Fisher CV500 Manual de usuario

www.Fisher.com

Fisher™CV500 Rotary Globe Control Valve

Contents

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

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

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

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

Educational Services 2.........................

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

Maintenance 8.................................

Packing Maintenance 8.........................

Stopping Leakage 9........................

Replacing Packing 9........................

Replacing Retainer, Seat Ring,

and Face Seals 10...........................

Disassembly 10............................

Assembly 13..............................

Replacing Ball, Shaft, and Bearings 15.............

Disassembly 15............................

Assembly 18..............................

Adjusting Actuator Travel 21....................

Changing Valve Flow Direction 22................

Changing Actuator Mounting Style 23............

Parts Ordering 23...............................

Parts Kits 23...................................

Parts List 28...................................

Figure 1. Fisher CV500 Valve

X0189

Fisher CV500 VALVE WITH 2052 ACTUATOR AND

FIELDVUE™DVC6200 DIGITAL VALVE CONTROLLER

Introduction

Scope of Manual

This instruction manual provides installation, operation, maintenance, and parts ordering information for NPS 3

through 12 Fisher CV500 Cam Vee‐Ball™rotary control valves. Refer to separate manuals for information concerning

the actuator and accessories.

Description

The CV500 Cam‐Vee‐Ball rotary control valve, has a Vee‐Ball style segmented ball in a valve body similar to the V500

valve. The CV500 is a flanged valve (figure 1) with a self‐centering seat, eccentrically rotating V‐notch ball, and splined

valve shaft. Suitable for forward or reverse flow use, this valve mates with a variety of actuators to provide throttling or

on‐off service. The flanged valve mates with ASME flanges or EN flanges.

Do not install, operate, or maintain a CV500 valve 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.

Instruction Manual

D101640X012

CV500 Valve

June 2017

Instruction Manual

D101640X012

CV500 Valve

June 2017

Table 1. Specifications

Valve Sizes

JNPS 3, J4, J6, J8, J10, and J12

End Connection Style

JRaised‐face flanges or Jring‐type joint flanges

(ASME B16.5). Valve bodies with EN flanges also

available. Consult your Emerson sales office or Local

Business Partner.

Maximum Inlet Pressure(1)

Consistent with applicable ASME B16.34 or

EN 12516-1 ratings

Maximum Pressure Drops(1)

See tables 2 and 3

Shutoff Classification

Class IV per ANSI/FCI 70‐2 and IEC 60534‐4, (0.01% of

valve capacity at full travel), for either flow direction

Flow Characteristic

Approximately equal percentage

Flow Direction

JForward (normal) flow is into the convex side of

the V‐notch ball

JBidirectional flow is into either side of the V‐notch

ball

Actuator Mounting

JRight‐hand or Jleft‐hand as viewed from the

upstream side of the valve

Mounting position depends on the desired open valve

position and flow direction required by operating

conditions

Valve Ball Rotation

Counterclockwise to close (when viewed from

actuator side of valve body) through 90 degrees of

ball rotation

Valve Body/Actuator Action

With diaphragm or piston rotary actuator,

field‐reversible between Jpush‐down‐to‐close

(extending actuator rod closes valve body) and

Jpush‐down‐to‐open (extending actuator rod

opens valve body)

Shaft Diameters(2) and Approximate Weights

See table 3

1. The pressure/temperature limits in this manual and any applicable standard limitations should not be exceeded.

2. Shaft diameter and spline end must match available shaft diameter of actuator.

Specifications

Specifications for the CV500 rotary control valve are listed in table 1.

Educational Services

For information on available courses for Fisher CV500 valves, as well as a variety of other products, contact:

Emerson Automation Solutions

Educational Services - Registration

Phone: 1-641-754-3771 or 1-800-338-8158

E-mail: [email protected]

emerson.com/fishervalvetraining

Instruction Manual

D101640X012

CV500 Valve

June 2017

Table 2. Maximum Allowable Shutoff Pressure Drops(3)

VALVE BODY MATERIAL BEARING MATERIAL TEMPERATURE VALVE SIZE, NPS

3 4 6 8 10 12

_C Bar

WCC steel S44004

(440C SST)

-29 to 149 41.4 41.4 41.4 24.1 24.1 27.6

149 to 204 41.4 41.4 41.4 23.8 24.1 27.6

204 to 316 41.4 41.4 41.4 23.1 24.1 27.6

WCC steel, EN 1.0619

steel, CF8M (316 SST),

EN 1.4581 SST, or

CF3M(4) (316L SST)

R30006

(Alloy 6)

-46(1) to 204 41.4 41.4 20.7 15.1 24.1 27.6

204 to 260 41.4 41.4 20.7 15.1 24.1 27.6

260 to 316 41.4 41.4 20.7 15.1 24.1 27.6

PTFE/composition‐

lined S31603(2)(4)

(316L SST)

-46(1) to 93 41.4 41.4 41.4 24.1 31 34.5

93 to 149 41.4 41.4 41.4 24.1(5)

31 34.5

23.1(6)

149 to 204 41.4 41.4 41.4 23.8(5)

31 34.5

22.1(6)

204 to 260(2) 41.4 41.4 41.4 23.4(5)

31 34.5

21.7(6)

_F Psi

WCC steel S44004

(440C SST)

-20 to 300 600 600 600 350 350 400

300 to 400 600 600 600 345 350 400

400 to 600 600 600 600 335 350 400

WCC steel, EN 1.0619

steel, CF8M (316 SST),

EN 1.4581 SST, or

CF3M(4) (316L SST)

R30006

(Alloy 6)

-50(1) to 400 600 600 300 220 350 400

400 to 500 600 600 300 220 350 400

500 to 600 600 600 300 220 350 400

PTFE/composition‐

lined S31603(2)(4)

(316L SST)

-50(1) to 200 600 600 600 350 450 500

200 to 300 600 600 600 350(5)

450 500

335(6)

300 to 400 600 600 600 345(5)

450 500

320(6)

400 to 500(2) 600 600 600 340(5)

450 500

315(6)

1. -29_C (-20_F) for WCC steel valve body material.

2. For hot water or steam service, limit maximum temperature to 260_C (500_F).

3. The pressure or temperature limits in this table or in any applicable code limitation, should not be exceeded.

4. Standard Fisher material offerings in Europe only.

5. S17400 (17‐4PH SST) shaft only.

6. S20910 stainless steel shaft only. Pressure drops appropriate for both shaft materials.

Installation

WARNING

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

injury.

Personal injury or equipment damage caused by sudden release of pressure can result if the valve assembly is installed

where service conditions could exceed the pressure drop limits given in table 2 or the valve rating. To avoid such injury or

property damage, provide a relief valve for overpressure protection 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.

Instruction Manual

D101640X012

CV500 Valve

June 2017

CAUTION

When ordered, the valve configuration and construction materials were selected to meet particular pressure, pressure

drop, temperature, 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.

Table 3. Shaft Diameters and Approximate Weights

VALVE SIZE, NPS

SHAFT DIAMETERS APPROXIMATE WEIGHTS

Flanged

Through Valve Body At Spline End(1) CL150 CL300 CL600

mm kg

325.4 25.4 19 24 26

25.4 19.1

4 31.8 31.8 36 42 50

638.1 38.1 54 69 93

38.1 31.8

8 38.1 38.1 79 98 135

10 44.5 44.5 --- 208 ---

12 53.8 53.8 --- 253 ---

53.8 50.8

Inches Pounds

31 1 42 52 57

1 3/4

4 1‐1/4 1‐1/4 79 93 111

61‐1/2 1‐1/2 120 152 204

1‐1/2 1‐1/4

8 1‐1/2 1‐1/2 75 217 298

10 1‐3/4 1‐3/4 --- 458 ---

12 2‐1/8 2‐1/8 --- 558 ---

2‐1/8 2

1. Spline diameter that connects to actuator versus shaft diameter.

Key numbers are shown in figure 9 for NPS 3 through 8 and in figure 10 for NPS 10 and 12.

1. If the valve body (key 1) is to be stored before installation, protect the flange mating surfaces and keep the valve

body cavity dry and clear of foreign material.

2. Install a three‐valve bypass around the control valve assembly if continuous operation will be necessary during

inspection and maintenance of the valve.

3. A CV500 valve is normally shipped as part of a control valve assembly, with a power or manual actuator mounted on

the valve. If the valve and actuator have been purchased separately or if the actuator has been removed from the

valve, mount the actuator according to the actuator instruction manual. Also, adjust the actuator travel using the

Adjusting Actuator Travel procedure in this manual before installing the valve; the required measurements cannot

be made with the valve installed.

4. Before starting the actual installation of the valve, determine the proper installation orientation of the V‐notch ball

(key 2) and actuator. Determine the flow direction of the process fluid through the valve. See figure 2.

Instruction Manual

D101640X012

CV500 Valve

June 2017

Figure 2. Index Marks for Actuator Lever Orientation

ACTUATOR POSITION

ACTUATOR

MOUNTING STYLE VALVE OPEN 1234

NOTES:

1. ARROW ON LEVER INDICATES DIRECTION OF ACTUATOR THRUST TO CLOSE VALVE.

2. PDTC=PUSH DOWN TO CLOSE; PDTO=PUSH DOWN TO OPEN.

3. F=FORWARD FLOW; R=REVERSE FLOW.

RIGHT‐

HAND

STYLE A

(PDTC)

STYLE B

(PDTO)

STYLE C

(PDTO)

STYLE D

(PDTC)

LEFT‐

HAND

C0741

Instruction Manual

D101640X012

CV500 Valve

June 2017

Line Studs (Key 36)

Valve

Size, NPS

M(1)

PN Qty Bolt Size Bolt Length,

PN 10‐40 6M16 x 2 260

PN63 6 M20 x 2.5 300

PN100 6 M24 x 3 325

PN10 and 16 6M16 x 2 285

PN25 and 40 6M20 x 2.5 300

PN63 6 M24 x 3 325

PN100 6 M27 x 3 355

6PN10 and 16 5M20 x 2.5 350

PN25 and 40 5M24 x 3 375

PN10 10 M20 x 2.5 350

PN16 10 M20 x 2.5 350

PN25 10 M24 x 3 375

PN40 10 M27 x 3 390

Valve

Size, NPS CL Qty Bolt Size Bolt Length,

Inch

150 4 5/8‐11 UNC 10.62

300 6 3/4‐10 UNC 11.12

600 6 3/4‐10 UNC 11.50

150 6 5/8‐11 UNC 11.44

300 6 3/4‐10 UNC 12.12

600 6 7/8‐9 UNC 13.62

6150 5 3/4‐10 UNC 13.62

300 9 3/4‐10 UNC 14.38

8150 8 3/4‐10 UNC 13.62

300 10 7/8‐9 UNC 15.38

1. These bolts may be installed from either end of the valve body.

Cap Screws (Key 37)

Valve

Size, NPS

N P

PN Qty Bolt Size Bolt Length,

Overall

Length, mm

PN 10‐40 4M16 x 2 50 60

PN63 4 M20 x 2.5 60 73

PN100 4 M24 x 3 70 85

PN10 and 16 4M16 x 2 50 60

PN25 and 40 4M20 x 2.5 60 73

PN63 4 M24 x 3 70 85

PN100 4 M27 x 3 80 97

Valve

Size, NPS CL Qty Bolt Size Bolt Length,

Inch

Overall

Length, Inch

150 --- --- --- ---

300 4 3/4‐10 UNC 2.38 2.88

600 4 3/4‐10 UNC 2.38 2.88

150 4 5/8‐11 UNC 2.00 2.44

300 4 3/4‐10 UNC 2.38 2.88

600 4 7/8‐9 UNC 2.75 3.38

Line Studs (Key 36)(1)

Valve

Size, NPS

PN Qty Bolt Size Bolt Length,

6PN10 and 16 6M20 x 2.5 110

PN25 and 40 6M24 x 3 125

PN10 4 M20 x 2.5 110

PN16 4 M20 x 2.5 110

PN25 4 M24 x 3 125

PN40 4 M27 x 3 135

Valve

Size, NPS CL Qty Bolt Size Bolt Length,

Inch

6150 6 3/4‐10 UNC 5.00

300 6 3/4‐10 UNC 5.00

8150 --- --- ---

300 4 7/8‐9 UNC 5.62

1. Use instead of cap screws.

Note

For control valves used in slurry service, mount the actuator and install the control valve so that the V‐notch ball rotates above the

valve drive shaft (refer to figure 2), if possible.

5. Before installing the valve, make sure the flow direction arrow (key 32) on the valve (key 1) matches the actual

process fluid flow direction through the valve for the application where the valve will be installed.

Note

For best shutoff performance, install the valve with the drive shaft horizontal and the Vee‐Ball closing in the downward direction

for standard right hand mounting.

Instruction Manual

D101640X012

CV500 Valve

June 2017

6. Install the flange gaskets and insert the valve between the mating pipeline flanges. Use flat sheet gaskets

compatible with the process media, or spiral wound gaskets with compression‐controlling center rings.

7. Install the line bolts and nuts; then, tighten them using accepted bolting procedures. These procedures include, but

are not limited to, lubricating the line bolts and hex nuts and tightening the nuts in a crisscross sequence to ensure

proper gasket load.

8. If a purge is desired for the purged bearing construction, remove the pipe plugs (keys 29 and 24) and install the

purge lines. Purge pressure should be greater than the pressure within the valve and the purge fluid should be as

clean as possible.

WARNING

A CV500 drive shaft is not necessarily grounded when installed in a pipeline unless the shaft is electrically bonded to the

valve.

To avoid personal injury or property damage resulting from the effects of a static electricity discharge from valve

components in a hazardous atmosphere or where the process fluid is combustible, electrically bond the drive shaft (key 3)

to the valve according to the following step.

Note

Standard CV500 packings (key 13) are composed either entirely of conductive packing rings (graphite ribbon packing) or partially

of conductive packing rings (a carbon‐filled PTFE female adaptor with PTFE V‐ring packing or a graphited‐composition packing ring

with PTFE/composition packing) in order to electrically bond the shaft to the valve body. 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).

9. For hazardous applications, attach the bonding strap assembly (key 131, figure 3) to the shaft with the clamp (key

130, figure 3) and connect the other end of bonding strap assembly to the valve body with the cap screw (key 25,

figure 3).

10. Connect pressure lines to the actuator as indicated in the actuator instruction manual. When a manual actuator

(handwheel) is used with a power actuator, install a bypass valve on the power actuator (if not already supplied) for

use during manual operation.

Figure 3. Optional Shaft‐to‐Body Bonding Strap Assembly

VALVE BODY ACTUATOR

VIEW A‐A

37A6528‐A

A3143‐2

Instruction Manual

D101640X012

CV500 Valve

June 2017

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.

If the valve has ENVIRO‐SEAL™live‐loaded packing installed, readjustment will probably not be required. See the

instruction manual titled Fisher ENVIRO‐SEAL Packing System for Rotary Valves (D101643X012) for packing

instructions. If you wish to convert your present packing arrangement to ENVIRO‐SEAL packing, refer to the retrofit

kits listed in the parts kit sub‐section near the end of this manual.

Maintenance

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 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

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

D Vent the power 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 Always wear protective gloves, clothing, and eyewear when performing any maintenance operations.

D The valve packing area 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.

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

media.

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.

Packing Maintenance

Key numbers refer to figure 9 for NPS 3 through 8 and to figure 10 for NPS 10 and 12 unless otherwise indicated.

Note

For the ENVIRO‐SEAL packing system, refer to the Parts List section for retrofit kits, parts kits, and individual parts (see figures 11

and 12). Refer to separate ENVIRO‐SEAL instruction manual (D101643X012) for maintenance instructions.

Standard ENVIRO‐SEAL packing systems can be used in vacuum service with packing rings in the standard orientation. It is not

necessary to reverse the ENVIRO‐SEAL PTFE packing rings.

Instruction Manual

D101640X012

CV500 Valve

June 2017

Stopping Leakage

All maintenance procedures in this section may be performed with the valve body (key 1) in the line.

For packings other than spring‐loaded packing, leakage around the packing follower (key 14) may be stopped by

tightening the packing flange nuts (key 16). If leakage cannot be stopped in this manner, replace the packing

according to the Replacing Packing procedure in this manual.

If the packing is relatively new and tight on the drive shaft (key 3), and if tightening the packing nuts does not stop

leakage, it is possible that the shaft is worn or nicked so that a seal cannot be made. If the leakage comes from the

outside diameter of the packing, it is possible that the leakage is caused by nicks or scratches on the packing box wall.

Inspect the shaft and packing box wall for nicks or scratches when performing the following procedures.

Replacing Packing

Note

If the valve has ENVIRO‐SEAL live‐loaded packing installed, see the manual entitled Fisher ENVIRO‐SEAL Packing System for Rotary

Valves (D101643X012).

This procedure may be performed without removing the actuator from the valve if adding PTFE/composition packing

rings as a temporary measure. However, the actuator must be removed if replacing any other kind of packing or if the

metal packing parts (keys 14, 17, and, if used, 18) need to be replaced.

WARNING

Refer to the WARNING at the beginning of the Maintenance section in this instruction manual.

1. Isolate the control valve from the line pressure, release pressure from both sides of the valve body, and drain the

process media from both sides of the valve. If using a power actuator, also shut‐off all pressure lines to the power

actuator, release all pressure from the actuator. Use lock‐out procedures to be sure that the above measures stay in

effect while you work on the equipment.

CAUTION

To avoid increased leakage, increased valve component wear or possible damage to the valve body, ball, shaft, and

bearings resulting from a sharp blow to the shaft, use a wheel puller to separate the actuator parts from the drive shaft.

Do not drive the actuator parts off the drive shaft since this could move the valve bearings, shaft, and ball away from

proper alignment, causing improper seating of the ball. Such misalignment may result in damage to valve components if

the valve is returned to service without disassembly and inspection of the valve ball alignment.

2. If necessary, remove the cap screws (key 25) and hex nuts (key 26). Then remove the actuator while referring to the

actuator instruction manual for assistance.

3. Remove the packing nuts (key 16). For NPS 3 through 8, remove the packing follower (key 14). For NPS 10 and 12,

remove the packing flange (key 45) and then remove the packing follower (key 14).

CAUTION

In the following step, take care not to scratch the valve shaft or packing box wall, as this may cause leakage.

Instruction Manual

D101640X012

CV500 Valve

June 2017

4. Remove the old packing rings (key 13), packing box ring (key 17), and, if used, the lantern ring (key 18). Do not

scratch the valve shaft or packing box wall; scratching these surfaces could cause leakage. Clean all accessible metal

parts and surfaces to remove particles that would prevent the packing from sealing.

5. Whenever you are installing new packing, be sure the ball (key 2) is closed while you install and tighten the new

packing. Install the new packing rings and packing box ring by stacking the parts as shown in figure 4. Make sure

split rings are arranged so that the splits do not line up to form a leak path. Then slide the stack into the packing box

as far as they will go while being careful to avoid trapping air among the rings.

6. Install the packing follower (key 14), and, for NPS 10 and 12, also install the packing flange (key 45). Install the nuts

(key 16), and tighten them far enough to stop leakage under normal conditions.

7. Mount the actuator while referring to the actuator mounting procedures in the actuator instruction manual.

Complete the Adjusting Actuator Travel procedure in this manual before installing the valve in the pipeline. This is

necessary due to the measurements that must be made during the actuator adjustment process.

8. When the control valve is being put back into operation, check the packing follower for leakage, and retighten the

packing nuts as necessary.

Replacing Retainer, Seat Ring, and Face Seals

This procedure is to be performed if the control valve is not shutting off properly, if installing a different seat ring, or if

seat ring inspection is necessary. The actuator and valve must be removed from the pipeline; however, the actuator

may remain mounted during this procedure. Key numbers refer to figure 9 for NPS 3 through 8 and to figure 10 for

NPS 10 and 12 unless otherwise indicated.

A retainer tool is required to remove the retainer (key 5). If specifically ordered, a tool is supplied with the valve; a tool

can also be ordered individually by referencing key 33 of the Parts List. If desired, a tool can be machined using the

dimensions shown in figure 5.

CAUTION

During assembly, handle the retainer, seat ring, and face seals carefully. Critical areas that must be protected are the

threads and inner surface of the retainer (key 5), the sealing surfaces of the face seals (key 8), the face seal grooves in the

seat ring (key 4), the shutoff surface of the seat ring, and the face seal surface in the valve body.

A new retainer gasket (key 11) is required whenever the retainer (key 5) is removed. Other parts that are in good

condition can be reused.

Disassembly

WARNING

Refer to the WARNING at the beginning of the Maintenance section in this instruction manual.

Table 4. Assembly Clearance

PROCESS

TEMPERATURE

SEAT RING AND RETAINER CLEARANCE

mm Inches

Minimum Maximum Minimum Maximum

To 260_C

(500_F)(1) 0.08 0.30 0.003 0.012

Over 260_C

(500_F)(2) 0.20 0.43 0.008 0.017

1. Standard Trim

2. Special High Temperature Trim

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