Fully welded forged steel ball valve
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Fully welded forged steel ball valve

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Fully welded forged steel ball valve is designed by an extension stem for buried pipe service, widely used in crude oil / natural gas system, oil refining, chemical and petrochemical processing industries for long distance transporation pipeline.

Features: 1.Forged ball, 2.Anti-fire safe design, 3.Anti-static device, 4.Free leakage of body Sealed construction, 5.Low torque in operation, 6. Double block&bleed(DBB), 7.Emergency sealing, 8.Extension stem at your choice, 9.Automatic body cavity relief, 10.Various driving types: gear, lever, electric, hydraulic, pneumatic, gas over oil etc.

Standards Compliance
Design and manufacture: ANSI B16.34, API 6D, BS5351
Face to face dimensions: ANSI B16.10, API 6D
Flanged connection: ANSI B16.5, ANSI B16.47
Butt welded: ANSI B16.25
Fire-safe: API 607, API 6FA
Test and inspection: API 598, API6D

Material Specifications
Body/Cap: A105, A350 LF2, A182 F304, A182 F316, A182 F304L, A182 F316L
Ball: A105+HCr, A350 LF2+TSC, A182 F304+Ni60, A182 F316+nitrided, A182 F304L, A182 F316L, A182 F6a
Stem/Trunnion: A105+HCr, A350 LF2+TSC, A182 F304+Ni60, A182 F316+nitrided, A182 F304L, A182 F316L, A182 F6a
Seat Retainer: A105+HCr, A350 LF2+TSC, A182 F304+Ni60, A182 F316+nitrided, A182 F304L, A182 F316L, A182 F6a
Seat ring: metal seated or insert PTFE/RPTFE/NYLON/PEEK

Note: For ball, stem and seat retainer, we have special treatment, such as hardface 13Cr overlay welded, stellite 6 welded, TSC, Ni60 coating, nitriding treatment if being requested by customer.
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• ANSI Class 150 : 2" to 56"
• ANSI Class 300 : 2" to 56"
• ANSI Class 600 : 2" to 56"
• ANSI Class 900 : 2" to 36"
• ANSI Class 1500 : 2" to 24"
• ANSI Class 2500 : 2" to 16"

Technical Specification

ANSI Class (Lbs)

150

300

400

600

900

1500

2500

Test Pressure

(MPA)

Shell Test

2.94

7.67

10.2

15.3

22.98

38.3

63.83

Seal Test

2.16

5.62

7.48

11.23

16.85

28.08

46.81

Air Test

0.55+/-0.07

Applicable temperature: -196 C degree to 600 C degree
Note: please choose different materials for different working conditions.



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