Features

“SPLIT-BODY, FREE FLOATING BALL, SOFT SEATED & FORGED DEISGN”

The DFS Series Two/Three-Piece, Full/ Reduced port, Flanged/ Welded end, floating ball valves are designed, constructed and tested strictly in accordance with the latest international standards of API, ASME, BS, and DIN. It provide bubble-tight shutoff, low maintenance, no-leak stem seals and the safety assurance of a blowout-proof stem assembly.

Materials include forged carbon steel, low-temperature carbon steel, stainless steel, Monel, Hastelloy, Alloy 20 and others as required. These materials are compliance with NACE standard MR 0175 specifications.

Specifications

Split body, side entry, full/ reduced port, free floating ball, "Fire-safe" designed to API 607/ISO 10497, anti-blow out proof stem, pressure balance hole in ball and locking device.

Designed to API 6D, ASME B 16.34, API 608 and ISO 17292/ BS 5351 specifications.

- Size Range : NPS 1/2(DN 15) to NPS 6(DN 150 )
- Pressure Rating : ASME Class 150 to 2500
- Face-to-face or End-to-end : API 6D and ASME B16.10
- Flanged End : ASME B16.5 FF, RF, RTJ
- Welded End : ASME B16.25
- Socket Welded End : ASME B16.11
- Valve Inspection and Test : API 598
- Materials : CS, LTCS, SS & Duplex, Etc..