Condensate Return/Boiler Feedwater Systems

Condensate Return/Boiler Feedwater System

Manage Condensate for Efficient Operation

Precision Boilers’ Model CF boiler feed systems are designed to receive condensate, accommodate condensate surges, and, when condensate return is insufficient, automatically add make-up to maintain sufficient boiler or deaerator water supply.  Standard receiver tanks are vented (non-code) and are constructed of hiqh quality 1/4″ thick carbon steel.

Make-up valves are either internal or external float-operated to maintain a minimum water level.  Systems can be supplied with single or multiple pumps (with starters and controls), plus optional items such as alternators, alarm systems, auto standby provision, sparge-tube preheat system, makeup water spray valve, special tank materials/linings, etc.

Condensate Return/Boiler Feedwater System
Dimensional Data

Components

Model Numbers, Ratings and Dimensions

Model Number* Tank Capacity (gal) Max Boiler Rating** Overall Dimensions (IN.) Standard Connections Approx. Ship Wt. (lbs)****
HP KW L W H*** Return & Vent (in)
Overflow(in) Make-Up & Drain (in)
CF-16-020 20 15 150 24 16 48 1-1/2 1-1/2 1/2″ 250
CF-16-030 30 23 230 36 16 48 1-1/2 1-1/2 1/2 275
CF-20-040 40 30 300 30 20 54 1-1/2 1-1/2 1/2 325
CF-20-050 50 38 380 38 20 54 1-1/2 1-1/2 1/2 350
CF-20-060 60 45 450 45 20 54 1-1/2 1-1/2 1/2 375
CF-24-075 75 56 560 40 24 60 2 2 3/4 450
CF-24-100 100 75 750 52 24 60 2 2 3/4 475
CF-24-125 125 95 940 66 24 60 3 2 3/4 500
CF-30-145 145 110 1090 48 30 66 3 3 3/4 600
CF-30-180 180 135 1350 60 30 66 3 3 3/4 650
CF-30-215 215 160 1610 72 30 66 3 3 3/4 700
CF-36-260 260 200 1950 60 36 72 4 3 1 850
CF-36-315 315 240 2360 72 36 72 4 3 1 900
CF-36-365 365 275 <
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84 36 72 4 3 1 950
CF-42-430 430 325 3230 72 42 78 4 3 1-1/4 1150
CF-42-500 500 375 3750 84 42 78 4 3 1-1/4 1225
CF-48-650 650 490 4880 84 48 84 5F 4 1-1/2 1400
CF-48-750 750 560 5630 96 48 84 5F 4 1-1/2 1500
CF-48-850 850 640 6380 108 48 84 5F 4 1-1/2 1600
CF-48-950 950 720 7130 120 48 84 5F 4 1-1/2 1700

* Suffix Model Number with S, D, or T to signify Simplex (1 pump), Duplex (2 pump) or Triplex (3 pump).  **Based on 10 minute storage and one pump sized @ twice the steaming rate.  ***Height may vary due to installation limitations and/or pump NPSH requirements.  ****Add pump weight(s) to obtain total shipping weight.

 

Condensate Return/Boiler Feedwater System

Specification

Note:  items shown in parenthesis () are options.

1. General

Furnish and install as shown on the plans a Condensate Return/Boiler Feedwater System, fabricate per these specifications, including all accessories and construction features as described herein.

2. Tank

Tank shall be ______ gallon capacity (non-code) (code) (ASME Section VIII) of nominal dimensions ______diameter x _____long with flat heads (non-code) or dished heads (code).  Connections shall included anti-vortex pump suction, overflow, return, vent, drain and all necessary connections for sigh gauge, makeup valve, and thermometer.

3. Pumps

Quantity ______ boiler feed pump(s) will be supplied.  Pump(s) shall be (centrifugal) (turbine) type with mechanical seals.  Pump(s) will have a capacity of ______ GPM@_____PSIG for 210 °F water.  Pump(s) shall be driven by ______HP, ______VOLT, _____PHASE, _____HERTZ, _____RPM (ODP) (TEFC) Motor(s).

4. Connections

Pump(s) will be piped to tank suction with full port ball valve(s) and strainer(s).  Suction piping shall also include flexible coupling(s).  Control Panel to be complete with hand-off auto switch(es), pilot light(s) and magnetic starter(s) in a NEMA number ______enclosure.  Panel shall be mounted on steel unit frame and wired to motor(s) using liquid-tight conduit system (Optional UL Panel Available).

5. Makeup Controls

Make-u- control value shall be (internal) (external) and shall have a capacity equal to the total evaporation rate of the boiler(s) at a minimum water pressure of 40 PSIG.

6.  Trim

System trim shall include sight gauge with bronze shut off cocks, drain, glass, and glass protector rods, bi-metal thermometer, drain valve, and optional items as listed.

7.  Manufacturer

System shall be Precision Boilers Model CF-_______-_______ or approved equivalent.

 

Specifications subject to change without notice.

 

Condensate Return/Boiler Feedwater Systems (pdf)