Franklin Double Block And Bleed Plug Valve
Frankin Duraseal Plug Valve - Double Block and Bleed - Mechanical seal- bubble tight. - Allow operators the ability to isolate a process line and test from the valve. - Perfect for fueling processes. - Repair Duraseal Inline, no special tools. - The Duraseal never requires sealant to seal properly. - Reversed engineered from the original twin seal design.
Franklin Duraseal Plug Valve Standard Materials of Construction - D700 Reduced and D600 FULL BORE |
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700 & 600 SERIES |
D711 & D611 ANSI 150 |
D721 & D621 ANSI 300 |
D741 & D641 ANSI 600 |
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Body |
CAST CARBON STEEL ASTM A216 WCB WITH CHROME PLATED BORE |
CAST CARBON STEEL ASTM A216 WCB WITH CHROME PLATED BORE |
CAST CARBON STEEL ASTM A216 WCB WITH CHROME PLATED BORE |
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Bonnet/Lower Plate |
CARBON STEEL ASTM A216 WCB or ASTM A350 LF2 |
CARBON STEEL ASTM A216 WCB or ASTM A350 LF2 |
CARBON STEEL ASTM A216 WCB or ASTM A350 LF2 |
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Plug |
ASTM A216 WCB or ASTM A487 – 4D WITH ELECTROLESS NICKEL PLATING (1) |
ASTM A216 WCB WITH ELECTROLESS NICKEL PLATING (1) |
ASTM A216 WCB & ASTM A487 – 4D WITH ELECTROLESS NICKEL PLATING (1) |
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Stem |
A216 WCB or ASTM A487 – 4D WITH ELECTROLESS NICKEL PLATING (1) |
A216 WCB WITH ELECTROLESS NICKEL PLATING (CAST PLUG) (1) |
A216 WCB or ASTM A487 – 4D WITH ELECTROLESS NICKEL PLATING (1) |
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Slips |
Ductile Iron ASTM A536 Gr 80-55-06, ASTM A 395 60-40-18 or ASTM A516 gr 70 |
Ductile Iron ASTM A536 Gr 80-55-06, ASTM A 395 60-40-18 or ASTM A516 gr70 |
Ductile Iron ASTM A536 Gr 80-55-06, ASTM A395 60- 40-18 or ASTM A516 gr70 |
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Gland |
17-4 SS |
17-4 SS |
17-4 SS |
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Gland Packing |
Graphite |
Graphite |
Graphite |
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Body Fire Seals |
Graphite |
Graphite |
Graphite |
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O-Rings & Slip Seals |
See trim selection |
See trim selection |
See trim selection |
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Fasteners |
ASTM A193 Gr. B7 / 2H |
ASTM A193 Gr. B7 / 2H |
ASTM A193 Gr. B7 / 2H |
| Note: All Materials subject to change without notice. *Manganese Phosphate Coating available * NACE SPECIFICATION AVAILABLE *ENP Bore available (1) In accordance with NACE MRO175 Latest Edition
Proper seal selection requires a number of considerations such as media, pressure class, differential pressure, low temperature, high temperature, seal type, etc. To that end we have included a selection of slip seal materials and a |
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Franklin Duraseal Plug Valve Fluoro Elastomers Slip Seal Materials |
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V |
Viton |
Our Standard Material |
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V9 |
Viton 90 Durometer |
Standard HIDP |
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VFR |
Fiber Reinforced Viton |
Optional HIDP |
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VGF |
Viton GF |
Viton with Enhanced Chem. Resistance |
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VGLT |
Viton GFLT |
Low Temp Viton GF |
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VGLT9 |
Viton 90 Durometer GFLT |
HIDP Low Temp Viton GF |
Franklin Duraseal Plug Valve Nitrile Elastomers Slip Seal Materials |
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H |
Nitrile |
Standard Nitrile |
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H9 |
Nitrile 90 Durometer |
HIDP Nitrile |
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LH |
Low Temp Nitrile |
Low Temp Nitrile |
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H5 |
Modified Nitrile |
Reformulate Gasoline Seal Material |
Franklin Duraseal Plug Valve Specialty Slip Seal Materials |
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C |
Epichlorohydrin |
Good Low Temp Material |
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E |
Ethylenepropylene |
Ammonia but not Hydrocarbon |
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UHS |
Fluorosilicone |
Good High and Low Temp |
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AFL |
AFLAS |
Amines, exp. decomp., steam, 450° F |
All Franklin Duraseal Plug Valve specifications and materials are subject to change without notice. DURASEAL conforms to API 6FA testing. Like the original twin seal plug valve.
