Conval, Inc.
CONVAL INC.
96 Phoenix Avenue,
Enfield, CT 06082-4408 USA
Phone: 860.749.0761
Fax: 860.763.3557
Email: sales@conval.com
Website: www.conval.com
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Pressure Class
Full ASME rated through 3045. Higher intermediate and limited class ratings are available. Consult factory.
Throttling Control Valves
Unit of Measure
1 2 

Web Ref. #

Item Description

Nominal/Intermediate ASME Pressure Class Ratings

Pipe Size

A

1280 N/A 1/2 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 5E Size Throttling Control Valve N/A 900 N/A 1/2 in15 mm N/A 2 5/16 in59 mm
1281 N/A 3/4 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 5E Size Throttling Control Valve N/A 900 N/A 3/4 in20 mm N/A 2 5/16 in59 mm
1282 N/A 1 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 5E Size Throttling Control Valve N/A 900 N/A 1 in25 mm N/A 2 5/16 in59 mm
1283 N/A 1 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 7G Size Throttling Control Valve N/A 900 N/A 1 in25 mm N/A 2 3/4 in70 mm
1284 N/A 1 1/4 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 7G Size Throttling Control Valve N/A 900 N/A 1 1/4 in32 mm N/A 2 3/4 in70 mm
1285 N/A 1 1/2 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 7G Size Throttling Control Valve N/A 900 N/A 1 1/2 in40 mm N/A 2 3/4 in70 mm
1286 N/A 2 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 7G Size Throttling Control Valve N/A 900 N/A 2 in50 mm N/A 2 3/4 in70 mm
1287 N/A 2 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 8H Size Throttling Control Valve N/A 900 N/A 2 in50 mm N/A 3 in76 mm
1288 N/A 2 1/2 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 8H Size Throttling Control Valve N/A 900 N/A 2 1/2 in65 mm N/A 3 in76 mm
1289 N/A 3 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 10K Size Throttling Control Valve N/A 900 N/A 3 in80 mm N/A 5 in127 mm
1290 N/A 4 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 10K Size Throttling Control Valve N/A 900 N/A 4 in100 mm N/A 5 in127 mm
1291 N/A 1/2 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 5E Size Throttling Control Valve N/A 1500 N/A 1/2 in15 mm N/A 2 5/16 in59 mm
1292 N/A 3/4 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 5E Size Throttling Control Valve N/A 1500 N/A 3/4 in20 mm N/A 2 5/16 in59 mm
1293 N/A 1 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 5E Size Throttling Control Valve N/A 1500 N/A 1 in25 mm N/A 2 5/16 in59 mm
1294 N/A 1 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 7G Size Throttling Control Valve N/A 1500 N/A 1 in25 mm N/A 2 3/4 in70 mm
1295 N/A 1 1/4 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 7G Size Throttling Control Valve N/A 1500 N/A 1 1/4 in32 mm N/A 2 3/4 in70 mm
1296 N/A 1 1/2 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 7G Size Throttling Control Valve N/A 1500 N/A 1 1/2 in40 mm N/A 2 3/4 in70 mm
1297 N/A 1 1/4 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 8H Size Throttling Control Valve N/A 1500 N/A 1 1/4 in32 mm N/A 3 in76 mm
1298 N/A 1 1/2 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 8H Size Throttling Control Valve N/A 1500 N/A 1 1/2 in40 mm N/A 3 in76 mm
1299 N/A 2 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 8H Size Throttling Control Valve N/A 1500 N/A 2 in50 mm N/A 3 in76 mm
1300 N/A 2 1/2 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 10K Size Throttling Control Valve N/A 1500 N/A 2 1/2 in65 mm N/A 5 in127 mm
1301 N/A 3 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 10K Size Throttling Control Valve N/A 1500 N/A 3 in80 mm N/A 5 in127 mm
1302 N/A 4 Inch (in) Pipe Size, 1500 Nominal Pressure Class, and 10K Size Throttling Control Valve N/A 1500 N/A 4 in100 mm N/A 5 in127 mm
1303 N/A 1/2 Inch (in) Pipe Size, 2500 Nominal Pressure Class, and 5E Size Throttling Control Valve N/A 2500 N/A 1/2 in15 mm N/A 2 5/16 in59 mm
1304 N/A 3/4 Inch (in) Pipe Size, 2500 Nominal Pressure Class, and 5E Size Throttling Control Valve N/A 2500 N/A 3/4 in20 mm N/A 2 5/16 in59 mm
Unit of Measure
1 2