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Cast Steel Valves

Cast Steel Globe Valves

Cast Steel Globe Valves

Non-rotating stem with precision Acme threads and burnished finish. Valve suitable for horizontal installation.
Universal trim. 13Cr stem, 13Cr faced disc, and CoCr alloy faced seats API Trim 8 suitable for service up to 850°F (454°C)....

Features and benefits

● Non-rotating stem with precision Acme threads and burnished finish. Valve suitable for horizontal installation.
● Universal trim. 13Cr stem, 13Cr faced disc, and CoCr alloy faced seats API Trim 8 suitable for service up to 850°F (454°C).
● Seat face CoCr alloy hardfaced, ground, and lapped to a mirror finish. Conical seat machined to 8 RMS.
● Tapered disc.
Body guided disc accurately mates the hardfaced surface of the disc with the surface of the seat, hardfaced with 13Cr, CoCr alloy, SS 316, or Monel, ground and lapped with seat.
● Disc in SS 316 hardfaced with CoCr alloy also available. NPS 2–6 (DN 50–150) valves may have solid CA15 (13Cr) discs.
● Body and bonnet. Castings are precision machined. One-piece bonnet for better alignment, fewer parts.
● Stuffing box finish to 63 RMS or better.
● Body and bonnet joint accurately machined. Fully enclosed gasket.
● Gland has two-piece construction for easy alignment.
● Rotating stem nut. Austenitic ductile iron Gr. D-2C, renewable in-line.
● Torque arm reduces wear on packing rings and enables better sealing and reduces torque.
● Impactor handwheels.
Globe and stop check valves require higher closing torques than gate valves with the same seat diameter and pressure class. The most economical mechanism for tight shutoff is the impactor handwheel. Two lugs cast under the wheel strike simultaneous blows and give 3–10 times the closing force of standard handwheels. Impactor handwheels are supplied at manufacturer’s option unless specified by customer.
● Flanges:
ASME Classes 150–300: 1⁄16” raised face.
ASME Classes 600–1500: 1⁄4” raised face.
Finish 125–250 AARH for all valves


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CLASS 150~1500 CAST STEEL GLOBE VALVE

OS&Y, Rising stem, Plug Disc

Bolted Bonnet, Threaded or welded seat ring

ASTM A216 WCB,A217 WC6,A351 CF8,A351 CF8M,

A351 CF3,A351 CF3M,A351 CN7M

 

Standards compliance 

Design and Manufacture: ANSI B16.34,BS1873

Face to face(end to end): ANSI B16.10

Flanged connection: to ANSI B16.5

Butt welded end: ANSI B16.25

Test and inspection: API598

 

A. Anti-friction ball thrust bearing: Reduces friction between mating parts to ensure smooth operation

B. Grub screw: Secures yoke nut in the bonnet

C. Grease nipple: Supplies lubricant to the mating parts


Materials

NO.

Part name

Material

18

Grub screw

Carbon steel

17

Hand wheel nut

Carbon steel

16

Hand wheel

Carbon steel

15

Eye bolt and nut

A 193 B7/A194 4~A193 B8/A194 8

14

Pin

Carbon steel/SS

13

Stem nut

A 439-D2/cu-alloy

12

Gland flange

Carbon steel

11

Gland bush

Stain steel

10

Back seat

Stain steel

09

disc nut

CS+SS/SS/SS+STL

08

Stem

Stain steel

07

Seat ring

See body material

06

Disc



NO.

Part name

WCB

LCB

WC6

WC9

05

Stud and nut

A193 Gr B7/A194 Gr 2H

A320 Gr L7/A194 Gr 4

A193 Gr B16/A194 Gr 4/7

A193 Gr B16/A194 Gr 4/7

04

Gland Packing

Graphite

Graphite

Graphite

Graphite

03

Gasket

Spiral wound/Soft iron

Spiral wound/Soft iron

Spiral wound/SS304

Spiral wound/SS304

02

Bonnet

A216 Gr WCB

A352 Gr LCB

A271 Gr WC6

A271 Gr WC9

01

Body

A216 Gr WCB

A352 Gr LCB

A271 Gr WC6

A271 Gr WC9


NO.

Part name

C5

C12

CF8

CF8M

05

Stud and nut

A193 Gr B16/A194 Gr 4/7

A193 Gr B16/A194 Gr 4/7

A193 Gr B16/A194 Gr 4/7

A193 Gr B7/A194 Gr 2H

04

Gland Packing

Graphite

Graphite

Graphite

Graphite

03

Gasket

Spiral wound/Soft iron

Spiral wound/Soft iron

Spiral wound/SS304

Spiral wound/SS316

02

Bonnet

A217 Gr C5

A217 Gr C12

A351 Gr CF8

A351 Gr CF8M

01

Body

A217 Gr C5

A217 Gr C12

A351 Gr CF8

A351 Gr CF8M


CLASS 150~1500 CAST STEEL GLOBE VALVE


Dimensions

Class 150

Size

inch

2

2-1/2

3

4

5

6

8

10

12

14

16

18

L,L1-RF,BW

mm

203

216

241

292

356

406

495

622

698

787

914

978

L2-RTJ

mm

216

229

254

305

368

419

508

635

711

800

927

991

H

mm

330

390

410

475

540

585

725

825

940

1200

1270

1300

K

mm

200

250

250

300

350

350

450

500

600

600

650

650

WT

Kg

23

29

40

59

95

115

178

268

385

540

760

1050




Dimensions

Class 300

Size

inch

2

2-1/2

3

4

5

6

8

10

12

14

16

L,L1-RF,BW

mm

267

292

318

356

400

444

559

622

711

838

863

L2-RTJ

mm

283

308

333

371

416

460

575

638

727

854

879

H

mm

350

425

485

520

565

655

825

920

1155

1250

1295

K

mm

200

250

300

300

350

350

500

600

700

700

450 

WT

Kg

30

45

60

83

135

162

265

375

525

765

1100




Dimensions

Class 600

Size

inch

2

2-1/2

3

4

5

6

8

10

L,L1-RF,BW

mm

292

330

356

432

508

559

660

787

L2-RTJ

mm

295

333

359

435

511

562

664

791

H

mm

420

490

550

590

620

700

950

1140

K

mm

250

300

300

350

500

500

600

600

WT

Kg

39

61

76

122

210

245

447

692




Dimensions

Class 1500

Size

inch

2

2-1/2

3

4

6

L,L1-RF,BW

mm

368

419

470

546

705

L2-RTJ

mm

371

422

473

549

711

H

mm

550

580

625

750

925

K

mm

300

350

400

450

600

WT

Kg

116

125

145

210

475


Gear operation suggested. Dimensions on request.


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