Firesafe
Pneumatic Spring Return, Double Acting, and Electric
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Series F91 Firesafe Unibody Flanged Automated Ball Valve Packages
Triac Series F91 firesafe unibody flanged ball valves feature a high quality investment cast body and end. They are available in 1/2” through 6” and are regular port. Superior leak protection is accomplished by using our patented “pyramidal” stem seal system shown in the graphic below. This advanced system protects against wear and leakage experienced by ordinary ball valves.
 Series F91 firesafe unibody flanged automated ball valve package features:
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- FIRESAFE
- Sizes 1/2" – 6"
- Regular Port
- ANSI Class 150#
- Direct Actuator Mount
- Available in 316SS or WCB
- Anti-static Device
- 316SS Body, Ball and Stem
- Compliant to NACE MRO175
- Pyramidal Stem Packing System
- Blowout-proof Stem
- ISO5211 Mounting
- Locking Handle Standard
- Each Valve is Traceable (MTRs available - contact us for details
Reinforced TFE seats are standard, but various options are available for seat materials. The 50/50 seat option is excellent for services that call for higher temperatures and more difficult applications including steam. Contact us for details.
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