141 800.292.2737 | [email protected] | aymcdonald.com | aymcdonaldu.com | [email protected] A.Y. McDonald American Meter Regulators Ball Style 11/25 Regulators Features & Benefits Main Features • Wide range of valve body connection sizes: 3/4” x 3/4”, 3/4” x 1”, 3/4” x 1 1/4”, 1” x 1”, 1” x 1 1/4” and 1 1/4” x 1 1/4” NPT or BSP-TR • Offset valve body: 3/4” x 3/4”, 3/4” x 1” and 1” x 1” NPT or BSP-TR. • Maximum flow rate is 2500 SCFH (70.8 m3/h). • Temperature range: -20°F to +150°F (-30°C to 65°C). • Threaded connections NPT to ANSI/ASME B1.20.1 or BS EN 10226 (ISO 7). • Variety of interchangeable orifices and spring ranges • 90 Degree (Right Angle), 180 Degree (Straight-Flow), or Offset Valve Body. Model Number Description 1803B2 Basic regulator, non-relieving with 3/4" or 1" NPT vent. 1803B2-HC Basic regulator, non-relieving with 3/4" or 1" NPT vent. 1813B2 Basic regulator with full-capacity internal relief with 3/4" or 1" NPT vent. 1813B2-HC Basic regulator with full-capacity internal relief with 3/4" or 1" NPT vent. 1823B2 Basic regulator, non-relieving with under-pressure shut-off and 3/4" or 1" NPT vent. 1833B2 Basic regulator with full-capacity internal relief and underpressure shut-off and 3/4" or 1" NPT vent. 1843B2 Basic regulator with full-capacity internal relief and overpressure shut-off and 3/4" or 1" NPT vent. 1843B2-HC Basic regulator with full-capacity internal relief and overpressure shut-off and 3/4" or 1" NPT vent. 1843B2-L Basic regulator with limited relief and overpressure shut-off and 3/4" or 1" NPT vent. 1853B2 Basic regulator with full-capacity internal relief and overpressure, underpressure shut-off and 3/4" or 1" NPT vent. 1883B2 Basic regulator, non-relieving with overpressure shut-off and 3/4" or 1" NPT vent. 1883B2-HC Basic regulator, non-relieving with overpressure shut-off and 3/4" or 1" NPT vent. 1893B2 Basic regulator, non-relieving with overpressure, underpressure shut-off and 3/4" or 1" NPT vent. 1853B2 w/USSA Basic regulator with full-capacity internal relief and overpressure, underpressure shut-off and 3/4" or 1" NPT vent. 1853B2-HC w/USSA Basic regulator with full-capacity internal relief and overpressure, underpressure shut-off and 3/4" or 1" NPT vent. 1893B2 w/USSA Basic regulator, non-relieving with overpressure, underpressure shut-off and 3/4" or 1" NPT vent. 1893B2-HC w/USSA Basic regulator, non-relieving with overpressure, underpressure shut-off and 3/4" or 1" NPT vent. Applications 1800B2 Series Residential Regulator Features, Benefits, & Applications Orifice Size Standard Part No. Part No. with OPSO 9/16" 72494P026 72751P019 1/2" 72494P025 72751P016 3/8" 72494P023 72751P014 5/16" 72494P022 72751P013 UPSO 71422G004 7122G004 Orifice Size Standard Part No. Part No. with OPSO 1/4" 72494P021 72751P012 3/16" 72494P020 72751P011 1/8" x 3/16" 72494P030 72751P020 1/8" 72494P019 N/A Options • Over pressure slam shut. • Under pressure slam shut. • Elevation compensating orifice. • 1/8" NPT taps are available on most valve heads. • Vent elbow. • Splashguard.