Figure 310A
STAINLESS STEEL BALL VALVES
3 PC FULL PORT 1000 CWP
Features:
• 1000 PSI CWP Non-Shock
• 150 PSI WSP
• Full Port
• Blow-out Proof Stem
• Adjustable Packing
• Investment Cast Body
• End Connections
• Threaded
• Socket Weld
• Stainless Steel Handle
• Locking Lever
• RTFE Seats
• Vented Ball
• Manufactured Silicone Free
• Replacement Locking Handle Kits
Available
• Optional Stem Extension Kit (Uses
Existing Valve Handle)(1/4”~2”)
• Optional Oval Handle Kit (1/4”~2”)
Fig. 310A
Fig. 310ASW
Standards:
• Design: ASME B16.34,
MSS SP-110
NACE MRO103 and MRO175 Approved
• End Connections:
• NPT - ASME B1.20.1
• SW - ASME B16.11
• Seat/Shell Test: MSS SP-110
Figure Number Matrix
FNW 310A Ends Size
END CODE
Blank = Threaded NPT
SW = Socket Weld
Note: For 4” valves, use FNW Figure number 310AM
SIZE CODE
1/4 = B
3/8 = C
1/2 = D
3/4 = F
1 = G
1-1/4 = H
1-1/2 = J
2 = K
2-1/2 = L
3 = M
Kit Codes (Order Separately)
FNW 310A Kit Size
KIT TYPE
Locking Handle = LHK
Stem Extension = SEK
Oval Handle = OH
SIZE CODE
1/4”~1/2” = BD
3/4” = F
1”~1-1/4” = GH
1-1/2”~2” = JK
2-1/2”~3” = LM
Replacement Locking
Handle Kits (1/4”~3”)
1000
800
600
400
Pressure (PSIG)
200
-20 0 100 200 300 400
150 WSP
Saturated Steam Curve
Temperature (°F)
Stem Extension
Kits (1/4”~2”)
Repair Kits (Order Separately)
FNW 310ARK Size
1/4”~3/8” = BC
1/2” = D
3/4” = F
1” = G
1-1/4” = H
Accessories
Oval Handle Kits (1/4”~2”)
Cv, Torque & Weight
Size Cv
1/4 15 60 1.01 0.93
3/8 15 60 1.01 0.98
1/2 18 66 1.12 1.10
3/4 36 80 1.81 1.76
1-1/4 93 252 4.28 4.19
1-1/2 165 344 5.73 5.60
2-1/2 450 631 18.25 18.08
1-1/2” = J
2” = K
2-1/2” = L
3” = M
Torque
(in-lbs)
1 48 146 2.69 2.60
2 207 503 9.04 8.95
3 780 1337 25.57 25.88
Wt (lbs)
NPT SW
www.fnw.com
STAINLESS STEEL BALL VALVES
3 PC FULL PORT 1000 CWP
Standard Materials
Ref.
No.
10 Handle 304SS Stainless 1
11 Handle Sleeve Vinyl Plastic 1
12 Stem Nut ASTM A194-8 Stainless 1
13 Stem Washer 304SS Stainless 1
14 Gland Nut 304SS Stainless 1
15 V-Ring Packing PTFE 1 Set
16
17
Description Material Qty
1 Body
NPT
End
2
Cap
SW
3 Ball 316SS Stainless 1
4 Seat RTFE 2
5 Stem 316SS Stainless 1
6 Body Gasket PTFE 2
1/4”~2-1/2”
Body
7
Bolt
3” 6
8 Thrust Washer PTFE 1
9 Locking Device 304SS Stainless 1
1/4”~2”
Bolt
2-1/2” 8
Washer
3” 12
1/4”~2”
Bolt
2-1/2” 8
Nut
3” 12
Figure 310A
ASTM A351 Gr. CF8M
Stainless
ASTM A351 Gr. CF8M
Stainless
ASTM A351 Gr. CF3M
Stainless
ASTM A193-B8 Stainless
SUS304 Stainless
ASTM A194-8 Stainless
1
2
4
4
4
Dimensions (inches)
SIZE Ød L Lm H1 H2 H W S K (UNC) Ls L2 M (UNC) B L1 ØB1
1/4 0.42 2.57 1.14 1.20 0.43 2.26 3.94 0.197 5/16-18 1.98 1.46 1/4-20 0.93 0.39 0.56
3/8 0.47 2.57 1.14 1.20 0.43 2.26 3.94 0.197 5/16-18 1.98 1.46 1/4-20 0.93 0.39 0.69
1/2 0.59 2.74 1.21 1.11 0.38 2.26 3.94 0.197 5/16-18 2.13 1.63 1/4-20 1.10 0.39 0.86
3/4 0.79 3.15 1.52 1.30 0.49 2.50 5.08 0.256 3/8-16 2.44 1.82 5/16-18 1.36 0.51 1.07
1 0.98 3.54 1.76 1.61 0.62 2.97 6.14 0.314 7/16-14 2.79 2.10 5/16-18 1.65 0.51 1.34
1-1/4 1.26 4.33 2.13 1.61 0.55 3.19 6.14 0.314 7/16-14 3.37 2.68 3/8-16 2.05 0.63 1.69
1-1/2 1.50 4.72 2.42 2.12 0.89 3.70 7.19 0.394 5/8-11 3.81 3.05 3/8-16 2.30 0.63 1.93
2 1.97 5.51 2.95 2.19 0.89 4.11 7.19 0.394 5/8-11 4.36 3.59 3/8-16 2.81 0.67 2.42
2-1/2 2.50 7.28 3.62 2.69 0.93 5.16 9.92 0.472 3/4-10 5.91 4.36 9/16-12 3.41 0.67 2.91
3 2.99 8.07 2.93 2.75 0.93 5.47 9.92 0.472 3/4-10 6.50 4.93 9/16-12 3.98 0.67 3.54
DOC: FNW310A11 Ver. 07/2018
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