Fisher 8560 Manuel utilisateur

www.Fisher.com

Fisher™8560 Eccentric Disc

Butterfly Control Valve

Contents

Introduction 1.................................

Scope of Manual 1.............................

Description 1.................................

Specifications 2...............................

Installation 3..................................

Valve Orientation 5............................

Maintenance 9.................................

Packing Maintenance 12........................

Seal Ring Maintenance for NPS 3 through

12 Only 16.................................

Seal Ring Maintenance for NPS 2 21..............

Disc, Drive Shaft and Bearing Maintenance

for NPS 3 through 12 Only 22.................

Disc, Drive Shaft and Bearing Maintenance

for NPS 2 25................................

Actuator Mounting 26.........................

Parts Ordering 28...............................

Retrofit Kits for ENVIRO‐SEALtPacking 29........

Repair Kits for ENVIRO‐SEAL Packing 29...........

Parts List 29...................................

Figure 1. Fisher 8560 Valve with 1052 Actuator and

DVC6000 Series Digital Valve Controller

W8299

Introduction

Scope of Manual

This instruction manual includes installation, maintenance, and parts information for NPS 2 through 12 8560 Eccentric

Disc Butterfly Control Valves (see figure 1). Refer to separate instruction manuals for information covering the

actuator and accessories.

Do not install, operate, or maintain 8560 valves without being fully trained and qualified in valve, actuator, and

accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important to

carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If you

have any questions about these instructions, contact your Emerson sales office or Local Business Partner before

proceeding.

Description

The seal design of the 8560 eccentric disc high performance butterfly valve provides excellent shutoff capability. The

valve includes PTFE‐filled or graphite packing rings that electrically bond the shaft to the valve body. This valve has a

spline drive shaft end, and soft or metal seal rings for use in a wide variety of applications.

Instruction Manual

D102013X012

8560 Valve

June 2017

Instruction Manual

D102013X012

8560 Valve

June 2017

Table 1. Specifications

Valve Size and End Connection Styles

NPS J2, J3,J4,J6,J8,J10, and

J12 valves and in Wafer or Single flanged style (NPS

2 available in wafer only)

Maximum Inlet Pressure(1)

Carbon Steel and Stainless Steel Valve Bodies:

Consistent with CL150 and 300

pressure/temperature ratings per ASME B16.34

unless limited by material temperature capabilities.

NPS 2 is also consistent with CL600.

Maximum Pressure Drops(1)

Consistent with CL150 and 300 pressure‐temperature

ratings per ASME B16.34 except for PTFE, UHMWPE

and Phoenix III seals which are derated at some higher

pressure‐temperature values. Refer to figure 2

Shutoff Classifications

JPTFE, Reinforced PTFE, and UHMWPE(3) Seals:

Bidirectional shutoff to Class VI per ANSI/FCI 70‐2 and

IEC 60534‐4.

JNPS 2 Metal Seal:Bidirectional shutoff. 0.001%

of maximum valve capacity (1/10) of Class IV per

ANSI/FCI 70‐2 and IEC 60534‐4. Maximum Pressure

drop is 51 bar (740 psi) forward and 6.9 bar (100 psi)

reverse.

JNOVEX Seal: For NPS 3 through 12. Unidirectional

shutoff is 0.0001% of maximum valve capacity (1% of

Class IV) in the reverse flow direction per ANSI/FCI

70‐2 and IEC 60534‐4.

JPhoenix III Seal: For NPS 3 through 12. Bidirectional

shutoff to Class VI per ANSI/FCI 70‐2 and IEC 60534‐4.

For the optional

Phoenix III Fire‐Tested seal, consult your Emerson

sales office or Local Business Partner.

Flow Characteristics

Approximately linear

Disc Rotation

Clockwise to close (when viewing from the drive shaft

end) through 90 degrees of disc rotation (see figure

10)

Flow Direction

See figure 3

Actuator/Valve Action

With the diaphragm or piston actuators, the valve

action is field‐reversible. Refer to information in the

Installation section.

Valve Classification

Face‐to‐face dimensions of NPS 3 through 12 are in

CL150 and 300, and meet

API 609 or MSS‐SP‐68 standards for face‐to‐face

dimensions of wafer‐style and single flange valves.

Shaft Diameters

See table 2

Approximate Weights

See table 2

ENVIRO‐SEAL Packing

This optional PTFE or graphite packing system

provides excellent sealing, guiding, and transmission

of loading forces to control liquid and gas emissions

(see figure 8). See bulletin 59.3:041 ENVIRO‐SEAL

Packing System for Rotary Valves (D101638X012) for

more information.

1. The pressure/temperature limits in this manual and any applicable standard or code limitation for valves should not be exceeded.

2. For components selection and applicable fire tested standards and codes, consult your Emerson sales office.

3. UHMWPE stands for ultra high molecular weight polyethylene.

Instruction Manual

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June 2017

Table 2. Valve Size, Shaft Diameter, and Approximate Weight

VALVE SIZE,

NPS CLASS SHAFT DIAMETER APPROXIMATE WEIGHT

Wafer‐Style Single‐Flange

mm Inches kg Pounds kg Pounds

2 150/300/600 12.7 1/2 4.3 9.5 ‐ ‐ ‐ ‐ ‐ ‐

3150 12.7 1/2 4.5 10 6.4 14

300 15.9 5/8 5.9 13 11 25

4150 15.9 5/8 8.6 19 11 24

300 19.1 3/4 10 23 18 39

6150 19.1 3/4 13 29 16 35

300 25.4 1 15 33 27 59

8150 25.4 1 21 47 27 59

300 31.8 1‐1/4 24 53 42 93

10 150 31.8 1‐1/4 34 75 40 88

300 38.1 1‐1/2 44 96 78 172

12 150 38.1 1‐1/2 49 107 62 137

300 44.5 1‐3/4 64 141 131 288

Installation

The valve is normally shipped as part of a control valve assembly, with the power actuator mounted on the valve. If the

valve or actuator have been purchased separately, or if the actuator has been removed for maintenance, mount the

actuator on the valve, and adjust actuator travel before inserting the valve body into the line. This is necessary due to

the measurements that must be made during the actuator calibration adjustment process. Refer to the Actuator

Mounting section of this manual to mount the actuator on the valve. Refer to the actuator instruction manual for

mounting and adjusting instructions before proceeding.

WARNING

Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal

injury.

To avoid personal injury or property damage resulting from the sudden release of pressure, do not install the valve

assembly where service conditions could exceed the limits given in this manual, the limits on the appropriate nameplates,

or the matching pipe flange rating. Use pressure‐relieving devices as required by government or accepted industry codes

and good engineering practices.

Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this

instruction manual.

WARNING

The valve configuration and construction materials are selected to meet particular pressure, temperature, pressure drop,

and controlled fluid conditions. Responsibility for the safety of process media and compatibility of valve materials with

process media rests solely with the purchaser and end‐user. Since some valve body/trim material combinations are limited

in their pressure drop and temperature range capabilities, do not apply any other conditions to the valve without first

contacting your Emerson sales office or Local Business Partner.

Instruction Manual

D102013X012

8560 Valve

June 2017

Table 3. Maximum Allowable Inlet Pressure for M35‐1 and CW2M Valve Bodies(1)

TEMPERATURE M35‐1 CW2M

150 300 600(2) 150 300 600(2)

_C Bar

-46 to 38

149

204

260

15.8

13.8

13.1

12.7

11.7

41.3

36.5

34.1

33.1

32.8

82.7

72.7

68.2

65.8

65.5

20.0

17.9

15.9

13.8

11.7

51.7

50.3

48.6

45.9

103.4

100.3

97.2

91.7

_F Psig

-50 to 100

200

300

400

500

230

200

190

185

170

600

530

495

480

475

1200

1055

990

955

950

290

260

230

200

170

750

730

705

665

1,500

1,455

1,410

1,330

1. M35‐1 and CW2M valve material are not included in ASME B16.34 pressure/temperature ratings. The designations 150 and 300 for this valve material are used only to indicate relative pres

sure/retaining capabilities and are not ASME pressure/temperature rated classes.

2. CL600 is only available in the NPS 2.

Table 4. Construction Material Temperature Limits(1)

COMPONENTS AND MATERIALS OF CONSTRUCTION TEMPERATURE LIMITS

_C_F

Valve Body Material / Disc / Shaft Material

Carbon Steel / CF8M / S17400

Carbon Steel / CF8M / S20910

CF8M / CF8M / S17400

CF8M / CF8M / S20910

CG8M / CG8M / S20910

-29 to 427

-73 to 427

-198 to 538

-20 to 800

-100 to 800

-325 to 1000

Bearing Material

PEEK / PTFE lined

Metal (NOVEX or Phoenix III only)

-73 to 260

-198 to 538

-100 to 500

-325 to 1000

Packing Material

PTFE V‐Rings

Graphite rings (NOVEX or Phoenix III only)

-46 to 232

-198 to 538

-50 to 450

-325 to 1000

Seal Ring

PTFE (Standard) Soft Seal Ring -46 to 232 -50 to 450

Reinforced PTFE Soft Seal Ring -46 to 232 -50 to 450

UHMWPE Soft Seal Ring -18 to 93 0 to 200

NOVEX Metal Seal Ring -46 to 538 -50 to 1000

Phoenix III Metal Seal Ring

Fluorocarbon backup ring -40 to 232 -40 to 450

Phoenix III Fire‐Tested(2) Metal Seal Ring

Fluorocarbon backup ring

(Specify metal bearings and graphite packing) -40 to 232(2) -40 to 450(2)

1. Refer to Ordering Matrix for 8560 Valves. For selection temperatures not shown above, contact your Emerson sales office or Local Business Partner.

2. For component selection and applicable fire‐tested standards and codes, consult your Emerson sales office or Local Business Partner.

1. Install a three‐valve bypass around the control valve assembly if continuous operation is necessary during

inspection and maintenance of the valve.

2. Inspect the valve to be certain that it is free of foreign material.

CAUTION

Be certain that adjacent pipelines are free of any foreign material, such as pipe scale or welding slag, that could damage the

valve sealing surfaces.

Instruction Manual

D102013X012

8560 Valve

June 2017

Figure 2. Maximum Pressure/Temperature Ratings

NOTE:

TEMPERATURE LIMITATIONS DO NOT ACCOUNT FOR THE ADDITIONAL LIMITATIONS IMPOSED BY THE BACKUP RING USED WITH THIS SEAL. TO DETERMINE THE EFFECTIVE

TEMPERATURE LIMITATION OF THE APPROPRIATE SEAL/BACKUP RING COMBINATION, REFER TO TABLE 4.

A6306-2

Valve Orientation

When installing the valve, it is recommended that the valve drive shaft be horizontal as shown in figure 1.

Note

Due to its weight, the 1052 size 70 actuator must be externally supported when mounted in a horizontal position.

Valve Direction

The high performance butterfly valve is designed to allow flow in either direction when in the open position. When in

the closed position, high pressure should be applied to a specific side of the disc to provide best performance and

optimal valve life (see list of seal types below). See figure 3.

Applications with bi‐directional seals, such as soft or Phoenix III, under normal operating conditions can (at different

times) experience pressure in both directions; the highest of the two pressures should be exerted on the preferred side

of the disc. If the two pressures are equal, then the one lasting the longest period of time should be applied to the

preferred side.

1. For PTFE, Reinforced PTFE, and UHMWPE seal rings: This seal is bidirectional. For optimal performance, high

pressure should be applied to the front (retaining ring side) of the disc.

2. For metal seal rings:

a. NOVEX seal: The NOVEX seal is uni‐directional. High pressure at the closed position MUST be at the back

(waterway side) of the disc.

b. Phoenix III Seal: This seal is bidirectional. For best performance, high pressure at the closed position should be

applied to the back (waterway side) of the disc.

c. NPS 2 Seal: The preferred direction of installation is with high pressure at the front (retaining ring side) of the

disc. Reverse shutoff is permissible at lower pressure (see the specifications table).

Instruction Manual

D102013X012

8560 Valve

June 2017

Figure 3. Flow Direction

RETAINER RING SIDE

MFG LABEL

FLOW ARROW

RETAINER RING SIDE

MFG LABEL

FLOW ARROW

ARROW SHOWS PREFERRED FLOW DIRECTION FOR SOFT SEALS

FORWARD FLOW REVERSE FLOW

ARROW SHOWS FLOW DIRECTION FOR NOVEX METAL SEAL,

AND PREFERRED FLOW DIRECTION FOR PHOENIX METAL SEAL

75B1181-A

A6882

RETAINER RING

FORWARD

FLOW

REVERSE

FLOW

NOTES:

1. BY Emerson Automation Solutions DEFINITION:

SFORWARD FLOW IS INTO THE FACE SIDE OF THE DISC.

SREVERSE FLOW IS INTO THE HUB SIDE OF THE DISC.

FACE SIDE OF DISC

Table 5. Special Spiral Wound Gasket Dimensions, Inches

Valve Size, NPS Class Gasket Internal Diameter Gasket Outside Diameter Centering Outside

Diameter(1)

3 150 4.25 5.00 5.375

3 300 4.25 5.00 5.875

4 150 5.25 6.125 6.875

4 300 5.25 6.125 7.125

1. Dimension per API 601 and ASME 16.5 Flanges.

Instruction Manual

D102013X012

8560 Valve

June 2017

Table 6. Stud Bolt and Hex Head Cap Screw Data(1)

VALVE

SIZE,

NPS

WAFER STYLE SINGLE FLANGE STYLE

CL150 CL300 CL150 CL300

No. of

Stud

Bolts

Size Dia

Inch &

Thread

Dimen‐

sion,

Inch

No. of

Stud

Bolts

Size Dia

Inch &

Thread

Dimen‐

sion,

Inch

No. of

Cap

Screws

Size Dia

Inch &

Thread

Dimen‐

sion,

Inch

No. of

Cap

Screws

Size Dia

Inch &

Thread

Dimen‐

sion,

Inch

2(2) 4 5/8‐11 5 8 5/8‐11 5.25 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐

3 4 5/8‐11 5.75 8 3/4‐10 6.5 8 5/8‐11 1.875 16 3/4‐10 2

4 8 5/8‐11 6 8 3/4‐10 7 16 5/8‐11 2 16 3/4‐10 2.25

6 8 3/4‐10 6.5 12 3/4‐10 7.5 16 3/4‐10 2 24 3/4‐10 2.5

8 8 3/4‐10 7 12 7/8‐9 9 16 3/4‐10 2.25 24 7/8‐9 3

10 12 7/8‐9 8 16 1‐8 10 24 7/8‐9 2.5 32 1‐8 3.5

12 12 7/8‐9 8.5 16 1‐1/8‐8 11 24 7/8‐9 2.75 32 1‐1/8‐8 3.75

1. Thread engagement in accordance with ASME B31.3.

2. The NPS 2 valve is only available in wafer style and is multirated to CL150, 300 and 600. The CL600 stud bolts require 8 bolts, have a dia. of 5/8‐11, and are 6 inches long.

Figure 4. Stud Bolts and Cap Screws for Installation (also see table 6)

A3887

A3886

STUD BOLT CAP SCREW

Installing the Valve in the Pipeline

WARNING

The edges of a rotating disc have a shearing effect that may result in personal injury. To help prevent such injury, stay clear

of the disc edges when rotating the disc (key 3, figure 14).

CAUTION

Damage to the disc will occur if any pipe flanges or piping connected to the valve interfere with the disc rotation path. If the

piping flange has a smaller inner diameter than what is specified for schedule 80 piping, measure carefully to be certain the

disc rotates without interference before putting the valve into operation.

CAUTION

Damage to the disc (key 3) sealing surfaces may occur if the disc is not closed when the valve is being removed from the

pipeline. If necessary, use a temporary pressure source on the actuator to retain the disc in the closed position while

removing the valve from the pipeline.

Instruction Manual

D102013X012

8560 Valve

June 2017

1. For Fail‐Open Actuators: It will be necessary to provide a temporary loading pressure to the actuator diaphragm to

move the valve disc to the closed position. Observe the above Warning when closing the valve. If a loading pressure

is required, use caution when working with the valve. If the loading pressure is disconnected, the disc will open

rapidly.

2. With the disc in the closed position, install line flange gaskets, and install the valve between the pipeline flanges.

WARNING

If spiral wound gaskets are to be used with an NPS 3 or 4 CL150 or 300 single flange valve, special spiral wound gaskets

conforming to the dimensions listed in the table 5 MUST be used. Improperly sized gaskets may increase the likelihood of 1)

excessive seat leakage, 2) damage due to contact with valve internals, and 3) external leakage; which may result in personal

injury and/or property damage due to a sudden increase or decrease of pressure within ‐ or release of pressure from ‐ the

pipeline. The special dimension spiral wound gaskets can be obtained from your local spiral wound gasket vendor.

Note

The remaining single flange valve sizes (NPS 6 through 12) and all wafer style valves (NPS 2 through 12) use the standard size spiral

wound gaskets. Only the single flange valves in the sizes and pressures listed in table 5 require special spiral wound gaskets.

Select the appropriate gaskets for the application. Flat sheet, spiral wound (NPS 6 through 12), or other gasket types

made to ASME 16.5 group or a user's standards can be used for 8560 valves depending on the service conditions and

applications.

3. Install the flange studs:

Note

Lubricate line flange studs or bolts before inserting them into flanges. If necessary, provide additional support for the control valve

assembly because of its combined weight.

D Flange studs: Install two or more line flange studs into the line flanges to help hold the valve in position while

centering the valve. Carefully center the valve on the flanges to ensure disc clearance.

Figure 5. Optional Shaft‐to‐Valve Body Bonding Strap Assembly

B2434

END PLATE OF ACTUATOR

MOUNTING YOKE CAP SCREW

(KEY 22)

AVALVE

VIEW A‐A

Instruction Manual

D102013X012

8560 Valve

June 2017

D Select and install two pipe line gaskets.

D Flange Cap Screws: If line flange cap screws are used, be certain the cap screw threads engage the tapped holes to a

depth equal to the flange cap screw diameter.

4. Install the remaining line flange bolting to secure the valve in the pipeline. Tighten the nuts to the line flange studs,

or cap screws, in a crisscross pattern to ensure proper alignment of valve, gaskets, and flanges.

Packing Adjustment and Shaft Bonding

WARNING

Personal injury could result from packing leakage. Valve packing was tightened before shipment; however the packing

might require some readjustment to meet specific service conditions. Check with your process or safety engineer for any

additional measures that must be taken to protect against process media.

CAUTION

Use caution when tightening packing follower nuts because over‐tightening the nuts will accelerate wear and could

produce higher rotating friction loads on the valve stem.

1. For PTFE or graphite packing: tighten standard packing follower nuts only enough to prevent shaft leakage.

Excessive tightening of packing will accelerate wear and could produce higher rotating friction loads on the valve

stem. If necessary, refer to the Packing Maintenance section.

2. ENVIRO‐SEAL Packing System will not require this initial re‐adjustment. Refer to the separate ENVIRO‐SEAL Packing

System for Rotary Valves instruction manual (D101643X012) for repair and replacement procedures.

3. For hazardous atmosphere or oxygen service valves, read the following Warning, and provide the bonding strap

assembly mentioned below if the valve is used in an explosive atmosphere.

WARNING

The valve drive shaft is not necessarily grounded to the pipeline when installed. Personal injury or property damage could

result from an explosion caused by a discharge of static electricity from the valve components if the process fluid or the

atmosphere around the valve is flammable. To avoid personal injury or property damage, make sure the valve is grounded

to the pipeline before placing the valve assembly into service.

Standard PTFE packing is composed of a partially conductive carbon‐filled PTFE female adaptor with PTFE V‐ring packing.

Standard graphite packing is composed of all conductive graphite ribbon packing rings. Alternate shaft‐to‐valve body

bonding is available for hazardous service areas where the standard packing is not sufficient to bond the shaft to the valve

(see the following step).

For oxygen service applications it is necessary to provide alternate shaft‐to‐valve body bonding according to the following

step.

4. Attach the bonding strap assembly (key 131, figure 5) to the shaft with the clamp (key 130, figure 5), and connect

the other end of the bonding strap assembly to the valve with the cap screw (key 22, figure 5).

5. For more information, refer to the Packing Maintenance subsection below.

Maintenance

Valve parts are subject to normal wear and must be inspected and replaced as necessary. The frequency of inspection

and replacement depends upon the severity of service conditions. Instructions are given in this section for replacing

Instruction Manual

D102013X012

8560 Valve

June 2017

packing, seal ring, disc, shaft, bearings, and other valve parts. Also, instructions are provided for changing valve action,

mounting, and adjusting the actuator. Refer to the actuator instruction manual for additional information for

mounting and adjusting the actuator.

CAUTION

It is possible to damage the valve if the actuator travel stops are not properly adjusted before stroking the valve.

WARNING

Avoid personal injury or property damage from sudden release of process pressure or bursting of parts. Before performing

any maintenance operations:

D Do not remove the actuator from the valve while the valve is still pressurized.

D Always wear protective gloves, clothing, and eyewear when performing any maintenance operations to avoid personal

injury.

D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the

actuator cannot suddenly open or close the valve.

D Use bypass valves or completely shut off the process to isolate the valve from process pressure. Relieve process pressure

from both sides of the valve. Drain the process media from both sides of the valve.

D Vent the pneumatic actuator loading pressure and relieve any actuator spring precompression.

D Use lock‐out procedures to be sure that the above measures stay in effect while you work on the equipment.

D The valve packing box may contain process fluids that are pressurized, even when the valve has been removed from the

pipeline. Process fluids may spray out under pressure when removing the packing hardware or packing rings, or when

loosening the packing box pipe plug.

D The edges of a rotating disc have a shearing effect that may result in personal injury. To help prevent such injury, stay

clear of the disc edges when rotating the disc (key 3).

D Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

CAUTION

During any of the following steps, do not rotate the disc past 90 degrees in the open direction. Rotating the disc past 90

degrees can damage the seal ring.

Stopping Leakage

For PTFE‐filled or graphite standard packing arrangements covered in this manual, often leakage from the packing can

be stopped by tightening the packing flange nuts just enough to stop the leak.

CAUTION

Use caution when tightening the nuts because over‐tightening the nuts can damage packing box parts.

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