Съемный пластиковый элемент Woltman счетчик холодной/горячей воды с китайской фабрикой по конкурентоспособной цене
2 192,97 ₽
Пневматические регулирующие клапаны для хранения химикатов
- Категория: >>>
- Поставщик: Guangdong Yuantong Industrial Technology Co. Ltd.
Сохранить в закладки 1601194465166:
Описание и отзывы
Характеристики
Product Showcase
Company Introduction
YNTO after more than a decade of development, has continuously attracted high-level talent and adhered to independent technological research and development. The company has obtained more than ten utility and invention patents, and has passed ISO9001, ISO14001, and ISO45001 management system certifications as well as CE certification. It is recognized as a national high-tech enterprise. Yuanton is dedicated to manufacturing fluid control valves for high-temperature, high-pressure,low-temperature, wear-resistant, and corrosion-resistant applications. Our customers include leading manufacturers both domestically and internationally. The company attracts international brand partners from various industries with its excellent quality and outstanding service. Yuanton Industrial is your trustworthy partner.
Main Parts and Materials | ||
Body，Bonnet | WCB、304SS、316SS、316LSS | |
Core,Seat | 1Cr18Ni9Ti, Stellite | |
Packing | PTFE, Flexible graphite, Stainless steel bellows | |
Soft seal valve core | Enhanced PTFE | |
Gasket | Rubber asbestos board, 1Cr18Ni9Ti, Asbestos wound gasket | |
Membrane cover | A3 | |
Corrugated diaphragm | NBR clip reinforced polyester fabric | |
Spring | 60Si2Mn | |
Stem，push rod | 2Cr13, 1Cr18Ni9Ti | |
Bushing | 2Cr13 | |
Nitrogen Sealed Valve
The nitrogen sealing device is composed of control valve, actuator, pressure spring, commander pulse tube and other components. t is mainly used to keep the pressure of protective gas (generally nitrogen) at the top of the container constant, so as to avoid direct contact between materials in the container and air, prevent volatilization and oxidation of materials, and ensure the safety of the container. lt is especially suitable for gas seal protection system of various large storage tanks. The product has the characteristics of energy saving, sensitive action, reliable operation and convenient operation and maintenance. lt is widely used in petroleum, chemical and other industries.
The nitrogen supply device introduces the medium at the pressure taking point on the tank top into the detection mechanism through the pressure pipe, and the medium generates a force on the detection element to balance with the sprina and preload, When the pressure in the tank is lower than the pressure set point of the nitrogen supply device, the balance is broken, so that the valve core of the commander is opened, so that the aas in front of the valve enters the upper and lower membrane chambers of the main valve actuator through the pressure reducing valve, throttle valve and throttle valve, and then the valve core of the main valve is opened to fill nitrogen into the tank; When the pressure in the tank rises to the pressure set point of the nitrogen supply device, close the valve core of the commander due to the preset spring force, and close the main valve and stop nitrogen supply due to the action of the spring in the actuator of the main valve.
The device adopts an internal feedback structure, the medium directly enters the detection mechanism through the valve cover, and the medium generates a force on the detection element to balance with the preset spring preload. When the pressure in the tank rises above the pressure set point of the nitrogen relief device, the balance is damaged, the valve core moves upward, and the valve is opened to release nitrogen to the outside; When the pressure in the tank drops to the pressure set point of the nitrogen relief device, close the valve due to the preset spring force.
The nitrogen supply device introduces the medium at the pressure taking point on the tank top into the detection mechanism through the pressure pipe, and the medium generates a force on the detection element to balance with the sprina and preload, When the pressure in the tank is lower than the pressure set point of the nitrogen supply device, the balance is broken, so that the valve core of the commander is opened, so that the aas in front of the valve enters the upper and lower membrane chambers of the main valve actuator through the pressure reducing valve, throttle valve and throttle valve, and then the valve core of the main valve is opened to fill nitrogen into the tank; When the pressure in the tank rises to the pressure set point of the nitrogen supply device, close the valve core of the commander due to the preset spring force, and close the main valve and stop nitrogen supply due to the action of the spring in the actuator of the main valve.
The device adopts an internal feedback structure, the medium directly enters the detection mechanism through the valve cover, and the medium generates a force on the detection element to balance with the preset spring preload. When the pressure in the tank rises above the pressure set point of the nitrogen relief device, the balance is damaged, the valve core moves upward, and the valve is opened to release nitrogen to the outside; When the pressure in the tank drops to the pressure set point of the nitrogen relief device, close the valve due to the preset spring force.
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FAQ
1. Which voltage of the electric actuator?
DC24V, AC24V, AC110V, AC220V AC380V can be customized and DC12V is available for some smaller torque of actuator.
2. What is the actuation time for electric actuator?
It depends on the torque of actuator.
3. Can the actuation time be faster?
Electric actuator can be customized the quick actuation gear, the soonest actuation time can be reach 1 seconds to open and close.
4. What type of electric actuator you provide?
ON/OFF type, Regulation type and Intelligent type.
5. What is the difference from ON/OFF type, Regulation type and Intelligent type?
(1)ON/OFF type ON/OFF type is fully open and fully closed.
(2)Regulation type
1.With input/output signal:4-20mA or 0-10V;
2.Opening position of valve can be adjusted by signal;
3.Available for PLC system.
(3)Intelligent type
1.With input/output signal:4-20mA or 0-10V;
2.Opening position of valve can be adjusted by signal;
3.Available for PLC system. 4.With display screen to acheieve site control.
6. Can this electric valve be resettable (normally open / closed) automatically when power is removed?
Our regular electric actuator can't be resettable automatically while power-off. But it can go to the multiturn electric actuator
model with the extra electrical storage device along, which acheieve the valves can be automatic reset(normally closed) while
power failure.
7. Have the electric actuator had the presence of limit switches (contact about the position of the cut-off device)?
Yes, there is the position indicator on the top of actuator. The open/closed status can be checked visually.
8. Which type of protection class of this electric actuator? IP65, IP67, IP68,Explosion proof.
9.Is there any manual override of electric valve?
Yes, every electric valve includes the manual override. You can open/close
10. Have the electric valve had the limiting operating time?
Electric haven't had the limiting operating time. It can be working for 99 hours continually without getting heating.
DC24V, AC24V, AC110V, AC220V AC380V can be customized and DC12V is available for some smaller torque of actuator.
2. What is the actuation time for electric actuator?
It depends on the torque of actuator.
3. Can the actuation time be faster?
Electric actuator can be customized the quick actuation gear, the soonest actuation time can be reach 1 seconds to open and close.
4. What type of electric actuator you provide?
ON/OFF type, Regulation type and Intelligent type.
5. What is the difference from ON/OFF type, Regulation type and Intelligent type?
(1)ON/OFF type ON/OFF type is fully open and fully closed.
(2)Regulation type
1.With input/output signal:4-20mA or 0-10V;
2.Opening position of valve can be adjusted by signal;
3.Available for PLC system.
(3)Intelligent type
1.With input/output signal:4-20mA or 0-10V;
2.Opening position of valve can be adjusted by signal;
3.Available for PLC system. 4.With display screen to acheieve site control.
6. Can this electric valve be resettable (normally open / closed) automatically when power is removed?
Our regular electric actuator can't be resettable automatically while power-off. But it can go to the multiturn electric actuator
model with the extra electrical storage device along, which acheieve the valves can be automatic reset(normally closed) while
power failure.
7. Have the electric actuator had the presence of limit switches (contact about the position of the cut-off device)?
Yes, there is the position indicator on the top of actuator. The open/closed status can be checked visually.
8. Which type of protection class of this electric actuator? IP65, IP67, IP68,Explosion proof.
9.Is there any manual override of electric valve?
Yes, every electric valve includes the manual override. You can open/close
10. Have the electric valve had the limiting operating time?
Electric haven't had the limiting operating time. It can be working for 99 hours continually without getting heating.
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