Yongjia Goole Valve Co., Ltd.

China Manufacturer with main products: Pressure Reducing Valve, Safety Relief Valve, Steam Trap, Strainer, Bellows Sealed Globe Valve, Control Valve, Regulating Valve

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Armstrong Inverted Bucket Steam Trap

Payment Terms: L/C, T/T
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Specifications

Pressure Rating: 1.6- 4.0Mpa
Specification: Screwed:DN15-50Material: cast steel
Standard flanges: DIN, ANSI, JIS, JB79
Standard screwed: NPT
 
Working Principle.

The design makes use of the working principle of difference in density of steam and condensate. The compound lever is connected to the inverted bucket inside the valve,working on steam pressure switch.The inverted bucket is a level sensor in the steam trap with opening downward.When the device starts up ,air and low-temperature condensate enter into the tube.At this time ,the trap is completely open,allowing quick discharge of air and low-temperature condensate and temperature rising. Steam entering into the inverted bucket causes it to float.and the lever arm drives the valve corce to close. A small vent in the bucket may automatically discharge the air.Some part of the steam will be discharged from the vent ,and other part of the steam will become condensate.The inverted bucket will sink without buoyant force, and then the lever arm will help the valve core to open the valve. When the valve is open, steam will get into the bucket again,causing the valve to close again. The device will work circularly and discharge water discontinuously.

Structural Characteristic. 

Inverted bucket type steam trap,as a mechanical steam trap, has outstanding performance and can be used low ,medium and high pressure.It applies stainless steel internal components and heat treatable steel base . It has such features as strong structure,resistance to abrasion and corrosion, long durability, and not easy to be damaged. It is highly recommended to be used for condensate recovery sustem for its steam saving capability, High heat engine efficiency, and anti-back pressure characteristic. The trap may be assembled with check valve so as to save piping space.
 
Correct conditions for choice of configurations when placing an order: 
The user may choose the discharge capacity of trap as per max. condensate which is equal to max. steam consumption of the machine by multiplying factor (2-3 times) . Max. operating differential pressure of trap( namely, working pressure before the valve minus the back pressure behind the valve.It shall be specified if there is any back pressure.Maximum working temperature of the trap ,Drainage operating mode ,Connecting model, Valve materials.
 
Material of Main Component.

Name of component Material of component
Valve body, valve cover WCB
Internal components stainless steel

 
The table below shows the water discharge capacity of the inverted bucket type steam trap (KG/KR), When making a choice users should take 2-3 times safety factor into consideration.

Product model 880 881
881F
81
882
882F
82
883
883F
83
884
884F
84
815
815F
85
816
816F
0.5 240 420 800 1520 2500 3960 7190
1 280 470 930 1750 2950 4500 8600
2 230 460 930 1800 3020 4500 8150
4 280 410 920 2000 3050 4400 8800
6 280 380 800 1560 2600 4600 8000
8 310 420 900 1750 2950 4900 8850
10 260 365 660 1550 2550 4500 8450
12 200 380 720 1730 2880 4850 9000
15 230 335 560 1500 2500 3000 8400
17 250 350 600 1550 2600 3200 8650
21 -- 240 860 1200 2200 3400 7200
25 250 900 1300 2400 2900 7800


Connecting Dimension (mm).
?
 880-885, side enter and side out,with filter screen, external dimension (mm):



Model DN A C D B Maximum pressure kg/cm 2
880 1/2 '' 3/4 '' 96 128 70 146 25
881 1/2 '' 3/4 '' 1 '' 96 128 100 176 41
882 3/4 '' 1 '' 145 170 137 231 25
883 1 '' 1 1/4'' 180 202 193 313 25
884 1 1/4' 1 1/2'' 203 232 212 362 25
885 1 1/2'' 2 '' 220 250 248 396 25

 
881F-886F, Flange, with filter screen, external dimension (mm):

Model DN A C D B Maximum pressure kg/cm 2
881F 15. 20 .25 96 170 100 176 25
882F 20 .25 145 210 137 131 41
883F 25 .32 180 270 193 314 25
884F 32 .40 203 320 212 362 25
885F 40 .50 220 320 248 396 25
886F 65 .80 265 400 310 799 25

 
81-86, From below enter to upper , external dimension (mm):

Model DN A B Maximum pressure kg/cm 2
81 1/2 '' 108 162 25
82 3/4 '' 1 133 203 25
83 1 '' 162 273 25
84 1 1/4'' 184 314 25
85 1 1/2'' 216 380 25
86 2 '' 260 432 25


Our Services
Pre-sale service:
1.We have full stock and can deliver within short time.
2.OEM and ODM order are accepted, Any kind of logo printing or design are available.
3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.   
After you choose:
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment
3. Email you the tracking no., and help to chase the parcels until it arrive you. 
After-sale service:
1.We are very glad that customers give us some suggestion for price and products.
2.If you have any question,please contact us freely by E-mail or Telephone.

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