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PureFlex® 400 Derakane 470 Vinyl Ester/Fiberglass 1-Piece Ball Valve, 275 psi, -50 to 215 deg F
The PureFlex 400 series composite ball valve is a superior quality, ANSI class 150 valve engineered with features not yet available in any other composite ball valve. Manufactured from advanced premium Derakane® 470 grade vinyl ester or E-Plus™ epoxy resin reinforced with fiberglass or carbon graphite, the valve is able to withstand severe corrosive media as well as hostile environments up to 275 deg F. The 400 series ball valve exceeds class VI shut off and its stem seal will meet your routine or most demanding service requirements. The massive 1-piece body meets ANSI B16.10 dimensions and its ISO 5211 universal mounting pad and flange mounting makes automation simple even with the valve in service. The 400 series valves are 1/2 the weight of alloy valves and offer maximum corrosion resistance, the elimination of product contamination, and provide the ultimate in flexibility and value.
- Features
- It is highly corrosion resistant and is suitable for many chemicals
- Bidirectional flow
- 1-piece massive valve body is lightweight, rugged and is as corrosion resistant on the outside as it is on the inside to resist environmental attack
- Valve body endcap is sealed with PTFE diametrical seal locked in compression to eliminate cold flow
- Stud and nut design, standard material is Hastelloy® C276, designed to minimize valve body stress when adjustment is required
- Packing gland is live loaded with belleville washers, eliminating unnecessary adjustment and aids in reducing stem emissions
- Packing gland standard materials is Hastelloy® C276 and is guaranteed not to corrode in hostile environments
- Stem insert is Hastelloy® C276 encapsulated with either carbon graphite reinforced vinyl ester or E-Plus™ epoxy resin
- Graphite/PTFE radial bearing prevents stem side loading aiding in eliminating emissions and extending packing life
- Chevron PTFE packing provides positive stem sealing while maintaining low turning torque
- Graphite/PTFE stem thrust bearing maintains low turning torque
- Ball material is carbon graphite reinforced vinyl ester or E-Plus™ epoxy, ball OD is micro polished to provide longer seat life, FEP encapsulated Viton o-rings energize seats to ball and aid in bubble tight shut off at low pressures
- PTFE cavity filled seats minimize cavity around ball which could retain process media
- Standards/Approvals: ANSI/ASME B16.10, API 598, ISO 5211 Certified, MSS SP-72
- Applications: For hydrochloric acid, calcium chloride, ferric chloride, isopropyl alcohol, phosphoric acid, potassium chloride, sulphuric acid