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Help CenterLiquid Level Control Valve for Industrial Boiler Water Feed Systems
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Product Description
01.Description
Hydraulic water level control valve by valve stem, valve seat, spring, valve body, valve, needle valve, diaphragm, copper tube and float device of main components, can automatically open the valve to control the function of the water pipeline, applicable to industrial and mining enterprises, civil building in various kinds of water tower (pool) automatic water supply system, and can make atmospheric boiler circulating water supply control valve, the valve of small, easy to install, enabling high sensitivity, small head loss without water hammer, the small floating ball control can greatly improve the utilization rate of water tower, the new tower due to the floating ball make water tower with the decrease of the volume required for the upper left float freely floating height decrease reduce water tower building interface,It is suitable for building new water tower and replacing old float valve.
02.Main parts&material
| No. | Part | Material | China stardard |
| 1 | BODY | DUCTILE IRON | EN GJS-500-7 |
| 2 | SEAT | STAINLESS STEEL | AISI 304 |
| 3 | O-RING | RUBBER | NBR |
| 4 | ORING | RUBBER | NBR |
| 5 | BOLTS | STAINLESS STEEL | A1 |
| 6 | WASHER | STAINLESS STEEL | A2 |
| 7 | COVER | DUCTILE IRON | EN GJS-500-7 |
| 8 | BUSH | BRASS | CuZn40Pb4 |
| 9 | SPRING | STAINLESS STEEL | AISI 304 |
| 10 | NUT | STAINLESS STEEL | A2 |
| 11 | DIAPHRAGM | RUBBER | EPDM>NYLON |
| 12 | SUPPORT RING | DUCTILE IRON | EN GJS-500-7 |
| 13 | OBTURATOR | DUCTILE IRON | EN GJS-500-7 |
| 14 | MAIN GASKET | RUBBER | EPDM |
| 15 | SEAL RING | STAINLESS STEEL | AISI304 |
| 16 | STEM | STAINLESS STEEL | AISI304 |
| 17 | PLUG | STAINLESS STEEL | AISI304 |
| 18 | PLUG | STAINLESS STEEL | AISI304 |
| 19 | V-PORT | STAINLESS STEEL | AISI304 |
03.Features
001. Stem diaphragm assembly with double lead action through top and seat rings provides long life and reliability.
002. All cast iron parts are coated with powder epoxy resin to resist corrosion
003. During maintenance, the main valve can be repaired directly on line without disconnecting from the pipeline.
004. The linear flow of valve body is convenient to obtain better control characteristics and lower head loss.
005. Ductile iron has high strength and light weight
006. Reinforced nylon membrane, die layer thickness uniform strength, good precision, durable.
007. Internal USES the stainless steel seat, the guide platen and the shaft to be durable.
008. Good closing effect, zero leakage safety,
009. Hydraulic operation does not need external power, and can be matched with different guide pins and accessories as opening and closing or adjusting water level, pressure and flow.
Feature description:
001. The upper end device of the main valve has a solenoid valve, which can be opened or closed to receive telecommunication messages.
002. It can be used for remote operation purposes.
04.Dimensions
| DN | L | ØD | ØK | H | N-Ød | ØB | ||||||||
| PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | |||
| 50 | 230 | 165 | 165 | 165 | 125 | 125 | 125 | 177 | 4-Ø19 | 4-019 | 4-019 | Ø99 | Ø99 | Ø99 |
| 65 | 290 | 185 | 185 | 185 | 145 | 145 | 145 | 202 | 4-Ø19 | 4-019 | 8-019 | Ø118 | Ø118 | Ø118 |
| 80 | 310 | 200 | 200 | 200 | 160 | 160 | 160 | 219 | 8-Ø19 | 8-Ø19 | 8-019 | Ø132 | Ø132 | Ø132 |
| 100 | 350 | 220 | 220 | 235 | 180 | 180 | 190 | 243 | 8-Ø19 | 8-Ø19 | 8-Ø23 | Ø156 | Ø156 | Ø156 |
| 125 | 400 | 250 | 250 | 270 | 210 | 210 | 220 | 243 | 8-Ø19 | 8-Ø19 | 8-Ø28 | Ø156 | Ø156 | Ø156 |
| 150 | 480 | 285 | 285 | 300 | 240 | 240 | 250 | 333 | 8-Ø23 | 8-Ø23 | 8-Ø28 | Ø211 | Ø211 | Ø211 |
| 200 | 600 | 340 | 340 | 360 | 295 | 295 | 310 | 428 | 8-Ø23 | 12-Ø23 | 12-Ø28 | Ø266 | Ø266 | Ø274 |
| 250 | 730 | 405 | 405 | 425 | 350 | 355 | 370 | 478 | 12-Ø23 | 12-Ø28 | 12-Ø31 | Ø319 | Ø319 | Ø330 |
| 300 | 850 | 460 | 460 | 485 | 400 | 410 | 430 | 538 | 12-Ø23 | 12-Ø28 | 16-Ø31 | Ø370 | Ø370 | Ø389 |
| *350 | 980 | 520 | 520 | 555 | 460 | 470 | 490 | 550 | 16-Ø23 | 16-Ø28 | 16-Ø34 | Ø429 | Ø429 | Ø448 |
| NOTE: 1. *DN 125/350 use same internal as DN100/300 2. AISI 304 factory standard material, consult factory for AISI 316 material | ||||||||||||||
05.Execution standard
| Design standard | CJ/T219, JB/T10674 |
| Connection standard | GB/T17241.6 |
| Face spacing standard | GB/T12221 |
| Inspection testing standard | GB/T13927 |
06.Technical parameters
| Nominal diameter | DN50~DN250(2"~10") PN10 DN50~DN250(2"~10") PN16 DN50~DN200(2"~8") PN25 |
| Nominal pressure | 0.3MPa~1.7MPa 1.7MPa~2.1MPa |
| Operating temperature | 0°C~85°C |
| Seal test | 1.1PN |
| Shell test | 1.5PN |
| Suitable medium | Water |
07.Operating principle
When the water level drops more than the preset value, the float valve opens, the pressure in the upper chamber of the piston decreases, and the pressure difference between the upper and lower chamber of the piston is formed. Under the pressure difference, the disc opens for water supply operation.When the water level rises to the preset height, the float valve closes and the pressure in the upper chamber of the piston increases continuously, causing the disc to close and stop the water supply.This reciprocation automatically controls the liquid level at the set height to realize the automatic water supply function.The product is suitable for the automatic water supply system of various water tanks (pools) and water towers in industrial and mining enterprises and civil buildings.It can be used as circulating water supply control valve for atmospheric boiler.
2.Factory tour
3.FAQ
Q1.How about your delivery time?
A. Commonly, it is 5-10 days if in enough stock. It will takes about 20-30 days after receiving the deposit, the delivery time depends on the items and the order quantity.
Q2: Are you trading company or manufacturer ?
A: We are a manufacturer of hydraulic control valve,gate valve,butterfly valve,check valve,pressure reducing valve and other valve parts for Water plant, secondary water supply, municipal pipe network, reservoir, garbage treatment plant, subway and other industries in municipal engineering;Petrochemical, steel plant, power plant, shipbuilding and paper-making, bio-pharmaceutical, etc
Q3: Can you produce according to our own drawings?
A: Yes, please send your own drawing draft to us.OEM items are welcome.
Q4: Do you provide samples ? is it free or extra ?
A: Yes, we'd like to offer the sample for free charge but the freight will be on your charge.
Q5: Do you have agent or representative abroad?
A: We don't have any agents abroad up to now. If you have interests to join us as agent and enjoy more discounts.Just feel free to contact us then we can discuss more details.
Q6: Can we print the LOGO on products?
A: Yes, the OEM is available with the permission of our customers.
Q7. what is your payment term?
A: T/T or L/C,if you want any other way,please contact us.
Q8: what is your main market?
A:Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, North America, South America, and so on.
Q9: If products have some quality problem, how will you deal with?
A: We will be responsible for all the quality problems.
Q10: What can I get from cooperating with SUOTE VALVE?
A: 1. Special valves, with customized service.
2. Timely production and delivery, time is money.
3. Market protection service, long term business strategy.
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