Process Valves > Ball Valves > A-T Controls Series F91

 

A-T Controls Series F91 Flanged Regular Port Fire Safe Ball Valves

The Triac A-T Controls Series F91 flanged, regular port ball valve is a fire safe, unibody, manual valve with a high quality investment cast body and end. It comes in sizes 1/2" to 6" and is available in stainless or carbon steel. 50/50 seats can be used for high temperature and difficult applications.

The F91 series uses A-T controls patented, “pyramidal” stem seal system for superior leak protection. This advanced system protects your valve against wear and leakage, and reduces your plant’s fugitive emissions.

The Series F91 is easy to automate! See pneumatic and electric automated datasheets for pre-sized assemblies.

Key Specifications

  • Regular port; Sizes 1/2" to 6"
  • ANSI Class 150# flanged connections and ISO 5211 mounting
  • Anti-static and firesafe (API 607 4th edition certified)
  • Pyramidal stem packing system; Blowout-proof stem
  • Locking handle standard
  • Each valve is traceable (MTRs available - contact us for details)
  • 50/50 seats optional for high temps
  • Compliant to NACE MRO175

Specifications, Manuals, and Supporting Literature

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Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

Series F91 Flanged Firesafe Ball Valve with Lever Handle

Dimensions: A-T-Controls Series F91 Manual Flanged Ball Valve
Valve
Size
Flow
Cv
Valve Dimensions (in) Lever Dimensions (in) Carbon Steel Valve
Catalog Number
Stainless Steel Valve
Catalog Number
AA DD L W W1 Q NN I J N C E F
0.5" 9 0.50 1.80 4.26 0.44 0.06 0.63 4 1.38 2.38 3.5 6.5 0.37 3.22 F91C-F1-050-XXX F91-F1-050-XXX
0.75" 15 0.59 2.02 4.62 0.44 0.06 0.63 4 1.69 2.75 3.88 6.5 0.39 3.44 F91C-F1-075-XXX F91-F1-075-XXX
1" 42 0.79 2.19 5.0 0.44 0.06 0.63 4 2 3.12 4.25 6.5 0.39 3.61 F91C-F1-100-XXX F91-F1-100-XXX
1.5" 125 1.26 2.86 6.50 0.56 0.06 0.63 4 2.88 3.88 5 8.46 0.51 4.71 F91C-F1-150-XXX F91-F1-150-XXX
2" 165 1.50 3.51 7.02 0.63 0.06 0.75 4 3.62 4.75 6 10.35 0.75 5.68 F91C-F1-200-XXX F91-F1-200-XXX
2.5" 245 1.97 3.80 7.50 0.69 0.06 0.75 4 4.12 5.5 7 10.35 0.75 5.97 F91C-F1-250-XXX F91-F1-250-XXX
3" 350 2.56 4.57 8.0 0.75 0.06 0.75 4 5 6 7.5 14.37 0.75 6.31 F91C-F1-300-XXX F91-F1-300-XXX
4" 680 3.15 5.22 9.0 0.94 0.06 0.75 8 6.19 7.5 9 14.37 0.91 7.13 F91C-F1-400-XXX F91-F1-400-XXX
6" 1020 4.37 7.07 10.5 1.0 0.06 0.87 8 8.5 9.5 11 29.53 1.12 9.63 F91C-F1-600-XXX F91-F1-600-XXX

Series F91 Flanged Firesafe Ball Valve with Pneumatic Spring Return Actuator

Dimensions: A-T-Controls Series F91 Flanged Ball Valve with Pneumatic Actuator
Valve
Size
Flow
Cv
 Spring Return Actuator Dimensions* (in) Carbon Steel Valve
Catalog Number
Stainless Steel Valve
Catalog Number
A B C D E
0.5" 9 5.98 2.76 0.79 1.8 2.58 F91C-F1-050/2R2S- F91-F1-050/2R2S-
0.75" 15 5.98 2.76 0.79 2.02 2.58 F91C-F1-075/2R3S- F91-F1-075/2R3S-
1" 42 7.95 3.43 0.79 2.19 3.29 F91C-F1-100/2R3S- F91-F1-100/2R3S-
1.5" 125 9.29 4.49 0.79 2.86 4.41 F91C-F1-150/2R3S- F91-F1-150/2R3S-
2" 165 9.29 4.49 0.79 3.51 4.41 F91C-F1-200/2R5S- F91-F1-200/2R5S-
2.5" 245 9.29 4.49 0.79 3.8 4.41 F91C-F1-250/2R5S- F91-F1-250/2R5S-
3" 350 9.29 4.49 0.79 4.75 4.41 F91C-F1-300/2R6S- F91-F1-300/2R6S-
4" 680 11.46 5.28 0.79 5.22 5.2 F91C-F1-400/2R7S- F91-F1-400/2R7S-
6" 1020 13.9 6.18 0.79 7.07 6.04 F91C-F1-600/2R8S- F91-F1-600/2R8S-
Optional Solenoid** None
NEMA 4 NAMUR-Mounted Solenoid, 24 VDC/120 VAC
NEMA 7 NAMUR-Mounted Solenoid, 24 VDC/120 VAC
Intrinsically Safe Solenoid
-X_
-A_
-B_
-C_
-X_
-A_
-B_
-C_
Feedback Signals None
Two SPDT NEMA 4
Two SPDT NEMA 7
Intrinsically Safe Limit Switch
-_X
-_A
-_B
-_C
-_X
-_A
-_B
-_C
*See Series F91 Flanged Firesafe Ball Valve with Lever Handle Model Selection Guide at the top for full valve dimensions.
**Please specify solenoid voltage at time of order.

Series F91 Flanged Firesafe Ball Valve with Pneumatic Double-Acting Actuator

Dimensions: A-T-Controls Series F91 Flanged Ball Valve with Pneumatic Actuator
Valve
Size
Flow
Cv
Actuator Dimensions* (in) Carbon Steel Valve
Catalog Number
Stainless Steel Valve
Catalog Number
A B C D E
0.5" 9 5.98 2.76 0.79 1.8 2.58 F91C-F1-050/TR1D- F91-F1-050/TR1D-
0.75" 15 5.98 2.76 0.79 2.02 2.58 F91C-F1-075/TR1D- F91-F1-075/TR1D-
1" 42 7.95 3.43 0.79 2.19 3.29 F91C-F1-100/2R2D- F91-F1-100/2R2D-
1.5" 125 9.29 4.49 0.79 2.86 4.41 F91C-F1-150/2R3D- F91-F1-150/2R3D-
2" 165 9.29 4.49 0.79 3.51 4.41 F91C-F1-200/2R3D- F91-F1-200/2R3D-
2.5" 245 9.29 4.49 0.79 3.8 4.41 F91C-F1-250/2R3D- F91-F1-250/2R3D-
3" 350 9.29 4.49 0.79 4.75 4.41 F91C-F1-300/2R4D- F91-F1-300/2R4D-
4" 680 11.46 5.28 0.79 5.22 5.2 F91C-F1-400/2R5D- F91-F1-400/2R5D-
6" 1020 13.9 6.18 0.79 7.07 6.04 F91C-F1-600/2R7D- F91-F1-600/2R7D-
Optional Solenoid** None
NEMA 4 NAMUR-Mounted Solenoid, 24 VDC/120 VAC
NEMA 7 NAMUR-Mounted Solenoid, 24 VDC/120 VAC
Intrinsically Safe Solenoid
-X_
-A_
-B_
-C_
-X_
-A_
-B_
-C_
Feedback Signals None
Two SPDT NEMA 4
Two SPDT NEMA 7
Intrinsically Safe Limit Switch
-_X
-_A
-_B
-_C
-_X
-_A
-_B
-_C
*See Series F91 Flanged Firesafe Ball Valve with Lever Handle Model Selection Guide at the top for full valve dimensions.
**Please specify solenoid voltage at time of order.

Series F91 Flanged Firesafe Ball Valve with Electric On/Off Actuator

Dimensions: A-T-Controls Series F91 Flanged Ball Valve with Electric Actuator
Valve
Size
Flow
Cv
Actuator Dimensions* (in) Carbon Steel Valve
Catalog Number
Stainless Steel Valve
Catalog Number
A B D E
0.5" 9 5.94 5.24 1.8 4.15 F91C-F1-050/WEA1- F91-F1-050/WEA1-
0.75" 15 5.94 5.24 2.02 4.15 F91C-F1-075/WEA1- F91-F1-075/WEA1-
1" 42 5.94 5.24 2.19 4.15 F91C-F1-100/WEA1- F91-F1-100/WEA1-
1.5" 125 5.94 5.24 2.86 4.15 F91C-F1-150/WEA1- F91-F1-150/WEA1-
2" 165 5.94 5.24 3.51 4.15 F91C-F1-200/WEA1- F91-F1-200/WEA1-
2.5" 245 13.31 10.55 3.8 9.02 F91C-F1-250/WEC1- F91-F1-250/WEC1-
3" 350 13.31 10.55 4.57 9.02 F91C-F1-300/WEC1- F91-F1-300/WEC1-
4" 680 14.49 11.42 5.22 10.2 F91C-F1-400/WEE1- F91-F1-400/WEE1-
6" 1020 14.49 11.42 7.07 10.2 F91C-F1-600/WEE1- F91-F1-600/WEE1-
Voltage 1120/60 VAC
24 VAC/24 VDC/220 VAC
-X_
-V_
-X_
-V_
Feedback
Signals
None
Feedback Potentiometer
-_X
-_F
-_X
-_F
*See Series F91 Flanged Firesafe Ball Valve with Lever Handle Model Selection Guide at the top for full valve dimensions.

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