Performance characteristics – Warren Controls 3800 Series E-BALL ROTARY CONTROL VALVES User Manual

Page 6

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3800_IOM_RevB_0513

PERFORMANCE ChARACTERISTICS

Body Pressure —
Temperature Rating
conform to ANSI
based on body/
flange rating and
body material. As the
fluid temperature
increases, the
maximum allowable
internal pressure
decreases. Verify
maximum pressures
and temperatures
prior to selecting
body material and
body/flange rating.

3800 with Metal Seats in any flow direction or
TTZ Ceramic Seats Flow-To-Open
ANSI Class IV

3800 with TTZ Ceramic Seats Flow-To-Close
Class IV+
Class IV+ is a proprietary designation of Warren
Controls and is not an ANSI/FCI classification.

3800 with PEEK or TFE Soft Seats
ANSI Class VI

NOTE: Approaching limits for continuous

use will reduce trim life. For continuous

use, stay within half of rated maximum.

NOTE ON BEARINGS: PEEK

Bearings should not be used for

temperatures above 450ºF or flowing
differential pressure above 300 PSIG.

BODY PRESSURE-TEMPERATURE RATINgS:

Temp. (F)

150 FLG

WCB

300 FLG

WCB

150 FLG

CF8M

300 FLG

CF8M

+32° To 100°

285

740

275

720

150°

272

710

255

670

175°

266

695

245

645

200°

260

680

235

620

225°

252

673

230

605

250°

245

667

225

590

275°

237

661

220

575

300°

230

655

215

560

325°

222

650

210

548

350°

215

645

205

535

375°

207

640

200

526

BODY PRESSURE-TEMPERATURE RATINgS:

Temp. (F)

150 FLG

WCB

300 FLG

WCB

150 FLG

CF8M

300 FLG

CF8M

400°

200

635

195

515

450°

185

620

182

497

500°

170

605

170

480

550°

155

587

155

465

600°

140

570

140

450

650°

125

550

125

440

700°

110

530

110

435

750°

95

505

95

425

800°

80

410

80

420

Pressure ratings are PSIG
For applications below 32º consult factory.

ShUT-OFF (ALLOWABLE SEAT LEAkAgE) CLASSES

Leakage

Relative

Seat

Maximum

Seat Leakage

Test

Fluid

Test

Pressure

Relative

Seat

Tightness

Class II

0.5% of rated CV

Water 45 to 60 PSI

1

Class III

0.1% of rated CV

Water 45 to 60 PSI

5

Class IV

0.01% of rated CV

Water 45 to 60 PSI

50

Class IV+

0.0015 ml/min/inch
of trim size/∆P(PSI)

Water Max Operating ∆P

150,000

Class V

0.0005 ml/min/inch
of trim size/∆P(PSI)

Water Max Operating ∆P

300,000

Class VI

Class VI about 0.9 ml/min*

Air

50 PSI

600,000

*Leakage rate varies by nominal port diameter, refer to the Standard
ANSI/FCI 70.2.

Body Pressure-Temperature Ratings

Flowing Differential Pressure

Shut-off Classes

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