1/2-16” Pressure Rating:125-200 psi Straight Through Diaphragm Valve
1/2-16” Pressure Rating:125-200 psi Straight Through Diaphragm Valve
Straight Through Diaphragm Valve
Sizes:1/2-16” (DN15-400)
Applicable temperature: ≤85℃, ≤100℃, ≤120℃, ≤150℃(according to lining and diaphragm material)
Pressure Rating:125-200 psi
Body Materials:Grey Iron * Ductile Iron * Cast Steel * Stainless Steel * FeCr * Monel
Applicable temperature: ≤85℃, ≤100℃, ≤120℃, ≤150℃(according to lining and diaphragm material)
Pressure Rating:125-200 psi
Body Materials:Grey Iron * Ductile Iron * Cast Steel * Stainless Steel * FeCr * Monel
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Straight Through Diaphragm Valve

SJ through diaphragm valves are designed for leak-proof control of abrasive and corrosive liquids, suspensions, pulps and pulp. The compact design complies with ASME/ANSI B16.10 standards. Interchangeable with most solid wedge, double disc and elastic wedge gate valves as well as short plug and ball valves. By design, SJ can achieve zero runaway emissions. The diaphragm can be easily replaced online. The straight-through design also facilitates cleaning the valve with a brush or rod. A sealed valve cover is also available as an option

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- Industrial/municipal water supply and wastewater
- might
- chemic
- Mining, minerals and metals
- Pulp and paper
- Industrial process
- Cement industry
- The sugar and alcohol industries
SJ manual flanged diaphragm valve is one of our core diaphragm valves for harsh corrosive media. The key valve diaphragm isolates the operating mechanism from process fluid, avoiding medium contamination and protecting internal components. Featuring cast iron body and full rubber lining, this diaphragm valve performs well for acid, alkali, slurry and sewage medium. Flanged connection ensures stable installation; handwheel manual operation supports accurate on‑off and flow control. Zero leakage, easy disassembly and diaphragm replacement reduce your operating cost. Suitable for chemical processing, wastewater treatment, power station, mining and other industrial systems. SJ supports custom sizes and material options to match your project requirements.
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