
For Commercial and Industrial Applications
ES-C-FBV-1
Job Name 
Job Location 
Engineer 
Approval 
LEAD FREE
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*
Series C-FBV-1
2-Piece, Full Port, Carbon Steel 
Ball Valves
Sizes: 1⁄4" – 3" (8 – 80mm)
Series C-FBV-1 2-Piece, Full Port, Carbon Steel Ball Valves are 
suitable for a full range of liquids and gases. The C-FBV-1’s full 
port orifice ensures maximum flow capacity, while reinforced 
PTFE seats, PTFE stem packing, thrust washer and body  
seal provide maximum safety and high operating 
pressure/temperature limits.
Features
• Full port design
• Pressure rated at 1000psi (70 bar) WOG non-shock 
and 125psi (8.6 bar) WSP
• Adjustable stem packing
• Bottom loaded, blowout proof stem
• Drilled and tapped mounting pads
• PTFE stem packing, thrust washer and body seal
• Reinforced PTFE seat
• Vinyl insulator on heavy duty 304SS handles
• Low operating torque
• Each valve factory tested
• Standard Latch-Lok handle to lock in open or close position
• Conforms to MSS-SP-110 and API-598
  Contractor 
  Approval 
  Contractor’s P.O. No. 
  Representative 
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C-FBV-1
Pressure – Temperature
Temperature Range: 0°F - 400°F (-18°C – 204°C)
Maximum Working Pressure: 1000psi (70 bar) WOG 
non-shock; 125psi (8.6 bar) WSP
Specifications
A 2-piece full port carbon steel ball valve to be installed as 
indicated on the plans. The valve must have an adjustable 
stem packing, reinforced PTFE seats, PTFE stem packing, 
thrust washer and body seal. Pressure rating no less than 
1000psi (70 bars) WOG non-shock, 125psi (8.6 bars) WSP. 
Valve must conform to MSS-SP-110. Valve shall be 
a Watts Series C-FBV-1.
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts 
reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications 
on Watts products previously or subsequently sold.
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com 
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
*The wetted surface of this product contacted by consumable 
water contains less than one quarter of one percent (0.25%) of 
lead by weight.
A Watts Water Technologies Company

Materials
M
Valve Seat Rating
bars psi
69 1000
A 
K 
B 
C 
D
55 800
41 600
Pressure
28 400
G
E
F
H
I
H
L
J
14 200
0  100  200  300  400  500 °F
(-18)  (38)  (93)  (149)  (204) (280) °C
Temperature
A Handle Nut  Carbon Steel 
B Handle  AISI 304 with Vinyl Insulator 
C Packing Nut  AISI 304 
D Stem Packing  PTFE 
E  Thrust Washer  PTFE 
F  Stem  AISI 304 
G Body  ASTM A216 gr.WCB 
H Seats  Reinforced PTFE 
I  Ball  AISI 304 
J  Adapter  ASTM A216 gr.WCB 
K Lock Washer  Carbon Steel 
L  Body Seals  PTFE 
M Latch-Lok  AISI 304
W1
W1
 SIzE (DN)  CV  TORQUE
 in. mm  Rating  in.– lbs.  N – m
 1⁄4"  8  6  36  4.07 
 3⁄8" 10  12  36  4.07 
 1⁄2" 15  19  43  4.86 
 3⁄4" 20  37  65  7.34 
 1" 25  64  102  11.53 
 11⁄4" 32  103  160  18.08 
 11⁄2" 40  143  188  21.24 
 2" 50  360  340  25.99 
 21⁄2" 65  440  430  48.59 
 3" 80  520  780  88.06
C3
K1
H
C4
C1
C2
J
W
W2
Dimensions – Weights
  SIzE (DN)  DIMENSIONS  WEIGHT
    C  C1  C2  C3  C4  E  H 
    Center to Handle  Stem Top  Bottom of Stem Flat  Mounting Pad to Stem Top  Stem Flat Height  Center to End  Radius to Handle
 in.  mm  in.  mm  in.  mm  in.  mm  in.  mm  in.  mm  in.  mm  in.  mm
 1⁄4  8  13⁄4  44  19⁄16  40  1  25 
 3⁄8  10  13⁄4  44  19⁄16  40  1  25 
 1⁄2  15  2  51  13⁄4  44  13⁄16  30  11⁄8  29 
 3⁄4  20  2  51  2  51  13⁄8  35  11⁄8  29 
 1  25  21⁄2  64  21⁄4  57  111⁄16  43  15⁄16  33 
 11⁄4  32  23⁄4  70  21⁄2  64  17⁄8  48  15⁄16  33 
 11⁄2  40  35⁄16  84  3  76  21⁄8  54  19⁄16  40 
 2  50  35⁄8  92  31⁄4  83  21⁄2  64  15⁄8  41 
 21⁄2  65  41⁄2  114  41⁄2  114  35⁄16  84  21⁄8  54  11⁄4  32  31⁄4  83  91⁄16  230 
 3  80  415⁄16  125  415⁄16  125  33⁄4  95  21⁄8  54  13⁄16  30  31⁄2  89  91⁄16  230
  SIzE (DN)  DIMENSIONS  WEIGHT
    J  K1  L  W  W1  W2 
    Ball Orifice  Stem Diameter  End to End      Across Flats
 in.  mm  in.  mm  in.  mm  in.  mm  in.  mm  in.  mm  in.  mm  lbs.  kg.
 1⁄4  8 
 3⁄8  10 
 1⁄2  15 
 3⁄4  20 
 1  25  1  25 
 11⁄4  32  11⁄4  32 
 11⁄2  40  11⁄2  38 
 2  50  2  51 
 21⁄2  65  21⁄2  64 
 3  80  3  76 
1
⁄4  6 
3
⁄8  10 
1
⁄2  13 
3
⁄4  19 
5
⁄16  8  21⁄16  52  11⁄8  28 
5
⁄16  8  21⁄16  52  11⁄8  28 
3
⁄8  9  23⁄8  60  11⁄8  28 
3
⁄8  9  25⁄8  67  13⁄8  35 
7
⁄16  11  31⁄4  83  13⁄8  35 
7
⁄16  11  35⁄8  92  11⁄2  38 
5
⁄8  15  43⁄8  111  11⁄2  38 
5
⁄8  15  415⁄16  125  11⁄2  38 
3
⁄4  19  67⁄16  164  23⁄16  55  13⁄8  35 
3
⁄4  19  67⁄16  164  23⁄16  55  13⁄8  35 
7
⁄8  22 
7
⁄8  22 
9
⁄16  14  11⁄16  27  315⁄16  100
9
⁄16  14  11⁄16  27  315⁄16  100
9
⁄16  14  13⁄16  30  41⁄2  114
9
⁄16  14  15⁄16  33  41⁄2  114
5
⁄8  16  15⁄8  41  415⁄16  125
5
⁄8  16  13⁄4  44  415⁄16  125
7
⁄8  22  21⁄4  57  65⁄16  160
3
⁄4  19  21⁄2  64  65⁄16  160
1
⁄2  13 
1
⁄2  13 
1
⁄2  13 
7
⁄8  22 
7
⁄8  22 
15
⁄16  24 
15
⁄16  24 
15
⁄16  24 
E
L
3
⁄16  5  .68  .31
3
⁄16  5  .68  .31
1
⁄4  7  .90  .41
1
⁄4  7  1.39  .63
5
⁄16  8  1.98  .90
5
⁄16  8  3.21  1.48
3
⁄8  10  4.50  2.04
3
⁄8  10  7.17  3.25
1
⁄2  13  15.4  7.0
1
⁄2  13  21.17  9.6
C
ES-C-FBV-1  0935    © 2009 Watts