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Help CenterValve Pressure Test Pump, Supporting Equipment for Pressure Test Bench, Customizable for Different Pressure Levels
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In industrial fields such as valve manufacturing, petrochemical, power energy, and pressure vessel production, ensuring the sealing performance and pressure-bearing capacity of valves under extreme working conditions is a core aspect related to production safety and system stability. Traditional valve pressure testing methods often face pain points such as low efficiency, insufficient pressure control accuracy, difficulty in tracing test data, and poor equipment versatility. Especially when dealing with diverse valve products of different pressure ratings, frequent replacement or adjustment of testing equipment has become a key bottleneck restricting production efficiency and quality control. In response to this common industry demand, Shanghai Luoji Pump Industry Co., Ltd., relying on its years of in - depth experience in the pump industry and manufacturing expertise, combines precision machining technology with a profound understanding of fluid pressure control, and has specially developed and produced this high - performance valve pressure test pump. As the core supporting equipment for the pressure test bench, it is not just a pump, but also a precise and reliable pressure testing solution. It aims to fundamentally improve the reliability, efficiency, and standardization level of valve factory inspection for customers through stable high - pressure output and flexible customization capabilities.
Shanghai Luoji Pump Industry Co., Ltd. is an enterprise with a registered capital of 10 million yuan, focusing on the processing and manufacturing of pump products. Its product line covers various types such as pressure test pumps, chemical pumps, and metering pumps, which are widely used in engineering supporting, industrial water supply and drainage, fire protection, pharmaceutical and other fields. We deeply understand the different requirements of different industries for pressure testing equipment. Therefore, at the beginning of the design of this valve pressure test pump, the concept of high modularity and customization was established to ensure that it can be seamlessly integrated into various pressure test benches to meet the full - range needs from low - pressure sealing tests to high - pressure burst tests.
Product working mechanism and core features:
The core function of this valve pressure test pump is to generate and maintain the high - pressure liquid medium (usually clean water or oil) required for testing, to simulate the internal pressure that the valve bears in actual applications. Its working process is as follows: The pump body drives the plunger or piston to reciprocate through a motor or a manual mechanism. During the suction stroke, the medium is sucked into the pump chamber, and during the discharge stroke, the medium is compressed. The high - pressure medium is continuously output to the pipeline system connected to the valve under test through a one - way valve group. The system pressure is monitored in real - time by a precision pressure gauge and is precisely controlled by adjusting the pump displacement or equipping with a pressure relief valve.
This equipment has the following outstanding features:
- Wide - range pressure customization available: Different pump models with different maximum output pressure ratings can be customized according to customer needs, covering a wide range from a few megapascals to hundreds of megapascals, meeting the testing standards of different types of valves such as gate valves, globe valves, ball valves, and safety valves.
- High - precision pressure output and stable maintenance:Adopt precise plunger pair matching and reinforced pump body structure to ensure minimal pressure fluctuation during long - term testing and guarantee the accuracy and repeatability of test data.
- Strong medium compatibility: The pump head and flow - through components can select corresponding corrosion - resistant and wear - resistant materials, such as stainless steel and alloy steel, according to different test media (clean water, oil, emulsion, etc.) to extend the service life of the equipment.
- Flexible drive and configuration options: Two modes are provided: electric drive (suitable for automation and high - frequency testing) and manual drive (suitable for occasions without power supply or simple testing). Pressure gauges, safety valves, pressure relief valves, pressure sensors, and data recorders can be integrated to form a complete test unit.
- Robust and low - maintenance design: The key pressure - bearing components are strengthened, with a compact structure and high reliability. The design focuses on easy maintenance, facilitating daily maintenance and replacement of vulnerable parts.
Technical specification parameters (example, can be customized):
| Parameter item | Parameter range/description |
| Rated output pressure | 5 MPa - 100 MPa (higher or lower can be customized) |
| Rated flow | Matched according to the pressure level, usually low (e.g., 1 - 10 L/min) |
| Drive power (electric type) | 0.75 kW - 4 kW (configured according to pressure and flow) |
| Medium temperature | 0°C - 80°C |
| Suction pressure | Self - suction or priming required, depending on the model |
| Main materials | Pump body: cast iron/alloy steel; Plunger/piston: stainless steel/ceramics; Seals: oil - resistant rubber/PTFE |
| Outlet connection | Standard high - pressure threads (e.g., M20×1.5, NPT 1/2"), can be customized |
| Pressure display | Precision mechanical pressure gauge (standard), optional digital pressure sensor |
In terms of operation and maintenance, to ensure the long - term stable operation of the test pump, it is recommended to regularly check the hydraulic oil level (if applicable), clean the suction filter, check the sealing of each connection part, and replace the seals regularly according to the frequency of use. For electric models, pay attention to the motor operation status and electrical safety. When used in special corrosive media or extremely high - pressure scenarios, please communicate with our technical department in advance to confirm the material selection and safety margin.
Shanghai Luoji Pump Industry Co., Ltd. always adheres to the principle of user service and aims to meet customer requirements. What we offer is not just a single product, but also technical support and solutions based on a profound understanding of the pump industry. The company has a registered capital of 10 million yuan and has solid R & D and production capabilities. Our products have been recognized by customers in various fields such as engineering supporting, industrial manufacturing, fire protection systems, and pharmaceuticals for their superior performance and excellent quality. The reliability of our valve pressure test pumps comes from the fact that every key component has been strictly screened and tested, and their adaptability benefits from our service model that supports in - depth customization. Whether you need to integrate it into an automated production line for batch valve testing or use it in a laboratory for R & D verification of special valves, we can provide matching equipment configuration suggestions.
By choosing our valve pressure test pump, you will get a core device that can significantly improve testing efficiency and data credibility, and you can also enjoy our professional pre - sales consultation and after - sales service. We suggest that before purchasing, you should clarify the following points: the maximum pressure and pressure - holding time required for testing, the commonly used test medium, the daily testing frequency, whether a data acquisition system needs to be connected, and the existing pressure test bench interface specifications. Providing this information will help us recommend the most cost - effective model or formulate the most suitable customized solution. We sincerely look forward to in - depth communication with you to jointly safeguard your product quality control and safe production.
FAQ Frequently Asked Questions:
1. Q: What is the maximum pressure that this test pump can be customized to? Is it suitable for ultra - high - pressure (e.g., above 150MPa) testing?
A: Our valve pressure test pumps have a wide range of pressure ratings, and the normal customization can reach about 100MPa. For ultra - high - pressure testing requirements of 150MPa or higher, it can be technically achieved, but it involves strengthening the pump body structure, changing the sealing form, and greatly increasing the safety factor, which belongs to the category of special customization. We need to evaluate the specific parameters and may recommend multi - stage supercharging or special ultra - high - pressure pump models. It is recommended to provide detailed requirements for a special assessment.
2. Question: The flow rate of the test pump is generally small. When testing valves or pipeline systems with large volumes, the pressure rise speed is very slow. How to solve this problem?
Answer: What you mentioned is indeed a characteristic of the plunger-type pressure test pump. For large-volume tests, we recommend two solutions: One is to choose a high-flow model of the pressure test pump from our company (which provides a higher flow rate under the same pressure); the other is to equip the test system with a pre-pressurized accumulator or an auxiliary pressurization device. First, quickly fill the system to a certain basic pressure, and then use a high-precision pressure test pump to slowly pressurize it to the target value. This can take into account both efficiency and accuracy.
3. Question: We need to use oil as the test medium. Are the pump's materials and seals compatible?
Answer: They are compatible. When using oil-based media, we will adjust the pump's material and sealing solutions accordingly. For example, the flow-through components can be made of more oil-resistant materials, and the seals can be made of materials with excellent oil resistance such as nitrile rubber (NBR) and fluororubber (FKM). Please clearly inform us of the specific type of the test medium (such as hydraulic oil, engine oil, etc.) when placing an order to ensure the long-term stable operation of the equipment.
4. Question: How to choose between the electric type and the manual type?
Answer: The electric type is suitable for occasions with high test frequencies, requiring stable pressure control or integration into an automated test bench. It has high efficiency and low labor intensity. The manual type is suitable for scenarios where there is no power supply on-site, the test frequency is low, or the budget is limited. Its pressure is manually controlled by the operator, with good flexibility, but the test efficiency is relatively low. Please make a choice according to your actual usage scenario and budget.
5. Question: What is the accuracy of the pressure gauge at the pump outlet? Can it be connected to an external data acquisition system?
Answer: The accuracy of the standard mechanical pressure gauge is generally 1.6 or 1.0, which meets the needs of most industrial tests. We support the customization of pressure gauges with higher accuracy (such as 0.4). At the same time, the pump can be reserved with a pressure sensor interface (such as 4 - 20mA output, RS485, etc.) to facilitate connection to a PLC or a data acquisition system, realizing real-time recording and traceability of pressure data. This is crucial for applications that require issuing formal test reports.
6. Question: What maintenance matters should be noted during the daily use of the equipment?
Answer: Daily maintenance mainly includes: keeping the working environment clean to prevent impurities from entering the medium; regularly checking and cleaning the suction filter; checking for leaks at all connections; for the electric type, paying attention to the motor temperature rise and abnormal noises; before long-term shutdown, draining the medium in the pump and performing anti-rust treatment on the rust-prone parts. Please refer to the operation and maintenance manual provided with the equipment for the detailed maintenance cycle and methods.
7. Q: How long is the delivery time for customizing pumps with different pressure levels?
A: For regular customization within the standard pressure range (such as selecting different interfaces, pressure gauge accuracy, etc.), the delivery time is usually 15 - 30 working days. For in - depth customization of non - standard pressures (especially extremely high pressures) or special materials, since it involves special design and component processing, the delivery time needs to be separately evaluated according to the complexity of the specific technical solution, generally requiring 30 - 60 working days or longer. We will try our best to coordinate production according to your urgency.
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