Bray FLOW-TEK Series Manual de usuario

FLOW-TEK SERIES RFRF

ONE PIECE FLANGED BALL VALVES

Installation, Operation, and Maintenance Manual

BRAY.COM THE HIGH PERFORMANCE COMPANY

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

TABLE OF CONTENTS

1.0 Deﬁnition of Terms 3

2.0 Design 4

3.0 Use 4

4.0 General Information for On-Site Installation 5

5.0 Operation 5

6.0 Parts identiﬁcation 6

7.0 Section Views 7

8.0 Safety Tips and Warnings 8

9.0 Short and Long-Term Storage 9

10.0 Stem Seal Adjustment 10

11.0 Disassembly and Cleaning Procedure 11

12.0 Disassembly 12

13.0 Visual Inspection 12

14.0 Assembly 13

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

 DEFINITION OF TERMS

All information within this manual is relevant to the safe operation

and proper care of your Bray valve. Please understand the

following examples of information used throughout this manual.

DANGER

Indicates a potentially hazardous situation which, if not avoided,

will result in death or serious injury.

WARNING

Indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury.

CAUTION

Indicates a potentially hazardous situation which, if not avoided,

could result in minor or moderate injury.

NOTICE

Used without the safety alert symbol, indicates a potential

situation which, if not avoided, may result in an undesirable result

or state, including property damage.

READ AND FOLLOW THESE INSTRUCTIONS CAREFULLY

SAVE THIS MANUAL FOR FUTURE USE

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

 DESIGN

The design features of this valve include a one piece construction

body which results in simpliﬁed maintenance and trouble free

operation. These valves feature a “free ﬂoating” ball. The ball is

not ﬁxed, but is free to move with the line pressure. As a result of

this feature, these valves are capable of tight shut-o with ﬂow in

either direction or dead-ended, regardless of the position of the

valve in the line.

The downstream seat, opposite the pressurized side of a closed

valve, must carry the load exerted by the line pressure on the

ball, while the upstream seat is subject to little load or wear. For

this reason, it is sometimes possible to increase useful seat life by

turning the valve end-for-end in the pipeline.

 USE

The valve should be maintained as part of a preventative

maintenance program and in accordance with manufacturer’s

recommended pressure, temperature and corrosion limits to

insure a long service life. During shipment, storage, and in

operation, the valve should be fully open or fully closed (“open”

is preferred for shipping and storage). Do not use in throttling

service without investigating ﬂow and pressure conditions.

WARNING

Before installing this equipment, conﬁrm that it is suitable for the

intended service.

The identiﬁcations tags describe the maximum allowable service

conditions for this product.

Be sure that the installation is protected by appropriate pressure

control and safety devices to insure that acceptable limits are not

exceeded.

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

 OPERATION

Operation of the valve is done by turning the handle a 1/4 turn

(90 degree turn). Clockwise to close, counter clockwise to open.

 Valve Open Position

The handle is parallel with the pipeline.

 Valve in closed Position

The handle is perpendicular to the pipeline.

Valves with actuators should be checked for actuator-valve

alignment. Misalignment will result in high operational torque and

damage to valve stem and seals.

 GENERAL INFORMATION FOR ON-SITE INSTALLATION

The valve may be installed in any orientation on the pipeline and

should be installed in the full open position

Before installing the valves, the pipes must be ﬂushed clean of

dirt, burrs, and welding residues, or the seats and ball surface

will be damaged. If for any reason the valve is installed prior to

ﬂushing of the piping system, the valve must remain in the full

open position until the piping system has been fully ﬂushed clean

of debris.

For hydrostatic testing of the piping system, the valves must be

placed in the half open position prior to pressurizing the system.

If the valve is installed in a dead-end position on the piping, the

valve must be placed in the half open position and equipped with

a blind ﬂange prior to pressurizing the system.

NOTICE

Hydrostatic system testing with the valve in the closed position

may result in damage to the valve seats aecting their ability

to create a proper seal Failure to implement the installation and

testing instructions as outlined, resulting in a valve failure, will

void the warranty coverage of the product.

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

 PARTS IDENTIFICATION

4

A

5

8

9



B

0

 –  Valves

Item Name

Body

End Cap

Ball

Seat

Seat Support

Body Seal*

 Anti-Static Device

A Packing Protector*

B Washer Protector*

 Thrust Washer*

 Stem Bearing*

 Stem Packing*

 Packing Gland Sleeve

 Packing Gland Plate

 Gland Bolt

 Belleville Washer

 Tab Washer

 Travel Stop Housing

 Housing Bolt

 Travel Stop

 Travel Stop Set Sleeve

 Travel Stop Bolt

 Handle

 Lock Nut

 Handle Bolt

 Handle Sleeve

 Locking Device

 Snap Ring

* Parts included in repair kit

 –  Valves

11A

11B

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

 SECTION VIEWS

øB

N x øT

øS

øF

N x øT

øB

øF øS

– Valves

 –  Valves

Dimensions may be found in product literature

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

 SAFETY TIPS AND WARNINGS

1. Before installation conﬁrm that valve is suitable for the

intended service.

2. Make sure that line is depressurized and drains are open/

monitored during installation.

3. Before working on valve being in service make sure that

service media has been ﬂushed and line is safe. Make sure

that all applicable MSDS sheets are available. Follow all safety

related procedures.

4. Before disassembly valve shall be cycled several times to

assure there is no pressure trapped in body cavity.

5. During assembly make sure that all threaded connections are

safe and have proper engagement.

6. During the pressure test of reassembled valve follow all safety

precautions to avoid possible injury. (Use of proper test

equipment, correct parts assemblies, follow test procedures.)

7. While line is under pressure DO NOT remove packing gland

or any other valve parts.

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

 SHORT AND LONG-TERM STORAGE

 Short-Term Storage

Short-term storage is deﬁned as storage of products and

equipment to be used in the construction of a project for periods

of one to three months. Short-term storage must be carried out

in a controlled manner as follows:

1. Valves must be stored in a closed, clean, and dry

environment.

2. Ball valves should be stored in the fully open position to

protect the ball and seats.

3. Ball valves should remain in the original shipping container

and be placed on pallets of wood or other suitable materials.

End protectors should remain on the valve ends to prevent

the entrance of dirt, and removed only at time of installation.

 Long-Term Storage

Long-term storage is deﬁned as storage of products and/or

equipment for periods longer than 3 months. Long-term storage

must be carried out in a controlled manner as follows:

1. Valves must be stored in a closed, clean, and dry

environment.

2. Ball valves should be stored in the fully open position to

protect the ball and seats.

3. Ball valves should remain in the original shipping container

and be placed on pallets of wood or other suitable materials.

End protectors should remain on the valve ends to prevent

the entrance of dirt, and removed only at time of installation.

4. Periodically, the valves should be checked to ensure the

above conditions are maintained.

These are general guidelines for valve storage. Please consult the

factory for information regarding speciﬁc requirements.

FLOW-TEK SERIES RF15/RF30

FLANGED ONE PIECE BALL VALVES

Installation, Operation, and Maintenance Manual

contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would

violate its proprietary nature without the express written permission of Bray International, Inc.

 STEM SEAL ADJUSTMENT

For 1" - 2", if slight leakage is noted at stem, straighten lock

washer tab, tighten stem nut to ﬂatten Bellville Washers, back

stem nut o 1/4 turn, secure lock washer tab.

For sizes larger than 2", simply tighten gland bolts evenly until

leak stops. Do not over tighten. See Table  for Recommended

Gland Nut Torque.

WARNING

DO NOT remove packing gland or any other valve parts while line

is under pressure!

Stem seal leakage may be corrected without disassembly by

tightening the packing gland nut until such leakage stops. If the

leakage continues or valve operating torque becomes excessive,

the seals are worn and replacement will be necessary.

Table  - Recommended Gland Nut Torque

Valve Size

NPS

Recommended

Torque lbs-in

Valve Size

Recommended

Torque N-m

53  6

- 53  6

132  15

89  10

89  10

89  10

106  12

 106  12

 124  14

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