BENEFITS

In Line Maintenance - Removal of the cover exposes the one piece bi-disc assembly and strainer that surrounds the thermostat. Cleaning or replacement is accomplished in minutes.
Check Valve -  A free rotating valve seating on the down stream side closes tight on steam temperatures and excessive back pressure.

Stops Water Hammer - Sudden thermal shock and vibration due to contact of high velocity steam with cooler pockets of water is prevented with the thermostat opening the valve quickly to vent the excess water.

Long life - Internal stainless steel parts are designed to resist corrosion and where with specially bonded and nickel plated bimetal free of fatigue.

Fails safe - steam trap cannot jam shut, but will open automatically with line pressure exerted down stream against the check valve.

DETAILS OF THE TYPE HP AND PHS

Operating range 0 to 800 PSI @750 F.
Body and Cover - No.4130 Aircraft Alloy steel bar

Internal trim - Stainless steel 1/4" I.D. seat stilted with heat treated valve.
Bimetal thermostat - A special molecular bonded nickel alloy for high temperatures.

Lock nut - stainless steel silver plated
Strainer - stainless steel .045 perforations

Gaskets - Spiral wound and jacketed stainless steel with non asbestos
Cap screws - Forged steel
Connections 1/2", 3/4", 1"
Dimensions 4" 4-1/2" 3" 8
Weight 8 lbs.

INSTALL IN ANY POSITION

Vertical Installation with Check Valve pointing down makes it Freeze Proof. Tight spots also allow trap to be placed on an angle.

The Preferred Horizontal hook-up with the trap on its side allows each half of the thermostat to be exposed to steam and condensate for fast response.

All traps should be installed with at least a 3 ft. uninsulated cooling leg on the inlet side to assure a 10 to 15 degree F. temperature differential between the equipment being trapped and the steam trap itself.
Condensate can be lifted vertically to overhead return lines. One pound of steam will support 24 inches of moving water without water hammering.

Operating Capacities Pressure Range

PSI  5  10  25  50  75  100  150  200  300

Valve Orifice

Continuous Discharge lbs./hr Hot Water

1/4"      600      900      1350      2635      2850       3100      4515    5310        6800
5/16"  1175    1750      2325      4330      4600       5550      6850    8020      10800
1/2"    2750    3790      4800      8570    11750     13500    15730  18050      24100
5/8"    4775    6945      9275    17500    23675     24500    27350  32025      42800
314"   6200    8500    13000    23200    28500     34100    38080

Continuous Discharge lbs./hr Condensate @180 -210 Degrees F.

114"      230      350      525      675      735      815      1100      1315      1700
5/16"    425      635      985    1175    1300    1450      1725       2200      2850
1/2"    1250    1875    2530    3400    3835    4125      4750       5500      6100
5/8"    2075    2800    3880    5700    6260    6650      7000     10032    13500
3/4"    2575    3500    5225    6835    7520    8450      9460

Consult your representative on a steam trap survey to improve efficiency and eliminate steam leaks.

HOW TO ORDER

Specify the following:

Pipe Connection, Type, Model & Orifice Size

Example - 314", Type NDS, Model 101 with 518" Orifice (314-NDS-101-5/8)

GUARANTEE

All Thermidaire steam traps are guaranteed unconditionally for three years against defective material and workmanship.