1. Series products of diaphragm pressure tank
Our factory mainly engaged in diaphragm pressure tank products are: fire automatic constant pressure water supply equipment, fire pressure water supply equipment, fire pressurized pressure water supply equipment, fire foam fire fighting equipment, automatic water supply equipment, automatic no negative pressure direct DL, CDL, CDLF, LSG, LSW, QW, AS, QJ, LG, and other types of water pump. The water supply equipment, stainless steel, galvanized plate combined water supply equipment, High-quality product quality and after-sales service for the company won a good reputation.
2. Relevant introduction of nitrogen gas in diaphragm pressure tank
| Shanghai diaphragm pressure tank manufacturers in the production of complete production of pressure tank shell, after installation of the airbag should be given to the diaphragm-type pressure tank pre-charge gas, the general manufacturers are mostly filled with compressed air; some manufacturers also filled with nitrogen, nitrogen relative to the air Said the cost is still relatively high, the nitrogen price depends on nitrogen purity, pressure, delivery mode. Industrial nitrogen and high purity nitrogen spread is very large; pressure level is also different; pipeline transportation and bottled gas is very different. The cheapest pipeline to transport industrial nitrogen as long as a few cents a cubic meter, the most expensive bottled ultra-high purity nitrogen about a few hundred dollars a cubic meter. So what is the benefit of the diaphragm pressure tank filling nitrogen? |
| 1 The nitrogen is an inert gas, accounting for 78% of the volume of the air by the temperature increase caused by the volume expansion is very small changes in the summer nitrogen can stabilize the diaphragm pressure tank pressure, thereby reducing the occurrence of burst capsule; |
| 2 The chemical properties of nitrogen is not active, the temperature change is not obvious, the summer tank wall does not condensation, will not produce condensate, so that the tank wall to keep dry and clean; |
| 3 Nitrogen can make your diaphragm-type pressure tank for a long time to maintain the standard internal pressure on the pump equipment pipe network stability; |
| 4 The water will be on your air pressure tank and air pressure tank wall caused by oxidative corrosion, nitrogen will protect your airbags and pressure tank will not corrosion and rust, so as to ensure better air tightness; |
| 5 The density of the air will be the temperature of the larger impact, and nitrogen because of the exclusion of moisture makes your pressure tank pressure is more stable. Nitrogen in the metal nitriding treatment; cable production process of nitrogen protection; electronic products, medicine, petrochemical and other aspects of the application is abound. |
3. Function
a. Constant pressure & filling water
b. Relieve pressure fluctuations in the water system effectively
c. Reduce the frequently start for the water pump
Complete sets of equipment: water pump, control cabinet
Application: living water supply, fire filling water
4. Production Process
1. Lofting, marking-off & cutting.
2. Manufacturing & welding
a. Make holes
b. Crimping plate
c. Spheronization
d. Welding
e. Install
f. Circumferential welding
3. Surface treatment
a. For Carbon Steel
(1) Sand blasting
(2) Primer (for 2 times)
(3) Finishing coat
b. For Stainless steel
(1) Sand blasting
OR
(2) Polishing
5. Parameter
| Diameter (mm) |
Pressure (MPA) |
Total Height (mm) |
Thickness (mm) |
Total Capacity (m3) |
Adjustable Volume (L) |
Outlet Diameter (mm) |
| 400 |
1 |
1230 |
3.5 |
0.09 |
30 |
50 |
| 1.6 |
5 |
50 |
| 600 |
0.6 |
1720 |
3.5 |
0.32 |
90 |
50 |
| 1 |
4.5 |
50 |
| 1.6 |
7 |
50 |
| 800 |
0.6 |
2230 |
4 |
0.77 |
217 |
100 |
| 1 |
6 |
100 |
| 1.6 |
6 |
100 |
| 1000 |
0.6 |
2370 |
5 |
1.28 |
400 |
100 |
| 1 |
7 |
100 |
| 1.6 |
7 |
100 |
| 1200 |
0.6 |
2741 |
6 |
2.2 |
677 |
100 |
| 1 |
6 |
100 |
| 1.6 |
8 |
100 |
| 1400 |
0.6 |
2969 |
6 |
3.3 |
970 |
100 |
| 1 |
6 |
100 |
| 1.6 |
9 |
100 |
6. Scope of Application
Diaphragm pressure tank is widely used in central air conditioning circulating water regulator, steam supply expansion system, heating system circulating water replenishment regulator, fire water supply system water supply regulator, frequency water supply voltage regulator, boiler water, pressure water supply and other occasions.
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