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Introduciton:

Trunnion ball valves can be Cast steel trunnion ball valves and forged steel trunnion ball valves. Cast steel trunnion ball valves are designed in 2-pc or 3-pc body. Cast steel trunnion ball valves have better price compared to forged steel trunnion ball valves. Relia has been trunnion ball valve manufacturers for more than ten years; it plays an important role in cast steel trunnion ball valves China.

Features:

• Upstream sealing
• Self relieving seat
• Double block and bleed
• Fire safe design
• Anti-static device
• Blow-out proof stem
• Emergency injection system
• Stem extension on request
• 2-Pc or 3-Pc body

Standards：

• Design - API 6D/ASME B16.34

• Face to Face - ASME B16.10/API 6D

• End to End - ASME B16.10/API 6D

• BW End - ASME B16.25

• Test - API 598/BS 6755

• Fire Safe Design - API 607/API 6FA

• Special - NACE MR-01-75

Range：

• Body Material

- WCB, LCB, CF8, CF8M, CF3, CF3M, MONEL

• Seat Insert

- PTFE, Nylon, PEEK, PPL, Molon, Develon, Delrin, RPTFE

• O-ring Seals

- NBR, Viton A, Viton AED, EPDM, Viton B

• Stem/Ball/Seat Ring

- PTFE, 304, A105+ENP, 17-4PH, 4140+ENP, 316, 304L, 316L, LF2+ENP, 13Cr/Hard Cr, F51

• End Connection - Flange/BW

• Pressrue Rating

- Class 150, 300, 600, 900, 1500, 2500

• Size - 2"-40"