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1/2" Armstrong 880 series inverted bucket trap with integral strainer 70 psi steam

Manufacturer
Armstrong

Manufacturer Part No
880

Price	Call
Weight	5.50	lbs.
Quantity

880 Series Side Inlet, Side Outlet Traps With Integral Strainers. Add suffix "CV" to model number for internal check valve, "T" for thermic vent bucket.
Model No.	880*		881		882		883
Pipe Connections	in	mm	in	mm	in	mm	in	mm
Pipe Connections	1/2, 3/4	15, 20	1/2, 3/4, 1	15, 20, 25	1/2, 3/4	15, 20	3/4,1, 1-1/4	20, 25, 32
Test Plug	1/4	6	1/4	6	1/2	15	3/4	20
"A" (Flange Diameter)	3-3/4	95.2	3-3/4	95.2	5-5/8	142.9	7	177.8
"B" (Height)	6-1/16	154	7-1/16	179	9-3/8	244	12-3/8	314
"C" (Face-to-Face)	5	127	5	127	6-1/2	165	7-7/8	200
"D" (Bottom to C/L Inlet)	3-7/16	87.3	4-7/16	113	5-3/4	146	7-3/8	187
"E" (Blowdown Connection)	3/8	9	3/8	9	3/8	9	1/2	15
Number of Bolts	6
Weight lb (kg)	5-1/2 (2.5)		6 (2.7)		15-1/2 (7.0)		31 (14.1)
*Cannot be furnished with both thermic vent bucket and check valve.

Capacity Charts
Model 880	Model 881	Model 882	Model 883

Description
The most reliable steam trap knownâ€”the inverted bucketâ€”provides efficient condensate drainage of virtually all types of steam-using equipment. Put the inverted bucket to work in a tough cast iron package, and you have the best of both worlds. Because they operate efficiently for longer periods of time, Armstrong cast iron inverted buckets add solid energy savings to lower replacement/labor costs. All Armstrong cast iron inverted bucket steam traps are repairable for even bigger maintenance savings.

A unique leverage system multiplies the force provided by the bucket to open the valve against system pressure. The mechanism is free-floating, and has no fixed pivots to create wear or friction.

Because the mechanism is located at the top of the trap, no dirt can collect on the orifice. Small particles of dirt are held in suspension until discharged by the full differential purging action when the bucket sinks, pulling the valve off the seat.

The discharge orifice is surrounded by a water seal, preventing live steam loss. Automatic air venting is provided by a small vent hole in the bucket, which provides continuous automatic air and CO₂ venting at steam temperature.

Inverted bucket traps drain continuously, although discharging intermittently, allowing no condensate backup. They are also resistant to water hammer.

Maximum Operating Conditions
Maximum allowable pressure (vessel design):
         250 psig @ 450Â°F (17 bar @ 232Â°C)

Maximum operating pressure:
         Model 880: 150 psig (10 bar)
         Model 881-883: 250 psig (17 bar)

Connections
Screwed NPT and BSPT

Materials

Body:	ASTM A48 Class 30
Internals:	All stainless steelâ€”304
Valve and seat:	Hardened chrome steelâ€”440F
Test plug:	Carbon steel
Carbon steel Strainer:	Stainless steelâ€”304

Options

Stainless steel internal check valve
Thermic vent bucket
Scrub wire

Specification
Inverted bucket steam trap, type ... in cast iron with integral strainer, with continuous air venting at steam temperature, with free-floating stainless steel mechanism, and discharge orifice at the top of the trap.

How to Order
Specify: