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Fire Rated 2-way Ball Valves
SP Series 6, 1/2” – 3”
IMI PBM’s Fire-Rated valves can accommodate flammable media in industrial process environments. These API-607 qualified valves feature a backup metal seat against which the ball seals if the normal polytetrafluoroethylene seats melt under fire conditions. This metal seal allows only limited leakage under fire conditions.
- Fire Rated, tested to API-607.
- SP Series 6 Fire Rated valves have o-rings.
- Valve shall be a three-piece “swing-out” body design.
- Valves meet ASME B16.34.
- Stem assembly accommodates IMI PBM Direct Mount Actuation for accurate alignment and increased cycling life.
- Full port design.
- Valves are rated to full vacuum.
- Optional Fusible Link – A Spring Return Handle unit can be equipped with optional fusible links and/or electro thermal links specified to a customer’s required melt temperature, which closes the valve during fire conditions.
Product Specifications
Sizes
- 1/2” – 3” Series 6
Material
- 316/316L
- ASTM A351 CF3M
- Hastelloy® C276 and other ASME B16.34 materials
Temperatures
- Up to 450°F depending on seat and seal material
End connections
- Flange
- NPT
- Extended buttweld for pipe
- Extended socket weld
Seats & seals
- V-TEF™ or S-TEF® Seats
- Graphite seals
- O-rings (FKM V1274-75/80, EPR E3609-70, others available)
Stem packing material
- V-TEF™ or S-TEF®
- Graphite seals
Body bolts & nuts
- 18-8 Stainless Steel, fully encapsulated
Maximum working pressure
- Up to 700 psig CWP depending on valve series, size and temperature
Finish
- Standard internal finish of 125 Ra ID
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