Product description
The role of the intake valve
The intake valve is the core component that controls the air intake of the air compressor. Sullair intake valves are divided into Poppet valves and butterfly valves. Their working principle is to adjust the amount of intake air by controlling the lift or rotation angle of the intake valve plate. When the air compressor starts, the intake valve closes and the air compressor starts at light load; when the minimum system pressure is established, the intake valve gradually opens, the air intake increases, and the system pressure rises until it reaches the rated pressure. When the system pressure exceeds the rated pressure, the intake valve begins to close gradually, reducing the intake air volume, until all closed, the system pressure no longer rises. Through this action, the intake valve achieves the goal of regulating system pressure.
Screw air compressor air volume adjustment system:
The control system can adjust the compressor air intake according to the required compressed air volume. When the pipeline pressure exceeds the loading pressure by about 10 psig (0.7 bar), the unit is vented and unloaded under the action of the control system, which can greatly reduce energy consumption. The control system includes an intake valve (located at the compressed air inlet), solenoid valve, pressure regulating switch and pressure regulator. The function of the control system is explained through the compressor running status. For the sake of simplicity, a Sullair H compressor with a working pressure of 115~125psig (7.9~8.6bar) is chosen.
Unloading--If the line pressure exceeds 125psig (8.6bar), if the customer does not use gas, the pipeline pressure will rise, and the pressure adjustment will be opened.
Turn off the set value, the pressure adjustment switch trips, and the vent solenoid valve loses power. In this way, the control air directly enters the air inlet valve to close the air inlet; at the same time, the vent valve is opened under the action of the control air to slowly discharge the compressed air in the separation tank, so that the pressure in the separation tank is maintained at 25-27 PSIG (1.7 -1.9bar); The minimum pressure valve on the gas supply pipeline prevents pipeline gas from leaking back into the oil and gas separation tank. When the gas consumption increases, the pipeline pressure drops. When it is lower than 115PSIG (7.9bar), the pressure adjustment switch is closed and the solenoid is turned on The valve power supply, at this time the control gas to the intake valve and the vent valve are cut off. In this way, the intake valve is fully opened, the vent valve is closed, and the unit runs at full load. When the pressure rises, the pressure regulator will resume its regulating function.
Packing and shipping
Certificate
Our Service
1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in DEHAHA air compressor factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks in Shanghai and all distributors'depots.
6.All kinds of technical documents in different languages.
FAQ
1.Why customer choose us?
DHH COMPRESSOR JIANGSU CO.,LTD.with 23 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.
2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in Qidong,China,with professional design team.Both OEM & ODM service can be accepted.
3.Where is your factory located? How can I visit there?
Our factory is located in Qidong City, Jiangsu Province, China. We can pick up you from Shanghai, it's about 1 hour from Shanghai Pudong Airport to our factory. Warmly welcome to visit us!
4.What's your delivery time?
380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.
5.How long is your air compressor warranty?
One year for the whole machine and two years for screw air end, except consumable spare parts and we can provide some spare parts of the machines
6.How does your factory do regarding quality control?
Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.
7.How long could your air compressor be used?
Generally, more than 10 years.
8. What's payment term?
T/T,L/C,D/P,Western Union,Paypal,Credit Card,and etc.Also we could accept USD, RMB, Euro and other currency.
9.How about your customer service?
24 hours on-line service available.48 hours problem solved promise.
10.How about your after-sales service?
(1) Provide customers with installation and commissioning online instructions.
(2) Well-trained engineers available to overseas service.
(3) Worldwide agents and after service available.