Nominal Diameter: DN15
Structure Type: Pilot-operated
Connection Method: RC 1/2” Internal Thread Connection
Model: HY-SV-22-UHP-AV
Technical Parameters:
Nominal Diameter: DN15
Structure Type: Pilot-operated
Connection Method: RC 1/2” Internal Thread Connection
Nominal Pressure: PN160
Working Pressure: 0.6～16 MPa
Medium Temperature: ≤80℃
Working Medium: Nitrogen
Material: Titanium Alloy
Control Method: Normally Closed
Voltage: DC24V
Response Time: 70ms
Electrical Interface: Plug FQN12-2TK, Socket FQN12-2ZJ
Power: 18W
Two Position Two Way Ultra High Pressure Titanium Alloy Solenoid Valve
When a fluid control system has to handle high pressure, limited installation space, demanding working conditions, and strict control requirements at the same time, I do not believe a standard valve should be selected simply because it is available. The valve needs to match the actual system.
That is why we developed and manufacture specialized solenoid valves for difficult fluid control applications. Our Two Position Two Way Ultra High Pressure Titanium Alloy Solenoid Valve is designed around a simple operating idea: use an electrical signal to control a two-position, two-way fluid path, while using a titanium alloy construction where the application calls for the combination of strength, relatively low density, and corrosion resistance associated with titanium alloys.
I see this type of valve as a practical choice for aerospace equipment, commercial spaceflight systems, research equipment, high-pressure test benches, specialized industrial machinery, and other systems where fluid control cannot be treated as an ordinary catalog purchase.
At Xi'an Huiyuan Instrument Valve Co., Ltd., our background comes from decades of work in fluid control. The company originated from the Solenoid Valve Branch of Xi'an Instrument Factory and was restructured into a joint-stock company in 1994. Today, we integrate technology development, manufacturing, and technical services.
Our product range includes fluid solenoid valves, electrically controlled valves, pneumatic control valves, Pressure Reducing Valves, and special non-standard valves. We have also developed specialized fluid control products for aerospace, commercial spaceflight, nuclear power, shipbuilding, research institutes, and experimental testing systems.
For this reason, I do not look at a high pressure titanium solenoid valve as just another small valve. I look at it as one part of a larger fluid control system. The fluid, pressure, temperature, electrical signal, sealing method, connection, installation space, operating cycle, and required tests all need to make sense together.
Let us make the name easier to understand.
Two position means the valve has two basic operating states. It can be in one position or the other. In a common on and off application, these positions are open and closed.
Two way means the valve has two main fluid ports. The valve controls the flow between these two ports.
Solenoid valve means an electrical signal is used to move the internal valve mechanism. The solenoid coil creates a magnetic force that moves an internal part, allowing the valve to change state.
Titanium alloy describes the material used for the valve body or other specified components, depending on the actual design. Titanium alloys are widely used where engineers need a useful combination of mechanical strength, lower density than many common engineering metals, and good corrosion resistance.
ASTM B348/B348M covers titanium and titanium alloy bars and billets and lists Grade 5 as a titanium alloy containing 6 percent aluminum and 4 percent vanadium. This is commonly known as Ti-6Al-4V. However, the material grade used for a specific valve must always be confirmed in the customer's technical specification and material documentation. A general titanium alloy reference should not be treated as the guaranteed material specification of every valve. [1]
Finally, ultra high pressure describes the intended application category. It should not be confused with a universal pressure rating. The actual allowable pressure of a valve depends on its design, dimensions, materials, sealing system, temperature, fluid, connection, manufacturing process, and qualification requirements.
This is an important point when buying a two position two way ultra high pressure titanium alloy solenoid valve. I always recommend confirming the complete operating envelope before the valve is selected for a critical system.
The working principle is straightforward.
When the electrical control signal reaches the solenoid coil, the coil creates a magnetic field. This magnetic force moves the internal armature or plunger. The movement changes the position of the valve element and therefore changes the fluid path.
When the electrical signal is removed, the valve can return to its original state through a spring or another designed mechanism, depending on the valve structure.
In a simple normally closed arrangement, the valve stays closed when there is no electrical command. When the coil is energized, the valve opens and fluid can pass through. A normally open configuration works in the opposite basic way.
The actual internal design can be different from one High pressure valve to another. That is why I do not recommend copying a normal low-pressure solenoid valve design and simply increasing the pressure specification.
At high pressure, the valve body, internal moving parts, sealing surfaces, connections, and pressure-bearing areas all need to be considered together.
Two-position, two-way control is useful when the system mainly needs to switch a fluid path between an open and closed state. The control logic is simple, which makes this type of valve suitable for automated equipment.
Fluid isolation
On and off flow control
Pressure system switching
Test equipment fluid path control
Pneumatic system switching
Special gas or liquid control
Aerospace and commercial spaceflight fluid systems
In a test system, for example, I may use several valves to control different sections of a pressure circuit. One valve can isolate a test chamber, another can connect a pressure source, and another can release or switch the fluid path. The electrical control makes it possible to coordinate these actions with a larger test system.
Material selection is one of the first things I look at when developing a specialized valve. Titanium is not automatically the best material for every application. But when the application needs its particular combination of properties, titanium alloy can be a very useful choice.
One well-known titanium alloy is Ti-6Al-4V, also known as ASTM Grade 5. ASTM identifies Grade 5 as a titanium alloy containing 6 percent aluminum and 4 percent vanadium. [1]
Published material data for one Ti-6Al-4V product form lists a typical density of about 4.42 g/cm³. The same source gives mechanical properties that vary with product form and processing condition. This is a good example of why I avoid using one material data sheet as the guaranteed specification for a finished valve.
Property
Source: ASTM B348/B348M and MatWeb data for Ti-6Al-4V. These are material reference data, not guaranteed specifications for this solenoid valve.
For valve design, I care about more than raw strength. I also look at corrosion behavior, fluid compatibility, machining requirements, sealing materials, pressure loading, thermal conditions, and the connection design.
Titanium alloys are lighter than many commonly used steel alloys. When equipment weight matters, this can be useful. Aerospace systems are a good example because every component contributes to the total system weight.
Titanium is known for strong corrosion resistance in many environments. However, I still require the customer to tell us the actual fluid. No material should be selected only because it is called corrosion resistant.
Titanium alloys can provide a strong combination of strength and relatively low density. This makes them attractive in specialized pressure and aerospace applications where both mechanical performance and weight are important.
Customers often ask me why they should choose titanium instead of stainless steel. There is no universal answer. The correct choice depends on the application.
The table below is a practical engineering comparison rather than a statement that one material is always better. Stainless steel covers many different grades, and titanium also covers many grades. Actual valve performance must be evaluated using the exact material specification.
Consideration
Source: General engineering comparison based on publicly available material information and ASTM titanium alloy specifications. It is intended for preliminary material selection only. Final material selection should be based on the exact fluid, pressure, temperature, corrosion environment, manufacturing condition, and customer specification. ASTM B348/B348M provides the relevant material specification framework for titanium and titanium alloy bars and billets. [1]
In other words, I would not sell titanium simply because it sounds more advanced. If stainless steel gives the customer the required performance at a lower cost, stainless steel may be the better engineering decision. But when weight, corrosion behavior, material compatibility, and demanding operating conditions point toward titanium, our titanium alloy solenoid valve becomes a much more interesting option.
The exact specifications of this valve should be confirmed according to the project. Still, there are several design ideas that define this product category.
The basic two-position, two-way structure makes the valve suitable for simple fluid switching and isolation tasks. It can be integrated into an automatic control system without complicated manual operation.
Titanium alloy can be selected when the application benefits from its material properties. The exact titanium grade and component usage should be confirmed during technical review.
High pressure changes the design problem. The body must withstand the working load, the sealing system must maintain the required seal, and the internal components must move correctly under the actual pressure conditions.
For this reason, I do not recommend judging an Ultra high pressure solenoid valve only by the outside appearance. The pressure rating must come from the approved product design and test results.
The solenoid allows the valve to be controlled by an electrical signal. This makes it suitable for automated equipment, test benches, pressure systems, and other electrically controlled fluid systems.
Specialized equipment often has a fixed installation space. In those cases, the connection position, mounting arrangement, body shape, and internal structure can become important. Huiyuan has long experience with special non-standard valve products and can discuss customized designs according to customer requirements.
Before delivery, we carry out relevant performance, sealing, and appearance inspections. For customized products, the inspection plan can be matched to the agreed technical requirements.
I would mainly consider this type of valve for applications where fluid control is demanding enough to justify a specialized design.
Aerospace equipment often combines strict weight limits, compact installation areas, complex fluid systems, and demanding environmental conditions. Titanium alloy can be attractive when the material's characteristics fit the system.
Commercial rockets and satellite systems are creating more demand for specialized fluid control components. We develop valves and fluid control systems for commercial aerospace applications, with the final design based on the specific system requirements.
This is one of the applications I find particularly suitable for customized valves. A test bench may need to switch, isolate, pressurize, or release different sections of a fluid circuit. The valve must work as part of the whole test process, not just as an individual component.
Research equipment often has unusual requirements. The working medium may be different from common industrial fluids. The pressure range may be unusual. The valve may need a special connection or a small installation envelope.
Our experience with non-standard valves is especially useful in these situations because we can discuss the engineering problem instead of forcing every project into a standard model.
Other possible applications include specialized machinery, pneumatic control systems, fluid test systems, nuclear power equipment, shipbuilding equipment, and other systems where electrically controlled high pressure fluid isolation is required.
Application
Source: Huiyuan product and application information supplied for this page. Application suitability must be confirmed against the actual system specification.
Titanium valve manufacturing requires good process control. Titanium alloys are valuable materials, but they also need careful machining and handling. For a high pressure valve, small details in dimensions and sealing surfaces can have a big effect on final performance.
My approach is to start with the working conditions and then work backward to the valve design. Before manufacturing, we need to understand the fluid, pressure, temperature, electrical signal, connection, installation space, operating frequency, sealing requirement, and required tests.
We review the customer's drawing, specification, fluid information, pressure conditions, electrical requirements, and installation requirements. If the customer does not yet have a final drawing, we can discuss the preliminary concept.
The required titanium alloy grade and other materials are confirmed according to the application. Sealing materials are also selected according to the working medium and temperature conditions.
The valve body and other metal components are machined according to the approved design. Critical dimensions and sealing surfaces receive particular attention.
The machined components, sealing parts, solenoid components, and internal valve parts are assembled according to the production requirements.
Before shipment, the finished product is inspected for relevant performance, sealing, and appearance requirements. Additional tests can be discussed for customized projects.
After final inspection, the valve is protected for transportation. Depending on the product size and weight, we can use cartons, wooden cases, pallets, or other suitable packaging. Moisture and shock protection are considered to help keep the product safe during transport.
This process is deliberately practical. We do not want the customer to receive a valve that looks good on paper but is difficult to integrate into the actual equipment.
I think our strongest point is experience with difficult valve projects.
Xi'an Huiyuan Instrument Valve Co., Ltd. has been involved in fluid control for decades. Our company has developed from a dedicated solenoid valve background into a manufacturer covering solenoid valves, electric control valves, pneumatic control valves, pressure reducing valves, and special non-standard valves.
We have served customers in aerospace, commercial spaceflight, nuclear power, military-related applications, shipbuilding, and research institutes. We also provide customized valve and testing system solutions for research equipment.
That experience changes the way I handle a new project. Instead of immediately asking, "Which catalog model do you want?", I prefer to ask, "What is the valve expected to do?"
Once I know the application, we can discuss the right structure, material, connection, control method, and inspection requirements.
Decades of experience in fluid control valve manufacturing
Experience with aerospace and commercial spaceflight applications
Specialized non-standard valve development
Technical development, manufacturing, and technical service in one company
Performance and sealing inspection before delivery
Flexible production for standard and customized requirements
Experience supporting research institutes and test systems
Protective packaging for domestic and international transportation
Our company reports holding or having passed ISO 9001:2015, CE, SIL3 mandatory safety, and 3C-related certifications as described in our corporate information. Certification scope should always be checked against the exact product and current certificate before a customer uses it as a compliance statement for a specific project.
ISO describes ISO 9001 as a quality management system standard covering the establishment, implementation, maintenance, and continual improvement of a quality management system. [3]
If you are buying a valve for a high pressure system, I recommend preparing the following information before asking for a quotation. It saves time on both sides.
Requirement
Source: Huiyuan engineering and product selection practice. These are recommended information fields for technical evaluation, not fixed specifications of the product.
If you already have a drawing, send it to us. If you do not, a simple list of pressure, medium, temperature, voltage, connection, and installation dimensions is often enough for the first technical discussion.
It means the valve has two basic operating positions and two main fluid ports. In a common application, the two positions are open and closed, allowing the valve to switch a fluid path on or off.
Titanium alloy can be useful when the application needs a combination of relatively low density, good mechanical properties, and corrosion resistance. The correct titanium grade depends on the actual working conditions.
The product is intended for ultra high pressure applications, but the exact allowable pressure must be confirmed for the specific design. Pressure capability depends on the valve structure, materials, sealing system, connection, temperature, fluid, and qualification tests.
Yes. Aerospace and commercial spaceflight are important application areas for our specialized fluid control products. We can discuss the required material, pressure, fluid, electrical control, installation, and testing conditions.
Yes. Customized non-standard valves are one of our key areas. We can discuss customized dimensions, connections, materials, electrical interfaces, sealing systems, and other project requirements.
The suitable fluid depends on the final valve design and material selection. Please tell us whether the medium is a gas, liquid, fuel, oxidizer, process fluid, or another special medium. We will evaluate material and sealing compatibility before recommending a configuration.
Yes. We have experience providing customized valves and fluid control solutions for experimental testing equipment. For a test bench, we normally review the pressure sequence, fluid path, control logic, valve cycle, connections, and installation space.
Lead time depends on the valve model, material, dimensions, quantity, customization level, and testing requirements. Standard products can usually be delivered faster, while special titanium alloy valves require a production schedule based on the approved technical solution.
We carry out relevant performance, sealing, and appearance inspections before delivery. For customized projects, additional inspection items can be agreed according to the customer's technical requirements.
We normally consider moisture and shock protection during transportation. Depending on valve size and weight, cartons, wooden cases, pallets, or other suitable packaging can be used.
Yes. A drawing is helpful, but it is not always necessary for the first discussion. Please provide as much information as possible about the working medium, pressure, temperature, voltage, connection, installation space, and required valve function.
A Two Position Two Way Ultra High Pressure Titanium Alloy Solenoid Valve is not a product I would select by looking at one number on a catalog page. For demanding fluid control, the complete operating condition matters.
I want to know the fluid, pressure, temperature, electrical signal, connection, installation space, sealing requirement, operating cycle, and qualification requirements. Once these points are clear, we can decide whether a standard design is suitable or whether a customized valve is the better solution.
With decades of experience in fluid control and a long history of developing special non-standard valves, Huiyuan can support customers from the first technical discussion through manufacturing, inspection, and delivery.
If you are looking for a titanium alloy solenoid valve, ultra high pressure solenoid valve, two way two position solenoid valve, or a customized aerospace solenoid valve, send us your requirements.
A drawing is welcome, but a simple specification is also enough to start. Tell us what fluid you need to control, the pressure you expect, the temperature range, the electrical control voltage, and the connection you need. We can then discuss the most suitable valve solution with you.
Important specification note: Material properties, pressure ratings, temperature ranges, flow rates, electrical parameters, leakage limits, service life, and qualification status for a specific valve must be confirmed against the approved product drawing, technical specification, inspection plan, and applicable certificates. The reference material data above is provided for engineering context and does not constitute a guaranteed specification of this product.
Common designation | Ti-6Al-4V | Also known as ASTM Grade 5 | |
Aluminum content | 6% | ASTM Grade 5 designation | |
Vanadium content | 4% | ASTM Grade 5 designation | |
Typical density | 4.42 g/cm³ | Reference value for a specific Ti-6Al-4V product | |
Elastic modulus at room temperature | 107 to 122 GPa | Varies with material condition and source | |
Weight | Relatively low density | Generally higher density | Important when equipment weight is limited |
Corrosion resistance | Very good in many environments | Depends strongly on grade and environment | Working fluid must be considered |
Mechanical strength | High for many titanium alloys | Varies by grade | Important for pressure-bearing parts |
Machining | Requires controlled machining practices | Usually familiar to many machine shops | Affects manufacturing cost and process control |
Typical project cost | Often higher | Often lower | Depends on grade, size, quantity and design |
Aerospace | Weight, environment, reliability, fluid control | Complete system requirements | |
Commercial spaceflight | Pressure, material compatibility, size | Fluid and operating envelope | |
High pressure test bench | Switching, sealing, repeatability | Test sequence and pressure conditions | |
Research equipment | Special dimensions and customized design | Drawing or preliminary specification | |
Special machinery | Control method and installation | Electrical and mechanical interfaces | |
Working medium | Determines material and sealing compatibility | ||
Normal pressure | Defines normal operating conditions | ||
Maximum pressure | Important for pressure-bearing design and testing | ||
Temperature range | Affects materials, seals, and electrical components | ||
Electrical voltage | Required for solenoid configuration | ||
Normally open or normally closed | Defines the required default valve state | ||
Port and connection type | Ensures mechanical compatibility with the system | ||
Installation dimensions | Ensures the valve can fit the equipment | ||
Operating frequency | Helps evaluate repeated switching requirements | ||
Leakage requirement | Defines the required sealing performance | ||
Qualification requirements | Ensures testing matches the project |
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