McDonnell & Miller 126400 # 21 Make Up Water Feeder
- Model # 21
- 3/4" Connection Size
- Maximum Water Pressure 100 PSI
- Maximum Water Temperature 120 F
- Bolt Size 7/16"
- Maximum Vessel Pressure 35 PSI
- Mount 5-3/4" Bolt Circle
Series 21 Make-Up Water Feeder
• For boiler receiver tanks
• Direct mounting eliminates need for equalizing
connections
• Proportional feed action
• Mounting Flange – six 7⁄16" (11.1mm) bolt holes on a 5-3/4" (146mm) bolt circle
• Soft seat provides positive seal
• Maximum water supply pressure 150 psi (10.5 kg/cm2)
• Maximum inlet water temperature 120˚F (49˚C)
• Maximum vessel pressure 35 psi (2.5 kg/cm2)
McDonnell & Miller model number 21 is a float-operated make-up water feeder for boiler receiver tanks with a tapped 3/4" FIP supply. Direct mounting make-up water feeders into receiver tanks eliminates the need for equalizing connections. This water feeder features proportional feed action, a maximum water supply pressure of 150 psi and an operating pressure of 35 psi. The mounting flange is 5-3/4" diameter with six 7/16" bolt holes.
