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Boiler Feed Pumps

Boiler Feed Pumps

For Boiler Feed units, the operation of the pump is controlled by the water level control device which is part of the boiler control package. When the boiler requires water, the pump switches on pumping water from the receiver into the boiler. On Duplex boiler feed units, an Electrical Alternator is used to activate one pump at a time in alternating fashion. The receiver tank also contains an internal make-up water valve actuated by a stainless steel float. This is used if the amount of condensate being returned to the receiver tank is inadequate.

How Boiler Feed Pumps Work

For Boiler Feed applications, the operation of the pump is controlled by the water level control system on the boiler. When the boiler requires water, the pump switches on pumping water from the receiver into the boiler. The receiver tank also contains an internal make-up water valve actuated by a stainless steel float. If the amount of condensate being returned to the receiver tank is inadequate to supply the boiler, additional make-up water is added to the receiver tank. This condition may occur when more steam is being produced than condensate being returned; common at system start-up. An overflow pipe is used to dump excess condensate to drain during times when less boiler feed water is required than the amount of condensate being returned. Larger boiler feed tanks may be advantageous to keep systems in balance.

W4100 - Carbon Steel Receivers

The Boiler Feed Pumps (W4100 series) are equipped with Cast Iron bodies and Bronze Impellers. The pump receiver tank is made of Carbon Steel and available in Simplex or Duplex configurations.

Model	Discharge Pressure (psig)	Motor (HP)	Flow Rate (GPM)	Boiler (HP)	Receiver Capacity (Gallons) (lb/hr)	Weight (lbs)	System
W4132JF	30	1/2	3	15	30	260	Simplex System
W4152JF	50	2	3	15	30	275	Simplex System
W4124GF	20	1/3	6	30	30	200	Simplex System
W4134JF	30	1/2	6	30	30	260	Simplex System
W4154JF	50	2	6	30	30	275	Simplex System
W4126GF	20	1/3	9	45	45	240	Simplex System
W4136JDF	30	1/2	9	45	45	340	Duplex System
W4134JF	30	1/2	6	30	30	260	Simplex System
W4146JF	40	1	9	45	45	305	Simplex System
W4126GDF	20	1/3	9	45	45	280	Duplex System
W4128GF	20	1/3	12	60	60	275	Simplex System
W4138JF	30	1/2	12	60	60	335	Simplex System
W4146JDF	40	1	9	45	45	350	Duplex System
W4158JF	50	2	12	60	60	350	Simplex System
W4146JDF	40	1	9	45	45	350	Duplex System
W4122GDF	20	1/3	3	15	30	240	Duplex System
W4134JF	30	1/2	6	30	30	260	Simplex System
W4152JDF	50	2	3	15	30	330	Duplex System
W4124GDF	20	1/3	6	30	30	240	Duplex System
W4126GDF	20	1/3	9	45	45	280	Duplex System
W4144JDF	40	1	6	30	30	310	Duplex System
W4154JDF	50	2	6	30	30	330	Duplex System
W4136JDF	30	1/2	9	45	45	340	Duplex System
W4146JDF	40	1	9	45	45	350	Duplex System
W4128GDF	20	1/3	12	60	60	335	Duplex System
W4138JDF	30	1/2	12	60	60	395	Duplex System
W4142JDF	50	2	3		15	195	Simplex System
W4136JF	30	1/2	9	45	45	300	Simplex System
W4132JF	30	1/2	3	15	30	260	Simplex System
W4148JF	20	1 1/2	60		60	340	Simplex System
W4154JDF	50	2	6	30	30	330	Duplex System

W4200 - Cast Iron Receivers

The Boiler Feed Pumps (W4200 series) are equipped with Cast Iron bodies and Bronze Impellers. The pump receiver tank is made of Cast Iron and available in Simplex or Duplex configurations.

Model	Discharge Pressure (psig)	Motor (HP)	Flow Rate (GPM)	Boiler (HP)	Receiver Capacity (Gallons) (lb/hr)	Weight (lbs)	System
W4234JF	30	1/2	6	30	36	505	Simplex System
W4254JF	50	2	6	30	36	520	Simplex System
W4236JF	30	1/2	9	45	50	615	Simplex System
W4246JF	40	1	9	45	50	620	Simplex System
W4256JF	50	2	9	45	50	625	Simplex System
W4228GF	20	1/3	12	60	50	575	Simplex System
W4248JF	40	1	12	60	50	620	Simplex System
W4248JDF	40	1	12	60	50	700	Duplex System
W4222GDF	20	1/3	3	15	36	500	Duplex System
W4242JDF	40	1	3	15	36	590	Duplex System
W4252JDF	50	2	3	15	36	600	Duplex System
W4224GDF	20	1/3	6	30	36	500	Duplex System
W4236JDF	30	1/2	9	45	50	690	Duplex System
W4234JDF	30	1/2	6	30	36	580	Duplex System
W4236JF	30	1/2	9	45	50	615	Simplex System
W4254JDF	50	2	6	30	36	600	Duplex System
W4244JDF	30	1/2	6	45	30	260	Simplex System
W4236JDF	30	1/2	9	45	50	690	Duplex System
W4246JDF	40	1	9	45	50	700	Duplex System
W4238JDF	30	1/2	12	60	50	690	Duplex System
W4236JDF	30	1/2	9	45	50	690	Duplex System
W4248JDF	40	1	12	60	50	700	Duplex System
W4258JDF	50	2	12	60	50	710	Duplex System
W4252JF	50	2	3	15	36	520	Simplex System
W4248JF	40	1	12	60	50	620	Simplex System
W4234JF	30	1/2	6	30	36	505	Simplex System
W4234JF	30	1/2	6	30	36	505	Simplex System
W4234JF	30	1/2	6	30	36	505	Simplex System
W4234JF	30	1/2	6	30	36	505	Simplex System
W4244JDF	40	1	6	45	36	590	Duplex System
W4236JDF	30	1/2	9	45	50	690	Duplex System
W4244JF	50	2	6		15	275	Duplex System
W4236JDF	30	1/2	9	45	50	690	Duplex System
W4244JF	50	2	6		15	275	Duplex System
W4234JF	30	1/2	6	30	36	505	Simplex System

W4300 - Stainless Steel Receivers

The Boiler Feed Pumps (W4300 series) are equipped with Cast Iron bodies and Bronze Impellers. The pump receiver tank is made of Stainless Steel and available in Simplex or Duplex configurations.

Model	Discharge Pressure (psig)	Motor (HP)	Flow Rate (GPM)	Boiler (HP)	Receiver Capacity (Gallons) (lb/hr)	Weight (lbs)	System
W4322GF	20	1/3	3	15	30	200	Simplex System
W4326GF
W4332JF	30	1/2	3	15	30	260	Simplex System
W4346JF	40	1	9	45	45	305	Simplex System
W4344JF	40	1	6	30	30	265	Simplex System
W4352JF	50	2	3	15	30	275	Simplex System
W4326GF
W4344JF	40	1	6	30	30	265	Simplex System
W4326GF
W4346JF	40	1	9	45	45	305	Simplex System
W4346JF	40	1	9	45	45	305	Simplex System
W4356JF	50	2	9	45	45	315	Simplex System
W4328GF	20	1/3	12	60	60	275	Simplex System
W4338JF	30	1/2	12	60	60	335	Simplex System
W4342JDF	40	1	3	15	30	310	Duplex System
W4352JDF	50	2	3	15	30	330	Duplex System
W4344JDF	40	1	6	30	30	310	Duplex System
W4354JDF	50	2	6	30	30	330	Duplex System
W4356JDF	50	2	9	45	45	370	Duplex System
W4348JDF	40	1	12	60	60	405	Duplex System
W4356JDF	50	2	9	45	45	370	Duplex System
W4352JDF	50	2	3	15	30	330	Duplex System