Sondex Series Steel Heat Exchanger Spares 0.5mm Plate for Heat Exchanger

Our Sondex Series 0.5mm heat exchanger plates are precision-engineered, 100% interchangeable replacement spare parts, exclusively designed for the full range of Sondex gasketed plate heat exchangers (PHEs). Manufactured with premium steel and special alloy materials, strict 0.5mm thickness tolerance control, and optimized herringbone corrugation structure, our plates deliver industry-leading heat transfer efficiency, exceptional corrosion resistance, and long-term stable sealing performance. They are the ideal cost-effective replacement solution for original Sondex heat exchanger plates, widely used in HVAC, food & beverage, chemical, petrochemical, power, marine, and industrial heat exchange systems worldwide.

• All plates are 1:1 molded based on original Sondex official drawings and high-precision 3D laser scanning data of genuine plates, with fully consistent dimensions, corrugation structure, port size, positioning holes, and sealing groove design.
• Direct installation without any modification to the original Sondex heat exchanger frame, plate assembly, and tightening parameters, eliminating installation risks and equipment damage.
• Fully compatible with original Sondex heat exchanger gaskets, ensuring zero internal leakage and stable sealing performance under cyclic pressure and temperature changes, and can be mixed with original Sondex plates in the same heat exchanger unit.

• Strict thickness tolerance control of ±0.02mm for the 0.5mm steel plate, using high-precision cold-rolled steel coils from internationally renowned steel mills, ensuring uniform wall thickness and consistent heat transfer performance across the entire plate surface.
• Optimized 30° (soft plate, low pressure drop) / 60° (hard plate, high heat transfer) herringbone corrugation design, which forms high turbulence of the medium at low flow velocity, maximizes heat transfer coefficient, eliminates heat exchange dead zones, and improves heat transfer efficiency by 3-5% compared with ordinary replacement plates.
• 0.5mm ultra-thin design minimizes thermal resistance, further enhances heat transfer performance, and reduces the weight of the plate assembly, suitable for high-efficiency, compact heat exchange system requirements.

• We provide a full range of material options in strict accordance with ASTM, EN, and ASME international standards, covering all common and harsh working conditions of Sondex heat exchangers.
• All materials have passed third-party authoritative material composition testing and corrosion resistance testing, with complete mill test certificates (MTC EN 10204 3.1) for full material traceability.

• Adopting 12,000-ton high-precision CNC hydraulic stamping process, one-time forming without secondary stretching, avoiding internal stress concentration and material fatigue, ensuring consistent corrugation depth and flatness of each plate.
• Each plate undergoes 6 strict inspection procedures: raw material incoming inspection, mold precision verification before mass production, 100% dimensional full inspection after stamping, hydraulic pressure test, penetration flaw detection, and final factory inspection.
• Excellent resistance to pressure shock, thermal cycling, and corrosion, effectively extending the service life of the plate, reducing the frequency of replacement and equipment shutdown loss.

• Optimized flow channel design ensures uniform medium distribution across the entire plate surface, eliminates flow dead zones and local scaling, reduces system pressure loss, and lowers pump operating power, achieving energy saving and consumption reduction.
• Anti-scaling structure design reduces the adhesion of impurities and scale on the plate surface, extending the cleaning cycle of the heat exchanger, and reducing maintenance costs.

Our 0.5mm Sondex heat exchanger plates are fully compatible with the full range of Sondex gasketed plate heat exchanger models, including but not limited to:

• S Series: S7, S8, S14, S15, S19, S20, S21, S30, S35, S37, S41, S42, S50, S62, S65, S80, S85, S100, S121, S130, S188, S200
• SF Series: SF13, SF23, SF52, SF80, SF100, SF130, SF180, SF200, SF250
• P Series: P16, P26, P32, P36, P45, P55, P85, P105, P135, P170, P205, P260
• SL Series: SL30, SL50, SL60, SL90, SL130, SL180, SL200
• SW Series: SW10, SW16, SW25, SW35, SW50, SW60, SW80, SW100
• FP Series: FP20, FP31, FP40, FP50, FP60, FP80, FP100, FP120, FP160, FP200, FP250, FP310
• FX Series: FX12, FX20, FX30, FX40, FX50, FX65, FX80, FX100, FX120, FX150
• N Series: N25, N35, N50, N70, N100, N150, N200

• HVAC & District Energy: Central heating & cooling systems, chilled water circulation, heat pump systems, district energy stations, industrial waste heat recovery
• Food & Beverage & Pharmaceutical: Milk pasteurization, beer brewing, juice concentration, CIP cleaning systems, pharmaceutical sterile heat exchange, sanitary process heating & cooling
• Chemical & Petrochemical: Acid & alkali circulation, solvent cooling & heating, petrochemical process heat exchange, flue gas desulfurization, corrosion-resistant working conditions
• Power & Energy: Power plant cooling systems, renewable energy heat exchange, boiler feed water heating, industrial waste heat recovery
• Marine & Offshore: Seawater cooling, engine jacket water cooling, offshore platform heat exchange systems, shipboard HVAC & process systems
• Pulp & Paper: Black liquor heating & cooling, pulp processing, white water circulation systems
• General Industry: Machine cooling, lubricating oil cooling, water treatment, industrial process heating & cooling, closed-loop cooling systems

We have more than 18 years of R&D and production experience in plate heat exchanger spare parts, with a dedicated technical team focusing on Sondex series products. We have a complete digital library of Sondex full-series plate drawings, and all products are strictly manufactured in accordance with original specifications. We guarantee 100% interchangeability with original Sondex plates, with zero installation risk and zero performance loss.

We have introduced 12,000-ton high-precision CNC hydraulic stamping equipment, 3D laser scanning measuring instruments, and a full set of professional testing equipment, achieving strict ±0.02mm thickness tolerance control for 0.5mm ultra-thin plates. Our one-time precision stamping process ensures uniform corrugation forming, no internal stress concentration, and consistent heat transfer performance of each plate, reaching the same performance level as original Sondex products.

We have established a strict quality management system in accordance with ISO 9001, ISO 14001, and ASME standards, with full traceability from raw material incoming to finished product shipment. All raw materials are sourced from internationally renowned steel mills, with complete mill test certificates. Each batch of products undergoes strict hydraulic pressure test, penetration flaw detection, and dimensional full inspection, ensuring that each product meets or exceeds the performance standards of original Sondex plates.

We cover all common and special material options for Sondex heat exchanger plates, from standard 304/316L stainless steel to titanium, super austenitic stainless steel, and Hastelloy special alloys, and are compatible with almost all Sondex plate heat exchanger models on the market. We can provide matching gaskets, complete plate bundle replacement kits, installation guidance, and maintenance technical support, providing you with a one-stop solution for Sondex heat exchanger maintenance and replacement.

We have a complete global supply chain system, with a large stock of standard Sondex models and common materials, ensuring fast delivery of sample and bulk orders. We have stable cooperative logistics channels, exporting to more than 60 countries and regions around the world, including Europe, North America, Southeast Asia, the Middle East, and South America, and can provide door-to-door delivery services to meet your urgent procurement needs.

Our professional technical team provides 7*24 hours online service, which can quickly respond to your material selection, model matching, installation, maintenance and other technical problems. We can provide customized solutions according to your specific working conditions, medium parameters, and heat exchange requirements, including custom plate thickness, corrugation angle, material, and surface treatment, to meet your personalized needs.

Our Sondex series plates have the same performance and service life as the original Sondex products, but the price is only 35-60% of the original, which greatly reduces your heat exchanger maintenance and replacement cost. At the same time, our high-precision forming and anti-scaling design extends the service life and cleaning cycle of the plates, reduces the frequency of equipment shutdown and maintenance, and further reduces your total cost of ownership throughout the product life cycle.

Yes. All our Sondex series plates are 1:1 manufactured based on original Sondex official drawings and high-precision 3D scanning data of genuine plates, with fully consistent dimensions, corrugation structure, port size, positioning design, and sealing groove. They can be directly installed on your Sondex plate heat exchanger without any modification, fully compatible with original Sondex gaskets, frames, and assembly parameters, and can be mixed with original Sondex plates in the same unit.

The 0.5mm ultra-thin plate has lower thermal resistance, which can significantly improve the heat transfer coefficient of the heat exchanger, achieving higher heat exchange efficiency with the same heat exchange area. At the same time, the 0.5mm plate has lighter weight, which reduces the overall load of the heat exchanger frame, and is more suitable for high-efficiency, compact heat exchange systems. We also provide 0.4mm-1.0mm thickness options to meet the needs of different pressure and harsh working conditions.

We provide a full range of material options in strict accordance with ASTM, EN, and ASME international standards, including standard AISI 304, AISI 316L stainless steel, Titanium Gr1/Gr2, Ti-Pd Gr7/Gr11, 254SMO, AISI 904L, Hastelloy C276, and other special alloy materials. All materials come with original mill test certificates (MTC EN 10204 3.1) and third-party material inspection reports.

Our MOQ is 1 piece, and we fully support sample orders for testing and verification before bulk purchase. For standard Sondex models and common materials (304/316L), the sample lead time is 3-5 working days, and bulk order lead time is 7-15 working days. For special materials and custom models, the lead time will be confirmed according to the specific requirements.

We have a strict full-process quality control system, and each plate undergoes 6 core inspection procedures:

1. Raw material incoming inspection (material composition, mechanical properties, thickness tolerance)
2. Mold precision verification before each production run
3. 100% dimensional full inspection after stamping (dimensional tolerance, corrugation depth, flatness)
4. Hydraulic pressure test (1.25 times the design pressure, 30 minutes holding, no leakage)
5. Penetration flaw detection (to check for micro cracks and forming defects)
6. Final factory inspection before shipment

All products are ISO 9001 certified, and we provide a complete set of quality inspection reports with each shipment.

Yes. We provide an 18-month quality warranty for all our heat exchanger plates under normal operating conditions in accordance with the recommended material selection and design parameters. During the warranty period, if there is any quality problem such as non-human-induced leakage, material defects, or forming failure, we will provide free replacement or corresponding compensation according to the actual situation.

Yes. We support full OEM and ODM custom services. You can provide us with the original plate drawing, physical sample, or complete heat exchanger model, and our professional R&D and technical team will complete mold design, stamping production, and full performance testing to ensure 100% matching of the custom plates with your Sondex heat exchanger.

Yes. We can provide fully compatible EPDM, NBR, HNBR, FKM/Viton, food-grade gaskets for all Sondex heat exchanger models, which are perfectly matched with our plates. We can provide a one-stop solution of plate + gasket complete set for your heat exchanger maintenance and replacement, reducing your procurement cost and communication time.