Bray TRI LOK User manual

TRI LOK®

TRIPLE OFFSET VALVE

Installation, Operation and Maintenance Manual

BRAY.COM THE HIGH PERFORMANCE COMPANY

TRI LOK®

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.

1 of 23

For information on this product and other Bray products please visit us at our web page - www.bray.com

CONTENTS

1.0 Definition of Terms 2

2.0 Introduction 2

3.0 Safety Information 3

4.0 Installation 5

5.0 Long Term Storage 6

6.0 Handling Requirements 7

7.0 Actuation And Travel Stop Setting Instructions 8

8.0 Valve Part Diagram - Class 150, 300 9

9.0 Exploded View - Class 150, 300 10

10.0 Valve Parts Diagram - Class 600 11

11.0 Exploded View - Class 600 12

12.0 Standard Maintenance 13

TABLES

Table 1 - Minimum Allowable Pipe ID for Tri Lok Installation 6

Table 2 - Torque Values for Packing Gland Hex Nuts 21

Table 3 - Torque Values for Seat Retaining Cap Screws and Seal Retainer Cap Screws and Bottom Plate (Class 150/300) 21

Table 4 - Torque Values for Seat Retaining Cap Screws and Seal Retainer Cap Screws and Bottom Plate (Class 600) 22

Table 5 - Torque Values for Bracket Fasteners 22

TRI LOK®

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.

2 of 23

READ AND FOLLOW THESE INSTRUCTIONS CAREFULLY.

SAVE THIS MANUAL FOR LATER USE.

1.0 DEFINITION OF TERMS

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, may 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.

2.0 INTRODUCTION

2.1 Information provided in this manual is for standard Tri Lok

conﬁguration only. Speciﬁc instructions for non-standard materials

of construction, temperature range, etc. should be referred to the

factory.

2.2 This manual covers Tri Lok valves in the following range:

ASME Classes Sizes Body Style

150, 300, and 600 3” - 48”

(80mm - 1200mm)

Wafer, Lug,

Double Flange, Gate

2.3 The Tri Lok metal seated valve is fully rated to ASME B16.34, and

complies with API 609.

2.4 Tri Lok is torque-seated. Torque must be continually applied by an

actuation device (manual gearbox or power valve actuator) to the valve

stem to ensure the valve seals against the line pressure.

WARNING

Do not remove or de-energize actuation devices while the valve is under line

pressure.

2.5 The valve is inherently ﬁre safe, and has been qualiﬁed to ISO 10497

and API 607 standards

2.6 The preferred direction of valve installation is with the upstream line

pressure on the stem side and the body seat on the downstream side.

2.7 The preferred direction of ﬂow is indicated by an arrow on the valve

nameplate.

TRI LOK®

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.

3 of 23

3.0 SAFETY INFORMATION

3.1 ATEX Directive 2014/34/EU

WARNING

When using this product in hazardous environments, the national directives and

laws which apply in your country for hazardous areas must be followed. The

speciﬁcations of the examination certiﬁcate valid in country of operation must be

also observed.

3.2 Marking

Certiﬁcate Number: LRV 14ATEX0001X

Certiﬁcation Code:

Non-Mining Applications

0038

2813 II 1G Ex h IIC Tx Ga

Mining Applications

0038

2813 I M1 Ex h Tx Ma

Ambient Range: TX See Special Conditions for Safe Use

Serial Number: As appropriate

Year of Manufacture:

Warnings:

3.3 Special Conditions for Safe Use

The following factors must be carefully considered in order to ensure

the valve is compatible with the atmosphere in which it is applied. The

system designer and/or end user should formally address each item and

carefully document the reasoning behind speciﬁc measures taken to

ensure continued compliance throughout the life of the Tri Lok valve

3.4 Material Considerations

Titanium is not to be used in Group I mining applications and Group

II Category 1 equipment, due to the potential of ignition from sparks

caused by mechanical impacts. Please consult factory for details

regarding material limitations.

TRI LOK®

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.

4 of 23

3.5 Temperature Considerations

The surface temperature of the Tri Lok valve is wholly dependent on

the ambient temperature in combination with the temperature of the

process medium. The maximum surface temperature of the Tri Lok

valve may be calculated from the maximum ambient temperature plus

the maximum process medium temperature as shown below:

Equation 1 - Surface Temperature Calculation

Ts(max) = Ta(max) + Tp(max)

The system designer is responsible for ensuring the maximum

temperature, either inside the valve body or on the external surface,

will remain well below the ignition temperature of the atmosphere.

Additional protective devices may be required to ensure a suﬃcient

thermal safety margin, including but not limited to: thermal shut-off

devices and cooling devices.

For operating temperatures above 200° C (392°F) Bray recommends

thermal insulation of the valve body.

3.6 Static Electricity Considerations

Where the process medium is a liquid or semi-solid material with a

surface resistance in excess of 1 G-ohms, special precautions should be

taken to ensure the process does not generate electro-static discharge.

This may be done through ensuring the ﬂow rate of the process media

remains below 1m/s or providing suﬃcient discharge points along the

process path to eliminate electrostatic build-up. Consultation to EN

50404 is recommended.

Appropriate grounding may be necessary through the use of grounding

straps or other means.

3.7 Stray Electric Current Considerations

When the Tri Lok valve is used near sources of high current or magnetic

radiation, a secure bonding to earth ground should be made so as to

prevent ignition due to inductive currents or a rise in temperature due

to these currents.

3.8 Filtration of Process Medium Considerations

Special consideration should be made regarding the ﬁltration of

the process medium if there is a potential for the process medium

to contain solid particulates. The process medium is recommended

to be ﬁltered to allow particles no greater than 1.0 mm in diameter

through the valve assembly where there is a high probability of solid

particulates. Larger particulate sizes may be deemed appropriate based

on the possibility of particulates within the process medium and the

area classiﬁcation. The decision regarding ﬁltration levels and limits

should be well-documented by the system designer and/or end user to

ensure continued compliance through the life of the valve.

TRI LOK®

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.

5 of 23

4.0 INSTALLATION

4.1 Tri Lok is designed to be installed between ASME B16.5, B16.47 ﬂanges.

When the valve is open, a portion of the disc may protrude into the

pipe. Wafer, lug and some double ﬂange conﬁgurations will protrude on

both sides of the valve. In double ﬂange and some gate conﬁgurations,

the open disc may protrude into the pipe on the seat side of the valve.

Adjacent piping must be large enough to allow the open disc to clear

the pipe. Table 1 shows the minimum allowable pipe ID.

4.2 The valve closes with clockwise rotation of the stem and opens with

counterclockwise rotation.

CAUTION

Avoid uncontrolled rotation of the disc beyond fully-open position

(counterclockwise) as this could damage the sealing surfaces.

4.3 To beneﬁt from the most favorable low operating torque and best

sealing conditions, install the valve with the stem on the upstream

(pressure side) of the installation. The valve tag is marked with an arrow

indicating the preferred direction of ﬂow.

4.4 Whenever possible, install with the stem horizontal. If this installation is

not possible, orient the stem at an inclined angle above the horizontal

centerline.

4.5 Flange gaskets should conform to the requirements of ASME B16.20 for

ASME B16.5/ASME B16.47 ﬂanges. Spiral wound gaskets conforming to

ASME B16.20 are recommended.

4.6 When bolting the valve into the line, use standard bolting torque as

recommended by applicable piping standards. The valve body seat

is independent of the ﬂange bolting. Additional force from the ﬂange

bolts is not required.

TRI LOK®

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.

6 of 23

Table 1 - Minimum Allowable Pipe ID for Tri Lok Installation

Valve/Pipe

Size

Minimum Pipe ID

Class 150 Class 300 Class 600

In mm In mm In mm In mm

3 80 2.4 61 2.5 64 Consult

Factory

Consult

Factory

4 100 3.3 84 3.6 91 2.0 52

6 150 5.3 135 5.4 137 3.9 100

8 200 7.1 180 7. 3 185 4.6 117

10 250 9.0 228 9.6 244 6.2 158

12 300 11.0 278 11.7 297 8.1 206

14 350 12.2 310 12.4 315 10.6 269

16 400 14.2 359 14.6 371 11.2 284

18 450 15.9 403 16.4 417 12.8 326

20 500 17.9 454 18.4 467 14.4 366

24 600 21.8 554 20.8 528 16.3 414

28 700 24.3 616 24.1 613

Consult

Factory

30 750 27.0 686 28.7 729

32 800 29.4 747 29.0 737

36 900 33.3 846 35.0 889

40 1000 36.8 834 36.4 925

42 1050 39.1 992 Consult

Factory

48 1200 44.9 1140

Notes for Table 1

> Minimum allowable ID of pipe with recommended clearances (per API 609).

> This table assumes that the valve is centered in the pipe flanges.

> A minimum of 1/16" (1.6 mm) thick gasket is used between the pipe flange and

the face of the valve body.

5.0 LONG TERM STORAGE

5.1 If valves are to be stored before installation, storage must be carried

out in a controlled manner as follows:

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

2. Valve disc to be in closed position and the body end faces must

be covered with appropriate ﬂange protection. Flange protectors

should only be removed at the time of installation.

3. Valves should be stored indoors with a preferred temperature

range from 40°F (4°C) to 85°F (29°C).

4. The valves should be checked to ensure the above conditions are

maintained every three months.

5. These are general guidelines for valve storage. Please consult the

factory for information regarding speciﬁc requirements.

TRI LOK®

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.

7 of 23

6.0 HANDLING REQUIREMENTS

6.1 Packed Valves

1. Crates: Lifting and handling of the packed valves in crates will be

carried out by a fork lift truck, by means of the appropriate fork

hitches.

2. Cases: The lifting of packed valves in cases will be carried out in

the lifting points and in the center of gravity position which have

been marked. The transportation of all packed material must be

carried out safely and following the local safety regulations.

6.2 Unpacked Valves

1. Lifting and handling of valves should be carried out by using

appropriate means and observing the carrying limits. Handling

must be carried out on pallets, protecting all machined surfaces to

avoid any damage.

2. With large bore valves, rigging the load must be carried out by

using the appropriate tools to prevent the valve from falling or

moving during the lifting and handling.

CAUTION

For valve handling and/or lifting, the lifting equipment (fasteners, hooks, etc.)

must be sized and selected while taking into account the valve weight indicated

in our packing list and/or delivery note. Lifting and handling must be made only

by qualiﬁed personnel.

Fasteners must be protected by plastic covers in sharp corner areas.

Caution must be taken during the handling to avoid this equipment passing over

the workers or over any other place where a possible fall could cause injury or

damage. In any case, local safety regulations must be respected.

TRI LOK®

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.

8 of 23

7.0 ACTUATION AND TRAVEL STOP SETTING

INSTRUCTIONS

7.1 Tri Lok is a quarter turn, metal-seated triple offset valve. There is no

mechanical stop in the valve at the “closed” position.

7.2 When installing ANY type of actuator on a Tri Lok valve, the following

general instructions should be followed closely. These general

instructions include all actuation types: manual gear, pneumatic,

hydraulic and electric actuators.

1. Select a desired orientation for the actuator mounting relative

to the valve. The disc should be oriented with the disc indicator

marked on the stem.

2. Rotate BOTH valve and actuator to either the full “open” or full

“closed” position to establish a common reference point.

3. Mount actuator to the valve and secure.

Notes:

> With valve/actuator in the closed position, it may be necessary to

loosen the “closed” mechanical stop to allow the mounting holes to

align properly.

> Special applications may require more specific instructions. Please

consult the factory for further instruction.

CAUTION

Valves can be damaged if proper care is not exercised during the setting of Open

and /or Closed stops.

7.3 Actuator Stop Settings

The Tri Lok valve is a torque seated valve. During normal operation,

only the open mechanical stop on the actuator should function. Set the

opening stroke stop to stop the disc rotation in the fully open (90°)

position.

For safety reasons, the closed mechanical stop shall be set as follows:

1. Unscrew the closing stroke mechanical stop.

2. Close the valve applying the correct end-to-close torque required

for the particular service. Check that the mechanical stop is free.

3. Adjust mechanical stop until engagement.

4. Loosen the mechanical stop 1-11/2turns to ensure there is enough

travel for the valve to receive the required torque and to protect

the valve from excessive torque.

5. Tighten the stop lock nut with the torque speciﬁed in the actuator

operating manual.

6. Mark the closing stop set position.

TRI LOK®

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.

9 of 23

8.0 VALVE PART DIAGRAM - CLASS 150, 300

Sectional Drawing Standard Conﬁguration Tri Lok Valve

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