FP-319 Flow Wet-Tap Valve may only be installed into,
and removed from, non-pressurized systems (0 psig).

Procedure

1. Remove six hex nuts and bolts from the Wet-Tap flange. Separate the
support plate from the main assembly. Be sure that the Viton O-ring is
properly seated in the support plate groove.

2. Apply sealant to the pipe fitting insert threads to prevent leaks.

3. Screw support plate onto pipe fitting insert (O-ring side facing up). It must be
threaded completely down until the notches at the top of the pipe fitting insert
are exposed.

4. Mount the main Wet-Tap Assembly on the support plate. Make certain the
alignment keys on the flange mate with the notches on the pipe fitting insert.

5. Loosen support plate (holding the main Wet-Tap Assembly in place) until it
resists slightly. Loosen an additional 1/4-turn to seat O-ring.

6. Replace the six hex nuts and bolts to secure the Wet-Tap Assembly in place.
Adjust the support plate position as necessary to align screws.

7. Check the pressure relief plug on Wet-Tap Assembly. It must be closed
finger tight to prevent leaks.

8. Close ball valve by turning the handle to the fully closed position (parallel with
pipe).

2. Specifications

Dimensions

Materials

Body: PVC
Ball seat: PTFE
O-rings: FPM

Standards

• Manufactured under ISO 9001 and 14001

Total minimum clearance for sensor insertion
and removal:
•1/2 to 4 inch pipe: 737 mm (29 inches)
•5 to 8 inch pipe: 762 mm (30 inches)
•10 inch and up: 813 mm (32 inches)

Fluid Conditions

Pressure/Temperature Ratings:

•7 bar max. @ -18 to 20°C
(100 psi max. @ 0 to 68°F)

• 1.4 bar max. @ 66°C
(20 psi max. @ 150°F)

bar

8

psi

120

1-1/4 X 11-1/2 in.
NPSM thread

Valve handle
(shown in
open position)

Viton O-ring

Support plate

Align notch and key
under wet tap flange
parallel with pipe.

Key

Pressure
relief plug

Allen bolts
and hex nuts

Sealant

80

6

40

3

°F

04080120 160

-18 4 27 49 71°C

3519 Wet-Tap

137 mm

(5.39 in.)

121 mm

(4.75 in.)

185 mm

(7.28 in.)

220 mm

(8.66 in.)

page 3OMEGA FP-319 Flow Wet-Tap Assembly