FYL is a large manufacturer for industry machine in China. Straight Through Type Diaphragm Valve is one of popular products to export overseas. Our company focus on improving quality, reducing production costs, and benefiting customers. We look forward to becoming your partner and serving you sincerely.
In industrial fluid control, many customers are troubled by common problems such as fluid leakage, difficult maintenance, poor adaptability to complex media, and high operation cost. Our FYL Straight Through Type Diaphragm Valve is developed to target these pain points and provide practical solutions:
1. Eliminate Fluid Leakage Risk
The Straight Through Type Diaphragm Valve adopts a dual-seal design, where the diaphragm and valve seat fit perfectly to form a tight seal barrier, and the connection between the valve cover and the valve body is sealed with high-performance materials to achieve zero leakage even in low-pressure and normal-temperature working conditions. This avoids environmental pollution, material waste and potential safety hazards caused by fluid leakage, which is a common problem of traditional valves.
2. Simplify Maintenance and Reduce Downtime
Compared with other types of valves that require complex disassembly and professional tools for maintenance, our Straight Through Type Diaphragm Valve has a simple structure, and the diaphragm can be quickly replaced on site in a short time without disassembling the entire valve body. This reduces maintenance time by 60% and greatly reduces non-planned downtime, helping customers improve production efficiency.
3. Adapt to Complex Media and Avoid Blockage
The Straight Through Type Diaphragm Valve has a smooth straight flow channel, which can effectively avoid media deposition and blockage, especially suitable for conveying media containing particles, viscosity or weak corrosion. The diaphragm and valve body are made of high-quality corrosion-resistant materials, which can adapt to different working media and avoid valve damage caused by media corrosion, solving the problem of poor adaptability of traditional valves to complex media.
4. Reduce Operation and Procurement Costs
We optimize the production process and strictly control the cost on the premise of ensuring quality. The price of FYL Straight Through Type Diaphragm Valve is 20%-30% lower than that of imported products with the same performance. At the same time, the product has stable performance and long service life, which reduces the frequency of replacement and maintenance, and further saves long-term operation costs for customers.
Our Straight Through Type Diaphragm Valve is widely used in various industrial fields that require reliable fluid cut-off control. It is especially suitable for the following customers and scenarios, helping you quickly find the matching solution:
1. Water Conservancy and Sewage Treatment Plants
For customers engaged in water supply, sewage treatment and water conservancy projects, the Straight Through Type Diaphragm Valve can be used to cut off the flow of water, sewage and sludge, with good anti-blocking performance and corrosion resistance, adapting to the harsh working environment of sewage treatment.
2. Chemical Industry Enterprises
In chemical production, it is often necessary to convey weak corrosive media, chemical solutions and media containing small particles. The Straight Through Type Diaphragm Valve can effectively isolate the media from the driving parts, avoid corrosion of the valve internal structure, and ensure stable production.
3. Food and Beverage Industry
For food and beverage processing enterprises, the Straight Through Type Diaphragm Valve has a smooth and non-dead-angle flow channel, which is easy to clean and meet the food hygiene standards. It is suitable for cutting off the flow of raw materials, finished products and cleaning fluids.
4. Electric Power, Petroleum and Environmental Protection Fields
In electric power plants, petroleum processing and environmental protection projects, the Straight Through Type Diaphragm Valve can be used to control the flow of cooling water, lubricating oil, waste gas treatment media, etc., with stable performance and long service life, adapting to the long-term continuous operation needs of industrial sites.
5. OEM Manufacturers and Project Contractors
We provide OEM customization services, which can customize the Straight Through Type Diaphragm Valve according to the specific requirements of customers, including size, material and connection mode, to meet the supporting needs of different equipment and projects.
In the fierce market competition, FYL has won the trust of global customers with unique advantages. Compared with other manufacturers, our Straight Through Type Diaphragm Valve has obvious differences and core competitiveness:
1. Strict Quality Control System (Data Supported)
We have established a full-process quality control system from raw materials to finished products: (1) Raw material control: Select stainless steel and other materials that meet international standards, and each batch of raw materials undergoes composition and mechanical property testing, with a qualification rate of 100%; (2) Workshop production: Our 6,000㎡ workshop is equipped with 2D automatic forming machines, laser welding machines and other automated equipment, with professional inspectors conducting real-time patrol inspections, ensuring the forming accuracy and welding strength of the Straight Through Type Diaphragm Valve; (3) Pre-shipment testing: Each batch of products must pass load-bearing, drop and salt spray tests, with a qualified rate of 99.8%, ensuring that the products meet international industry standards.
2. Customization Capability Covering Multiple Scenarios
Unlike other manufacturers that only provide standard products, we have a professional R&D and design team that can provide customized solutions for the Straight Through Type Diaphragm Valve according to the customer's specific working conditions (such as media type, pressure, temperature) and requirements. We have completed more than 1,000 customized projects, with a customer satisfaction rate of 98%.
3. Cost-Effective and Short Delivery Cycle
As a direct manufacturer, we eliminate intermediate links, so that the price of the Straight Through Type Diaphragm Valve is more competitive. At the same time, we optimize the production schedule and have a mature supply chain, so the delivery cycle of standard products is 3-7 days, and the delivery cycle of customized products is 15-20 days, which is 30% shorter than the industry average.
4. Global After-Sales Service Network
We have established cooperative after-sales service points in Europe, America, the Middle East, Southeast Asia and other regions where our products are exported. We provide 7×24-hour online technical consultation and after-sales support. For product quality problems, we will respond within 24 hours and provide solutions, which is more timely than other manufacturers' after-sales service.
China FYL Straight Through Type Diaphragm Valves are linear motion valves, bidirectional, for stopping the flow of the service fluid when necessary, not being suitable for regulation purposes. Valves close by turning the handwheel clockwise.



|
SIZE |
Nominalpressure |
Workingpre ssure |
Maiin Size |
||||
|---|---|---|---|---|---|---|---|
|
DN |
IN |
Mpa |
Mpa |
L |
D |
D1 |
Z-Ød |
|
20 |
3/4 |
1.0 |
1.0 |
117 |
105 |
75 |
4-14 |
|
25 |
1 |
127 |
115 |
85 |
4-14 |
||
|
32 |
1¼ |
148 |
140 |
100 |
4-18 |
||
|
40 |
1½ |
159 |
150 |
110 |
4-18 |
||
|
50 |
2 |
190 |
165 |
125 |
4-18 |
||
|
65 |
2½ |
216 |
185 |
145 |
4-18 |
||
|
80 |
3 |
254 |
200 |
160 |
8-18 |
||
|
100 |
4 |
305 |
220 |
180 |
8-18 |
||
|
125 |
5 |
0.6 |
356 |
250 |
210 |
8-18 |
|
|
150 |
6 |
406 |
285 |
240 |
8-22 |
||
|
200 |
8 |
521 |
340 |
295 |
8-22 |
||
|
250 |
10 |
0.4 |
635 |
395 |
350 |
12-22 |
|
|
300 |
12 |
749 |
445 |
400 |
12-22 |
||