FULL-SFER

511L

Made in Italy

SAFETY EXHAUST

Exhaust brass ball valve, full port with bleed hole, FNPT threaded, with latch lock handle.
• Pressure rating 200 psi.
• Temperature range -4°F to +350°F.
• ANSI B1.20.1 connections.
• Blow-out proof stem, chrome plated brass ball.
• RPTFE seats, seals and thrust washer.
• Adjustable stem packing.
• 100% electronically tested in the open position 80 psi.
• Valve to be used in fully open or fully closed position.
• With reference to OSHA requirement.
511L: LOCK HANDLE - size 1/4” to 2”.

Technical specifications

The Buna O-ring is fitted to the stem of the valve as the best possible protection against potential gas leakage under extreme duty, or low pressure applications. A secondary PTFE stem seal will also assure that the valve is suitable for use up to 366°F.

Position Part name Material N.° pieces
1 BODY BRASS C37700 1
2 END CONNECTION BRASS C37700 1
3 BALL BRASS C38500 1
4 STEM BRASS C38500 1
5 HANDLE FE DD 11 UNI EN 10111 1
6 SEAT BALL RPTFE 2
7 THRUST WASHER/STEM SEAL PTFE 2
8 PACKING GLAND BRASS C38500 1
9 O-RING NBR 1
10 O-RING FKM 1
11 NUT STEEL CL 04 2
12 PACKING GLAND BRASS C38500 1
13 LOCKING DEVICE FE DD11 UNI EN 10111 1
SIZE ØP ØF A B h ØH I L L1 L2 R CH Cv psi Weight ​​​​​​​(Lbs)
1/4" 0.39 10-32 UNF 2.42 0.61 1.81 0.91 0.39 2.03 1.08 0.94 3.78 0.79 6.24 200 0.4
3/8" 0.39 10-32 UNF 2.42 0.61 1.81 0.91 0.41 2.03 1.08 0.94 3.78 0.79 6.94 200 0.36
1/2" 0.55 10-32 UNF 2.74 0.79 1.96 1.3 0.54 2.44 1.22 1.22 3.78 0.98 18.15 200 0.54
3/4" 0.75 10-32 UNF 3.35 0.96 2.38 1.54 0.55 2.72 1.36 1.36 4.84 1.22 32.37 200 0.89
1" 0.94 10-32 UNF 3.71 1.14 2.57 1.93 0.66 3.07 1.54 1.54 4.84 1.5 47.97 200 1.28
1 1/4" 0.94 0.18 3.66 1.02 2.64 2.05 0.68 3.31 1.67 1.63 4.84 1.89 41.27 200 1.65
1 1/2" 1.25 0.24 4.27 1.12 3.15 2.32 0.68 3.54 1.77 1.77 5.94 2.13 81.5 200 1.92
2" 1.56 0.28 4.76 1.36 3.4 2.87 0.7 4.07 2.03 2.05 5.94 2.64 124.28 200 2.69
Certifications
TSSA
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