253N

Made in Italy
Brass ball valve, FNPT threaded, full port with ISO 5211 pad for actuator.
• Pressure rating 600 WOG-150 WSP.
• Temperature range -4°F to +366°F.
• ANSI B1.20.1 connections.
• Blow-out proof stem, chrome plated brass ball and and double O-ring stem packing.
• P.T.F.E seats with O-ring backing for low operating torque.
• 100% electronically tested in the open and closed position at 80 psi.
• Not to be used for drinking water.
• Valve to be used in fully open or fully closed position. 250N: WITH BRASS BALL AND STEM - size 1/4” to 4”. 253N: WITH STAINLESS STEEL BALL AND STEM - size 1/4” to 2”.
Technical specifications
Drawing
Materials
POSITION PART NAME MATERIAL N.° PIECES
1 BODY BRASS C37700 1
2 END CONNECTION BRASS C37700 1
3 BALL BRASS C37700 1
4 BALL SEAT P.T.F.E 2
5 THRUST WASHER P.T.F.E 1
6 STEM SEAL P.T.F.E 1
7 O-RING FKM (VITON) 2
8 O-RING EPDM 1
9 O-RING FKM (VITON) 1
10 STEM BRASS C38500 1
Table
SIZE Q A ØC ISO 5211 F B ØD ØH I L CH M ØP CV PSI WEIGHT (LBS) BREAK TORQUE 250N (IN/LBS) BREAK TORQUE 253N (IN/LBS)
1 1/2” 1.97 2.52 1.97 0.12 0.43 0.28 2.87 0.68 4.13 2.17 0.31 1.5 265.9 600 3.7 79.66 177.02
1 1/4” 1.42 1.93 1.42 0.12 0.35 0.24 2.3 0.68 3.66 1.97 0.24 1.18 102.89 600 2.23 53.1 141.61
1/2” 1.42 1.28 1.42 0.08 0.35 0.24 1.32 0.54 2.64 1.06 0.22 0.55 18.84 600 0.68 26.55 26.55
1/4” 1.42 1.28 1.42 0.08 0.35 0.24 1.32 0.39 2.64 1.06 0.22 0.39 6.24 600 0.74 26.55 26.55
1” 1.42 1.79 1.42 0.12 0.35 0.24 1.93 0.66 3.35 1.61 0.24 0.95 49.71 600 1.59 44.25 70.81
2 1/2” 2.68 3.48 2.76 0.12 0.55 0.35 4.51 0.93 6.1 3.54 0.35 2.52 624.28 600 9.57 238.97 -
2” 1.97 2.88 1.97 0.12 0.43 0.28 3.6 0.7 4.8 2.76 0.31 1.98 306.36 600 6.15 88.51 300.93
3/4” 1.42 1.36 1.42 0.12 0.35 0.24 1.57 0.55 2.99 1.26 0.2 0.75 34.1 600 0.89 35.4 53.1
3/8” 1.42 1.28 1.42 0.08 0.35 0.24 1.32 0.41 2.64 1.06 0.22 0.39 6.94 600 0.78 26.55 26.55
3” 2.68 3.86 2.76 0.12 0.55 0.35 5.35 1.02 6.89 4.13 0.35 2.99 1009.25 600 13.39 256.67 -
4” 2.68 4.59 2.76 0.12 0.67 0.35 6.54 1.09 8.03 5.12 0.33 3.74 1606.94 600 21.14 486.79 -
Notes
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
Certifications
Technical Standards and Safety Authority
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