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"

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