Conbraco 20-300, 20-350

Available with 1/2" (ASTM B-16 brass bar stock) or 3/4" (B-584 cast bronze) NPT male pipe connections. Four guard rods and EPDM gauge glass gaskets
standard. Other glass gaskets available.

• Standard 1/4" needle drain valve in lower arm
• Pet cock or Apollo® ball valve drain on request
• Ball checks standard on 20-350. No Ball checks on the 20-300 Series. Polished finish available upon request
• CRN Regsistered
• 5/8x12" HP Clear glass is rated at 410 PSIG at 150°F and for steam boiler service at 305 PSIG at 425°F
• 5/8x16" HP Clear glass is rated at 375 PSIG at 150°F and for steam boiler service at 285 PSIG at 425°F