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Mech Valve differential remote float control valve surge piping system

Mech Valve differential remote float control valve surge piping system

Mech Valve differential remote float control valve surge piping system
  • Mech Valve differential remote float control valve surge piping system
  • Mech Valve differential remote float control valve surge piping system
  • Mech Valve differential remote float control valve surge piping system
  • Mech Valve differential remote float control valve surge piping system

Mech Valve differential remote float control valve surge piping system

Connection Ends
Flange to BS EN 1092-2:1997
Temperature Range
0℃- 80℃
Coating
Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550
Working Pressure
PN10/PN16
Price
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Application Scope
valve manufacturer can be applied to different industries, fields and scenes.Since the establishment, Mike Valve has always been focusing on the R&D and production of Industrial Valves. With great production capability, we can provide customers with personalized solutions according to their needs.
Product Details
Mike Valve pursues perfection in every detail of valve manufacturer, so as to show quality excellence.Mike Valve carries out strict quality monitoring and cost control on each production link of valve manufacturer, from raw material purchase, production and processing and finished product delivery to packaging and transportation. This effectively ensures the product has better quality and more favorable price than other products in the industry.
Company Advantages
1. Mech Valve pump control valve is manufactured by a quality oriented organization.
2. The outstanding team upholds a customer-oriented attitude to provide the high quality product.
3. The product is durable and functions very well during its long service life.
4. Having been trained by professional experts, our service team are more skilled at solving problems about remote float control valve for you.
5. Shenzhen Mech Valve Trading Co., Ltd. is a reliable supplier of remote float control valve with top quality and reasonable price.
Statement


SK790X Deluge Alarm Valve is a diaphragm type of hydraulic control valve driven by the hydraulic pressure within the piping system, functioning as flow control and alarming device in the sprinkler and pre-action system, i.e. to start the sprinkler system for quenching of the fire and send out fire alarm through the fire bell when there is fire detected.

Features


Operational principle

SK790X Deluge Alarm Valve is equipped with solenoid, anti-reset controller, mini strainer, ball valve and pressure gauge, etc..

For deluge valve there is set condition and work condition. When the valve is under set condition, ball valve (3) is open, ball valve (7), solenoid (8) and remote ball valve (9) are closed, the anti-reset controller is connected, and pressure gauge (1) and pressure gauge (6) shows the same value. When ball valve (11) is open, pressure gauge (10) shows 0. When ball valve (12) and (14) are open, (13) & (15) closed, there is no hydraulic pressure for pressure switch (17) , and alarm (18) does not work. Under set condition, you can operate as following if you want to test the pressure switch alarm device (17) and water motor alarm (18): close ball valve (14) and open (15), and then close (15) and open (14) after testing.

In case there is fire detected, the following 3 methods will set the deluge valve into work condition immediately, A: Opening solenoid valve (8) B: Opening ball valve (7) C: Opening remote ball valve (9). Any of the above 3 methods can get the pressure within the control room of the basic valve released rapidly to open the valve and set it into working condition. At this time the sealing ball of anti-reset controller makes controller in a shutdown state, water will pass through the main valve, ball valve (12), (4), pressure switch (17), fire bell (18), the pressure switch bell sends out signal alarms. After fire fighting, close ball valve (7), solenoid valve (8), remote valve (9), press the anti-reset controller handle till the pressure gauge (6) and pressure gauge (1) shows the same value. The deluge alarm valves returns to set condition.Ball valve (2), (5) & (11) are normally open unless need to change the pressure gauge.


Property and advantages

• Driven by pressure of pipe system, work automatically with energy of pipe system to achieve energy conservation and environment protection.

• Controlled by the pilot valve, lower energy consumption, achieve accurate pressure reducing results, have function of stabilizing pressure after the valve.

• Dual cavity design, with functions of fully opening and fully closing. Slow shut causes no pressure fluctuation, and the diaphragm with support is well protected.

• Have internal orifice, connect bottom cavity and outlet of the basic valve, make sure stability of reaction to keep stability of pressure after the valve, avoid any vibration and noise.

• Channel with straight-flow, slight friction loss, no eddy flow and turbulent flow, cut down the damage of cavitation.

• Long pitch orientation design for stem move, stable and no gap resistance.

• Balanced automatically, big gap design on connection of disc and stem, disc is free on the vertical flat against stem, it can balance the tolerance from machining and sealing surface. Good connection without leakage. Achieve functions of both reducing dynamic pressure and reducing static pressure.

• Ductile iron castings with nodularity higher than 90%, foundry in house with advanced melting technology and strict quality control system, testing reports and testing bars can be supplied with order. Records and testing bars maintained for one year in the factory.

• Good corrosion resistance, with stainless steel, copper alloy, rubber made from DuPont and other rust- resisting material, fusion bonded epoxy coating both for interior and exterior surface of the basic valve. All the characteristics in accordance with ANSI/AWWA C550 and other international specifications like WRAS, NSF61.


SK790X


Notes for installation and debugging

• Please check if pressure switch and alarm bell are in good condition before installation. Make sure water can not leak to system from water supplying system or there's equipment to discharge the leaked water.
Please adjust all the ball valves to make sure the basic valve be in set condition.

• Make sure anti-reset controller is in good condition and seal well before installation. If there's water with pressure in front of the valve, please closed ball valve (7), (9) and electromagnetic valve when it's in empty state behind the basic valve, press the anti-reset controller, when up cavity of basic valve is full of water please check if there's any leakage behind the valve. If no leakage, it said anti-reset controller is in good condition.


Typical installation illustration


Common problems and proposed solutions



Common Problems

Proposed Solutions

 

Press anti-reset controller after fire-out, there's still water coming out behind the valve.

 

a.Check if any sundries or damage on the sealing surface of basic valve or anti-reset controller.

b.Check if any damage on diaphragm.
c.Check if controlling valve (7), (8) and (9) were closed completely. Close them or replace with new ones.

 

When open controlling valve (7), (8) and (9) no water comes out from the basic valve.

 

a.Check if controlling valve (7), (8) and (9) were opened. Close them or replace with new ones.

b.Check if there's block on stem of basic valve, repair it.


Company Features
1. Shenzhen Mech Valve Trading Co., Ltd. is dedicated into the remote float control valve area for a long time and is highly acknowledged.
2. We are not the only one company to produce pressure control valve , but we are the best one in term of quality.
3. Shenzhen Mech Valve Trading Co., Ltd. adheres to the customer-centric, scientific and technological innovation business philosophy. Get more info! Shenzhen Mech Valve Trading Co., Ltd. endeavors to be a responsible and respectable company to its employees, clients and shareholders. Get more info! Shenzhen Mech Valve Trading Co., Ltd. firmly believes that a lasting relationship with our partners is the key to our continued success in all areas. Get more info!
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