Figure 340N, 340NF, and 350N
THERMOPLASTIC VALVES
FULL PORT TRUE-UNION BALL VALVE
Figure 340N - PVC with NPT
and SW Ends*
Figure 340NF - PVC with
150# Flanges
Figure 350N - CPVC with
NPT and SW Ends*
SW only on sizes over 2”. NPT is available
upon request.
Valve Features
• Full Port Design
• Pressure Rating: 150 PSI
• Temperature Range:
◦ PVC: 41°F to 122°F (5°C to 50°C)
◦ CPVC: 32°F to 194°F (0°C to 90°C)
• Certied to NSF 61 Annex G
• EPDM or FPM (Viton®) Seals
• O-ring Energized Seats (up to 2”)
• Bidirectional Flow *
• Adjustable Seat Tightness
• Easy Disassembly with Handle
• Easy Replacement Reduces Down Time
• Can Be Modied for Actuator Installation
* Note that the valve has a preferred ow direction
indicated by the embossed arrow on the body. The
preferred ow direction orients the carrier upstream
so that downstream piping can be removed with valve
closed.
340NF
340N
Standards
Figure 340N Connections:
• Threaded: ASTM D-2464, ref. ANSI
B1.20.1
• Socket: ASTM D-2467
Figure 340NF Connections:
• Flanged: ANSI B16.5, Class 150
Figure 350N Connections:
• Threaded: ASTM F437
• Socket: ASTM F439
Materials:
• PVC: Cell Classication 12454 per
ASTM D1784 (formerly Type I, Grade 1)
• CPVC: Cell Classication 23447
per ASTM D1784 (formerly Type IV,
Grade 1)
350N
Options
FNW offers many options and modications for valves. These include, but are not
limited to: Actuation including chain wheels, worm gear operators, pneumatic and
electric operators, control accessories, stem extensions, and custom mounting
hardware. Contact FNW with your specic application needs.
www.fnw.com
NOTE: 2-1/2” to 4” valves have
a symmetrical single-piece ABS
tee-handle
Dimensions (inches) Figure 340N and 350N
Size ØD E L L1 Ød1 Ød2 Ød3 T H1 H2 M2
1/2 0.512 3.03 4.49 2.36 0.84 0.85 1.82 0.87 1.81 0.83 1.18
3/4 0.709 3.74 5.31 2.87 1.05 1.06 2.19 1.00 2.24 1.02 1.30
1 0.906 4.33 5.87 3.11 1.31 1.32 2.62 1.13 2.76 1.30 1.57
1-1/4 1.181 5.00 6.69 3.46 1.66 1.67 3.23 1.25 2.95 1.54 1.85
1-1/2 1.496 5.63 6.93 3.74 1.89 1.91 3.88 1.38 3.70 1.61 2.05
2 1.890 6.46 8.15 4.49 2.37 2.39 4.72 1.50 4.45 2.09 2.76
2-1/2 2.402 7.09 10.83 5.35 2.87 2.89 5.51 1.75 4.57 * *
3 2.717 8.82 11.97 6.22 3.49 3.52 6.30 1.88 5.12 * *
4 3.898 10.94 13.07 6.93 4.49 4.52 8.86 2.25 7.01 * *
* 2-1/2” to 4” valves do not have bosses for mounting pad. Saddle mounts, sold separately, are available for actuation purposes.
2
Phone: 503-287-8383 ~ Fax: 503-281-9677 ~ www.FNW.com
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