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Forged steel globe valves

Forged steel globe valves

 valve are available in three bonnet designs. The first design is the Bolted Bonnet,with male-female joint,spiral wound gasket,made in F304L/graphite,ring joint gasket are also available on request. The second design is the welded bonnet,with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet,with a threaded and pressure seal bonnet joint.






Globe valve Design Construction and Specifications

globe valves conform to API602,and ASME B 16.34
Each are tested according to API 598,and marking is per MSS SP-25

Construction is as follows

* Full Port or Conventional Port
* Outside Screw and Yoke(OS & Y)
* Two piece self-aligning packing gland
* Bolted bonnet with spiral wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet
* Integral backseat
* Globe valve Loose solid disc
* Socket weld Ends to ASME B 16.11
* Screwed Ends (NPT) to ANSI/ASME B1.20.1

Forged Steel Globe Valves Class800

Standard Material Specification of Forged Steel Globe Valve

Parts No. Parts Name CS to ASTM AS to ASTM SS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Disc A276 420 A182 F304 A182 F304(L) A182 F316(L)
3 Stem A182 F6 A182 F304 A182 F304(L) A182 F316(L)
4 Gasket Corrugated SS+graphite Corrugated SS+graphite SS+PTFE SS+PTFE
5 Bonnet A105 A182 F22 A182 F304(L) A182 F316(L)
6 Bonnet Bolt A193 B7 A193 B16 A193 B8 A193 B8M
7 Pin A276 420 A276 420 A182 F304 A182 F304
8 Gland A276 410 A276 410 A182 F304(L) A182 F316(L)
9 Gland Eyebolt A193 B7 A193 B16 A193 B8 A193 B8M
10 Gland Flange A105 A182 F11 A182 F304(L) A182 F316(L)
11 Gland Nut A194 2H A194 4 A194 8 A194 8M
12 Yoke Nut A276 410 A276 410 A276 410 A276 410
13 H.W. Lock Nut A194 2H A194 4 A194 8 A194 8M
14 Nameplate SS SS SS SS
15 Handwheel A197 A197 A197 A197
16 Stem Packing Flexible Graphite Flexible Graphite PTFE PTFE
Suitable Medium W.O.G. etc W.O.G. etc HNO3,CH3OOH etc HNO3,CH3OOH etc
Suitable Temperature -29℃~425℃ -29℃~550℃ -29℃~180℃ -29℃~180℃

Forged Steel Globe Valve Dimension (mm) and Weight(kg)

NPS CONV. 3/8" 1/2" 3/4" 1" 11/4" 1 1/2" 2"  
FULL   3/8" 1/2" 3/4" 1" 1 1/4" 1 1/2" 2"
L 79 79 92 111 120 152 172 200
H(OPEN) 166 166 171 207 240 258 330 355
W 100 100 100 125 160 160 180 200
WEIGHT Bolted 1.9 1.9 2.1 3.5 6.0 7.5 11.4 14.6

welded

1.7 1.7 1.9 3.3 5.2 6.8 10.6 13.8

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Related Category: Globe Valves

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