DeZurik KSV CL150 Bedienungsanleitung

DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 | www.dezurik.com | i[email protected]

DeZURIK

KSV CL150 & CL300

BONNETLESS KNIFE GATE

VALVES

Instruction D11021

June 2023

DeZURIK

Instructions

These instructions are for use by personnel who are responsible for the installation, operation and

maintenance of DeZURIK valves, actuators or accessories.

Safety Messages

All safety messages in the instructions are identified by a general warning sign and the signal word CAUTION,

WARNING or DANGER. These messages indicate procedures to avoid injury or death.

Safety label(s) on the product indicate hazards that can cause injury or death. If a safety label becomes difficult

to see or read, or if a label has been removed, please contact DeZURIK for replacement label(s).

Personnel involved in the installation or maintenance of valves should be constantly alert to potential

emission of pipeline material and take appropriate safety precautions. Always wear suitable protection

when dealing with hazardous pipeline materials. Handle valves which have been removed from service

with suitable protection for any potential pipeline material in the valve.

Inspection

Your DeZURIK product has been packaged to provide protection during shipment; however, items can be

damaged in transport. Carefully inspect the unit for damage upon arrival and file a claim with the carrier if

damage is apparent.

Parts

Replaceable wear parts are listed on the assembly drawing. These parts can be stocked to minimize

downtime. Order parts from your local DeZURIK sales representative or directly from DeZURIK. When ordering

parts please provide the following information:

If the valve has a data plate: please include the 7-digit part number with either 4-digit revision number

(example: 9999999R000) or 8-digit serial number (example: S1900001) whichever is applicable. The

data plate will be attached to the valve assembly. Also, include the part name, the assembly drawing

number, the balloon number and the quantity stated on the assembly drawing.

If there isn't any data plate visible on the valve: please include valve model number, part name, and

item number from the assembly drawing. You may contact your local DeZURIK Representative to help

you identify your valve.

DeZURIK Service

DeZURIK service personnel are available to maintain and repair all DeZURIK products. DeZURIK also offers

customized training programs and consultation services. For more information, contact your local DeZURIK

sales representative or visit our website at DeZURIK.com.

DeZURIK

KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES

January 2021 Page 3 D11021

Table of Contents

Safety Messages...............................................................................................................................................2

Parts..................................................................................................................................................................2

DeZURIK Service..............................................................................................................................................2

Lubrication.........................................................................................................................................................6

Purging..............................................................................................................................................................6

Packing .............................................................................................................................................................6

Adjustment ........................................................................................................................................................6

Figure 1—Component Identification ...........................................................................................................7

Replacing the Scraper Ring in the Body.....................................................................................................8

Troubleshooting...............................................................................................................................................13

DeZURIK

KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES

January 2021 Page 4 D11021

Description

The DeZURIK KSV bonnetless knife gate valves are constructed with a one-piece cast body,

gate, packing chamber, replaceable seat rings and either an all-metal or metal/resilient seat.

A choice of several actuators and accessories are available.

Installation

CAUTION!

When installed with rubber lined pipe/flange faces, additional flange seals would

be required. Factory consultation is advised.

CAUTION!

Additional valve support may be required for non-vertical installations or where

the valve may be exposed to external or vibrational forces. Factory consultation

is advised.

Install the valve between appropriate ASME Class pipeline flanges. Flange gaskets are

required. Before installation, remove foreign material such as weld spatter, oil, grease, and

dirt from the valve and pipeline.

Metal Seat

Install the valve so that the side marked "SEAT" is on the lower pressure side of the valve

when the valve is closed; the pipeline pressure will then help seal the valve in the closed

position.

Resilient Seat

Resilient seat valves are bi-directional and can be installed with the “SEAT” side on the

high- or low-pressure side of the pipeline. It is preferred that the “SEAT” side be on the low-

pressure side.

General Installation Guidelines

Observe the following points to prevent distortion of the valve body and gate when the flange

bolts are tightened:

•

Align the mating pipeline flanges.

•

Select the length of the flange bolts so that the bolts used in the chest blindholes

do not bottom out when tightened. We recommend studs and nuts.

•

Tighten the flange bolts evenly, in a crisscross pattern. Refer to Table A for

recommended flange bolt/stud torques.

Note: Torque ranges are based on ASME Pressure Vessel Code Calculations and lab test

data. These torques are only spiral wound type gaskets. For other gasket types listed in

ASME, consult DeZURIK.

DeZURIK

KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES

January 2021 Page 5 D11021

Table A: Bolt Torques

Valve Size

CL150

Lubricated

Min.

Torque

CL150

Lubricated

Max.

Torque

CL150 Non

-lubricated

Min.

Torque

CL150 Non

-lubricated

Max.

Torque

CL300

Lubricated

Min.

Torque

CL300

Lubricated

Max.

Torque

CL300 Non

-lubricated

Min.

Torque

CL300 Non

-lubricated

Max.

Torque

in.

ft.lbs.

mm.

75mm

110

100mm

107

117

150mm

145

159

115

144

158

112

149

200mm

107

118

195

214

110

152

202

10"

136

149

106

131

197

250mm

100

111

184

202

144

178

267

12"

104

172

190

144

166

267

300mm

127

141

233

258

122

195

225

362

14"

117

129

214

236

133

145

246

350mm

159

175

290

320

106

180

197

334

16"

109

120

200

220

107

188

199

351

400mm

148

163

271

298

145

255

270

476

18"

156

171

288

317

114

203

213

377

450mm

212

232

390

430

155

275

289

511

20"

137

151

253

279

126

238

234

444

500mm

186

205

343

378

171

323

317

602

24"

188

207

350

385

185

387

350

729

600mm

255

281

475

522

251

525

475

988

26"

121

133

225

248

132

365

251

674

650mm

164

180

305

336

179

495

340

914

28"

111

122

207

228

142

405

269

766

700mm

150

165

281

309

193

549

365

1039

30"

119

138

221

257

163

490

309

931

750mm

161

187

300

348

221

664

419

1262

32"

158

185

297

349

194

594

371

1132

800mm

214

251

403

473

263

805

503

1535

36"

169

204

319

385

222

696

424

1332

900mm

229

277

433

522

301

944

575

1806

42"

181

241

341

454

220

759

416

1437

1050mm

245

327

462

616

298

1029

564

1948

48"

175

253

330

476

297

1113

566

2123

1200mm

237

343

447

645

403

1509

767

2878

54"

Contact DeZURIK

1400mm

60"

1500mm

DeZURIK

KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES

January 2021 Page 6 D11021

Operation

The gate in the valve is positioned by the valve actuator. The actuator moves the gate over the valve port in

the closed position, and withdraws the gate from the port in the throttling and open positions. Refer to the

Actuator Instructions for adjustment and maintenance requirements for the actuator.

Lubrication

The valve does not require lubrication. If applicable, ensure that valve threaded stems are maintained

with proper lubrication. Refer to the Actuator Instructions for lubrication requirements for the actuator.

Purging

Purge connections allow for optional pressurized purging fluid to be circulated through the valve to clear out

sedimentation or other material buildup. Purge lines should be the same size as the purge ports. The

recommended maximum purge pressure is 25-50 psi (170-345 kPa) above the pipeline pressure.

Packing

The gate packing is contained and compressed by the packing gland (A13). See Figure 1 and Figure 2 for

component identification.

Note: The packing gland (A13) is slightly loosened prior to shipping. This is done to increase the life of the

packing during extended storage. It must be tightened just enough to stop a packing leak prior to energizing

the pipeline.

Adjustment

If packing leaks, tighten the adjustment nuts (A15) on top of the packing gland (A13). Tighten all the

nuts equally and gently just enough to stop the leak. Over tightening will cause excessive operating

forces, and will decrease the life of the packing.

DeZURIK

KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES

January 2021 Page 7 D11021

Drawings

STUD (A14)

NUT (A15)

WASHER (A16)

GLAND (A13)

PACKING

CHAMBER (A8)

SCREW (A5)

LOCKWASHER (A6)

NUT (A7)

PIPE PLUG (A17)

SCRAPER RING (A11)

PACKING (A10)

O- RING (A12)

PACKING (A10)

SCRAPER RING (A11)

O- RING (A9)

BODY (A1)

RETAINING RING (A19)

KEYSTONE (A20) SEAT RING (A2)

GATE (A4)

O-RING (A3)

SEAT SIDE

O-RING (A3)

RESILIENT SEAT (A18)

SEAT SIDE

Figure 1—Component Identification

DeZURIK

KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES

January 2021 Page 8 D11021

Packing Replacement Only

Removing the Old Packing

1. Relieve the pressure in the pipeline and close the valve.

2. If the actuator is powered, disconnect and lock out power to prevent accidental operation of the actuator.

3. Remove the two screws and nuts near the top of the gate and disengage the clip from the gate by

stroking the actuator (not the valve) to the open position. Remove closed position lockout bars if so

equipped.

4. Remove the gland nuts (A15), washers (A16) and the packing gland (A13).

5. Remove the used top scraper ring (A11), packing (A10) and O-ring (A12) from the packing

chamber (A8).

Replacing the Scraper Ring in the Body

If the bottom scraper ring (A11) in the body (A1) needs to be replaced, use the following steps:

1. Remove the screws (A5), nuts (A7) and lockwashers (A6) and remove the packing chamber (A8)

from the body.

2. Remove the used O-ring (A9) from the packing chamber (A8) and remove the used scraper

ring (A11) from the body (A1).

WARNING!

Pipeline pressure can cause personal injury or equipment damage. Relieve

pipeline pressure before removing gate stem and packing gland nuts.

WARNING!

Accidental operation of power actuator can cause personal injury or equipment

damage. Disconnect and lock out power to actuator before servicing.

DeZURIK

KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES

January 2021 Page 9 D11021

Packing Replacement Only continued

Installing the New Packing

DeZURIK recommends using a square-ended wood or plastic tool, driven by a hammer or mallet for

packing rings. Table B: Packing Ring Lengths

Note: DO NOT USE ANY SHARP OR

HARD METAL TOOLS TO PACK THE

RINGS.

If the bottom scraper ring (A11) in the

body (A1) is being replaced, use steps 1

and 2. If not, go to step 3.

1. With the gate (A4) closed, center the

gate in the body (A1) and place the

scraper ring (A11) into the top of the

body (A1).

2. Place the O-ring (A9) into the

groove in the bottom of the packing

chamber (A8).

3. With the gate closed, center the gate

(A4) in the body (A1) and attach the

packing chamber (A8) to the body

(A1) using the screws (A5), nuts (A7)

and lockwashers (A6). Leave snug,

but not tight.

4. Cut new packing rings (A10) to the

length and quantity shown in Table

5. Install and pack the scraper ring

(A11), packing rings (A10) and O-

ring (A12) one at a time in the

sequence shown in Figure 2.

6. Install packing gland (A13) and snug

all nuts (A15) equally just enough to

stop a packing leak.

7. Tighten nuts (A7) on packing

chamber (A8)

Note: Install the packing with the ends

together, but not overlapped. Stagger the

packing joints on the long sides of the

packing chamber. Make sure the inside and

outside edges of each ring are tightly

packed against the gate and packing

chamber, especially in the corner areas.

Pack each ring until it is flat and even.

Valve

Size

square

CL 150

Length

CL 300

Length

Number

O-rings

Number

Scraper

Rings

Number

Packing

Rings

in.

11.25

75mm

286

14.00

100mm

356

18.25

17.50

150mm

0.375

464

445

9.5

22.50

23.25

200mm

572

591

10"

28.00

27.50

250mm

712

699

12"

32.00

32.75

300mm

813

832

14"

0.500

35.50

350mm

12.7

902

16"

39.25

39.75

400mm

997

1010

18"

43.75

44.25

450mm

0.625

1112

1124

20"

15.9

47.25

48.25

500mm

1201

1226

24"

56.50

57.25

600mm

1436

1455

26"

60.75

61.75

650mm

1544

1569

28"

65.00

65.75

700mm

1651

1671

30"

68.50

70.75

750mm

0.750

1740

1798

32"

19.1

73.50

O/A

800mm

1867

36"

81.50

O/A

900mm

2071

42"

94.00

O/A

1050mm

2388

48"

107.00

O/A

1200mm

2718

54"

Contact DeZURIK

1400mm

60"

1500mm

DeZURIK

KSV CL150 & CL300 BONNETLESS KNIFE GATE VALVES

January 2021 Page 10 D11021

Installing the New Packing continued

Reassembling the Valve

1. Reconnect the clip to the gate (A4) with the screws and nuts.

2. Reinstall the lockouts in their original locations if they were removed.

3. If the actuator is a powered actuator, reconnect power to the actuator.

4. Pressurize the pipeline and inspect packing for leakage.

5. If packing leaks, tighten the adjustment nuts (A15) on top of the packing gland. Tighten

the nuts evenly and slowly, just enough to stop the leak. Over tightening will cause

excessive operating forces, and will decrease the life of the packing.

SCRAPER RING (A11)

PACKING (A10)

O- RING (A12)

PACKING (A10)

SCRAPER RING (A11)

Figure 2—Packing Ring Sequence

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