Pressure Sealed Bonnet Globe Valve 6 Inch 1500LB BW


  • MaterialCarbon Steel Globe Valve, Cast Steel Globe Valve
  • Method of OperationGearbox Operation Globe Valve

The 6 Inch PSB globe valve has 1500LB design pressure, butt weld end, and gearbox. The full bore globe valve is made of carbon steel WCB body and trim 5 material.

Quick Detail

Type

Globe Valve

Size

6''

Design Pressure

Class 1500

Construction

Pressure Seal Bonnet, Plug Type Disc, Rising Stem

Connection Type

Butt Weld

Operation Type

Bevel Gearbox Opearted

Design Code

BS 1873

End to End

ASME B16.10

Connection End

ASME B16.25

Pressure & Temperature

ASME B16.34

Test & Inspection Standard

API 598

Body Material

Cast Steel WCB

Trim Material

Trim NO. 5

Temperature Range

-29~+425

Application

WOG

Origin

China


Material & Dimension

High Pressure Globe Valve Manufacturers


NPS          DN Class 2 2 1/2 3 4 6 8
50 65 80 100 150 200
L(RF)    L1(BW) 900LB 368 419 381 457 610 737
1500LB 368 419 470 546 705 832
2500LB 451 508 578 673 917 1022
L2(RTJ) 900LB 371 422 384 460 613 740
1500LB 371 422 473 549 711 841
2500LB 454 514 584 683 927 1038
H(Opne) 900LB 550 605 678 798 930 1230
1500LB 550 605 866 956 1260 1263
2500LB 560 720 755 1230 1791 2086
W 900LB 350 350 400 450 458 610*
1500LB 400 400 450 560 610* 610*
2500LB 400 450 560 310* 610* 760
Weight   (RF) 900LB 78 108 102 142 400 960
1500LB 85 110 135 230 660 1590
2500LB 140 168 247 620 1500 3200
Weight   (BW) 900LB 66 91 87 128 355 868
1500LB 77 101 122 209 595 1440
2500LB 100 118 180 438 1148 2594
*Manual gear operator is recommended


No Part Name Carbon steel to ASTM Alloy steel to ASTM Stainless steel to ASTM
WCB WC6 WC9  C5 CF8 CF8M CF3 CF3M
1 Body A216 WCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
2 Seat Ring A105 A182 F11 A182 F22 A182 F5 A182 F304 A182 F316 A182 F304L A182 F316L
3 Disc A105 A182 F11 A182 F22 A182 F5 A182 F304 A182 F316 A182 F304L A182 F316L
4 Stem A182 F6 A182 F304 A182 F304 A182 F316 A182 F304L A182 F316L
5 Disc nut A182 F6 A182 F304 A182 F304 A182 F316 A182 F304L A182 F316L
6 Cap SS Spiral Wound graphite or SS Spiral Wound PTFE
7 Body Seal Flexible Graphite+316
8 Adjustment Gasket F6 F6 F316
9 Stem packing Flexible Graphite+316
10 Gland Nut A194 2H A194 8
11 Gland Eyebolt A193 B7 A193 B8
12 Pin Carbon steel or Stainless Steel
13 Cap Nut Carbon steel or Stainless Steel
14 Gland A182 F6 A182 F304 A182 F316 A182 F304L A182 F316L
15 Gland Flange A216 WCB A351 CF8
16 Yoke A216 WCB A351 CF8
17 Stem Nut A439 D2 or B148-952A
18 Screw Carbon steel
19 Handwheel Ductile Iron or carbon steel
20 Name Plate Stainless steel or Aluminum
21 Washer Carbon steel
22 Nut Carbon steel or Stainless Steel

Related Knowledge

Why do we use pressure seal bonnet?


Pressure sealed bonnet are often used for valves with high design pressure. The higher the internal pressure gets, the greater the sealing force beween body and bonnet become.


For bolted bonnet valves, the body and bonnet are joined by studs and nuts with a gasket between the flange faces to facilitate sealing. However,as system pressure increases,the potential for leakage through the body and bonnet increases.

But for pressure sealed valve, “bonnet take-up bolts” to pull the bonnet up and seal against the pressure seal gasket. That is why when pressure increase, the performance of pressure seal gasket between body and bonnet becomes better.




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