API carbon steel steel stainless steel globe valve
What are the advantages of J541H globe valve?
- American standard globe valve has simple structure, small size and light weight.
- The valve is easy to operate, and the American standard globe valve opens and closes quickly, which is convenient for remote control.
- Easy maintenance, simple structure, the sealing ring is generally movable, and it is more convenient to disassemble and replace.
- When fully open or fully closed, the sealing surface of the valve seat is isolated from the medium, and when the medium passes through, it will not cause erosion of the valve sealing surface.
- The American standard globe valve has a wide range of applications, with a diameter ranging from a few millimeters to a few meters, and can be applied from high vacuum pressure.
What are the media of the J541H globe valve? :
suitable for water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea and other media
What does J541H-150LB mean?
- Valve type: globe valve “J”.
- Transmission mode: bevel gear: “5”
- Connection form: flange connection “4”.
- Structural form: straight-through type “1”.
- Seat sealing surface material alloy “H”.
- Nominal pressure: 150Lb
- Design and manufacture: JB/T3595-93
- Pressure temperature: -29~550℃
- Structure length: E101
- Butt welding connection size: GB/T15198.3-95
- Inspection and experiment: GB/T13927-92
Structural features:
- The product conforms to the national standard GB12235, with reasonable structure, reliable sealing, excellent performance and beautiful appearance.
- The sealing surfaces of the disc and seat are made of stellite (stellite) cobalt-based hard alloy surfacing, which is wear-resistant. Scuff resistance.
- Various piping flange standards and flange sealing surface types can be used to meet various engineering needs and user requirements.
- The material of the valve body is complete, and the packing and gasket are reasonably selected according to the actual working conditions or user requirements. Mingjing electric welding globe valve can be applied to various pressure, temperature and medium working conditions.
- The inverted seal is made of threaded connection sealing seat or body surfacing welding austenitic stainless steel, the inverted seal is reliable, the packing replacement and maintenance can be carried out without stopping the machine, which is convenient and quick without affecting the system operation.
Advantages of Welded Globe Valve
- Leave a position for the valve handle to rotate.
- Cannot be used as throttling.
3 Ball valves with transmission mechanisms should be installed upright.
The working principle of carbon steel globe valve, American standard globe valve and American standard gate valve is to make the valve unblocked or blocked by rotating the valve. The gate valve is easy to switch, small in size, can be made into a large diameter, reliable in sealing, simple in structure, convenient in maintenance, and the sealing surface and spherical surface are often in a closed state, which is not easy to be eroded by the medium, and has been widely used in various industries.
Carbon steel globe valves are mainly used in pipelines to cut off, distribute and change the flow direction of media. Gate valve is a new type of valve that has been widely used in recent years.
Pledge:
(1) In strict accordance with the requirements of the contract, provide products that meet the design standards and quality.
(2) Strictly inspect and control the incoming quality of raw materials, original devices and accessories.
(3) Ensure that the processing technology and testing methods of the supplied equipment are complete. Products never leave the factory with defects.
(4) Take full responsibility for issues related to the subcontractor’s supply, quality, equipment performance, technical interface, service, etc. The key components stipulated in the contract must meet the relevant qualification requirements and be approved by the purchaser.
(5) Provide relevant departmental standards and drawings to the supervision unit according to the contract, and provide convenience for the supervision, and notify the purchaser and supervision representative 7 days in advance of the parts of the supervision equipment that are to be inspected, and the purchaser will send supervision It is to urge us to produce qualified products according to the standard, but it does not reduce all our quality responsibilities.
(6) Notify the purchaser and the supervision representative of quality defects in the equipment manufacturing process in a timely manner without concealing them. If the defect of the equipment exceeds the standard stipulated in the contract, the supplier will replace it unconditionally. In the process of installation and trial operation, if there is a quality problem with the equipment, the problem should be dealt with first, and then the responsibilities should be clarified. Everything should meet the needs of the project progress.
(7) Insure the supplied equipment during manufacturing, transportation, loading and unloading. In the event of an accident, we will replace and repair the supplied equipment free of charge as soon as possible until the buyer is satisfied.
(8) In the process of unpacking, if missing parts or parts are lost due to other reasons, we will be responsible for making up the missing parts for free as soon as possible. If the quality problems found during the installation and commissioning of the equipment and during the operation of the equipment in the future are attributable to us, we shall bear the responsibility.
(9) Provide the buyer with all the technical data and drawings stipulated in the contract on time. Obliged to invite the purchaser to participate in our technical design review when necessary.
(10) Go to the site to provide technical services according to the time required by the buyer, and guide the buyer to carry out installation, trial operation and trial production according to the requirements of our technical data and drawings.
(11) For the ancillary equipment related to the contract equipment purchased first by the buyer, we will actively provide the technical conditions and materials that meet the equipment interface requirements.
(12) Strictly implement the meeting minutes or agreements between the supply and demand parties on relevant issues.
(13) According to the stipulations of the contract, free business classes on equipment installation, commissioning, use and maintenance technology will be held for the buyer.
(14) Strengthen pre-sales, sales, and after-sales services, and implement “24-hour service”, “advance service”, “whole process service” and “lifetime service” in the entire process of product manufacturing, installation, commissioning, and overhaul.
(15) After receiving the quality problem information reported by the buyer, reply within 24 hours or send service personnel to the scene as soon as possible, so that users are not satisfied with the quality and the service will not stop.
(16) Provide life-long maintenance for the product free of charge. All users of our factory have established detailed user files, and our factory provides after-sales service. The personnel implement regular return visits, system, guide users’ daily maintenance, point out and solve possible failures in time.
(17) Satisfy the buyer’s requirements for spare parts at any time, and provide users with high-quality and low-cost spare parts for life.
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