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Flanged Forged Steel Pressure Seal Globe Valve

Description

Flanged forged steel pressure seal globe valve is a type of flanged globe valve. It is mainly made up of valve body, disc, shaft pin and stem. This globe valve is a valve with closure member (disc) moving along with the center line with valve seat. Since it has relative short opening and closing stroke, this valve is very suitable for cutting off and regulating medium flow. All our products have passed CE and JB/T9092 certification.

Applications

Our flanged forged steel pressure seal globe valve is widely applied on tap water, sewage, building, petroleum, chemical, food, medicine, textile, electricity, ship, metallurgy, energy and other pipeline systems, such as
1. High temperature and pressure petrochemical pipelines systems in thermal power plants and nuclear power stations
2. Pipelines with small requirement on flow resistance (pressure loss)
3. Low requirement on regulating precision and small diameter (nominal diameter ≤ 50 mm) pipelines
4. Chemical fertilizer production line
5. Alumina production process (easy-coking pipeline in desilication workshop)
6. Water and heat supply engineering in urban construction

Features

1. The medium in the flanged forged steel pressure seal globe valve can only flow in one direction and the flowing direction can not be changed when the flanged globe valve is in operation.
2. When opened or closed, there is no relative sliding between valve body and disc.
3. Since medium channel twists and turns in valve body, the fluid resistance is big.
4. This flanged globe valve is featured by fine sealing performance and long service time.
5. Friction is small between sealing surfaces.
6. Precision casting technology is adopted to manufacture valve body.
7. CNC processing is applied on valve disc.
8. Two times shot blasting makes exquisite outward appearance of the flanged forged steel pressure seal globe valve.

Technical Specification of Flanged Globe Valve


Technical Specification ASME/API/BS GB/JB
Design Standard ASME B16.34/BS5352 GB/T12235 GB/T12224
Pressure-Temperature Rating ASME B16.34 GB/T12224
Face-Face ASME B16.10 GB/T12221 JB/T96-95
Flange Ends ASME B16.5 GB/T9113JB/T82.1~82.4
Buttwelding Ends ASME B16.25 GB/T12224
Inspection & Test API598 JB/T9092

Material List for Main Parts of Flanged Pressure Seal Globe Valve


No. Part Name ASTM
Carbon Steel Tailess Steel Alloy Steel
1 Body A105 LF2/LF3 A182 F304 A182 F11/F22
2 Disc A182F6a A182F6a A182 F304 A182 F6a
3 Stem A276-410 A276-410 A276-304 A276-410
4 Gasket Graphite+304
5 Sealing Ring Graphite
6 Yoke A216-WCB A216-WCB A351 CF8 A216-WCB
7 Bonnet A105 LF2/LF3 A182 F304 A182 F11/F22
8 Gland A216-WCB A216-WCB A351 CF8 A216-WCB
9 Bolt A193 B7 A320L7 A193 B8 A193 B16
10 Packing Graphite
11 Stem Bushing A276-410 A276-410 A276-304 A276-410
12 Gland A216-WCB A216-WCB A351 CF8 A216-WCB
13 Eye Blot A193 B7 A320 L7 A193 B8 A193 B7
14 Stem Nut A276-410
15 Handwheel A197 or A47-32510

Main Dimensions & Weight of Flanged Forged Steel Pressure Seal Globe Valve


Pressure Size Main Dimension of Flanged Globe Valve Weight(kg)
mm in. d LRF LBW LRTJ H W
WB PB WB PB
CLASS900 PN16.0 15 1/2 10 216 216 216 310 333 180 13.5 12.5
20 3/4 13 229 229 229 310 333 180 12.6 11.8
25 1 19.1 254 254 254 310 333 180 11.8 11.5
32 1-1/4 25 279 279 279 389 420 200 24.4 23.4
40 1-1/2 32 305 305 305 389 420 200 22.5 21.7
50 2 38.1 368 368 371 498 524 300 45.5 43.5
CLASS1500 PN26.0 15 1/2 10 216 216 216 310 333 180 13.5 12.5
20 3/4 13 229 229 229 310 333 180 12.6 11.8
25 1 19.1 254 254 254 310 333 180 11.8 11.5
32 1-1/4 25 279 279 279 389 420 200 24.4 23.4
40 1-1/2 32 305 305 305 389 420 200 22.5 21.7
50 2 38.1 368 368 371 498 524 300 45.5 43.5
CLASS2500 PN42.0 15 1/2 10 264 264 264 310 333 180 14.3 13.3
20 3/4 13 273 273 273 310 333 180 13.1 12.5
25 1 19.1 308 308 308 310 333 180 12.4 11.8
32 1-1/4 25 349 349 352.2 389 420 200 25. 25.5
40 1-1/2 32 384 384 387.2 389 420 200 24.2 24.6
50 2 38.1 451 451 454.2 498 524 300 49 47.2
Note: H means the height when valve is fully opened.

Warranty

18 months warranty and lifetime technology service are offered for our flanged forged steel pressure seal globe valves.