ST-Series Dual Function Ball Check Valve
Dual function ball check and isolation valve (MI) for slurry, chemical, sand and pulp service.
Carbon Steel Stainless Steel 316 Duplex
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Check Valve
Dual plate, ball and swing check valves with accessories for backflow prevention.
23 products found
ST-Series Automatic Ball Check Valve
Automatic ball check valve (TC) for light duty dewatering, water treatment and wastewater.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® PVC Flanged Check Valve
PVC flanged check valve 2"–24" for corrosive chemical and water service at low temperature.
Cast Iron Class 150 Corrosive Fluid
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JSZHUCAI® 210/212 Wafer Check Valve
Wafer style dual plate check valve 1"–60", compact and lightweight, for backflow prevention.
Cast Iron Carbon Steel Stainless Steel 316
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JSZHUCAI® 205 Wafer Check Valve
High pressure wafer check valve 2"–60", ASME Class 150–2500, for oil and gas and high pressure water.
Carbon Steel Stainless Steel 316 Class 300
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JSZHUCAI® Dual Plate Check Valve (Stainless)
Stainless steel dual plate check valve for corrosive and high purity service.
Stainless Steel 304 Stainless Steel 316 Class 150
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JSZHUCAI® Dual Plate Check Valve (Coated Disc)
Dual plate check valve with nylon coated disc for water and industrial backflow prevention.
Cast Iron Ductile Iron Class 150
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JSZHUCAI® Wafer Check Valve (Stainless Body)
Stainless body wafer check valve for chemical and process backflow prevention.
Stainless Steel 316 Class 150 Class 300
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JSZHUCAI® H-100 Check Valve
Wafer check valve with external spring, hydraulic damper and counterweight for fluctuating flow.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-3 Check Valve (Lever & Spring)
Check valve with external lever and spring providing additional closing force for fast flow.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-01 Check Valve (Limit Switch)
Check valve fitted with limit switch for remote indication of disc position in automated systems.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-1 Check Valve (Position Indicator)
Check valve with external position indicator showing open/closed disc position.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-2 Check Valve (Backwash Lever)
Check valve with backwash lever for manual operation and disc position indication.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-4 Check Valve (Lever, Spring & Weight)
Check valve with external lever, spring and counterweight for flexible closing time control.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-4A Check Valve (Position Indicator)
Check valve with external position indicator for open/closed disc indication.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-6 Check Valve (Fusible Plug)
Check valve with emergency closing fusible plug for fire-safe fail-safe protection.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-7 Check Valve (Strainer)
Check valve with integrated strainer filtering debris to protect downstream pumps.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-10 Check Valve (Double Counterweight)
Check valve with dual counterweight for low flow applications such as blowers.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-16 Check Valve (Lever & Weight)
Check valve with external lever and counterweight to adjust opening pressure and closing characteristics.
Carbon Steel Stainless Steel 316 Class 150
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JSZHUCAI® SA-40 Check Valve (Compression Spring)
Check valve with external compression spring and handle to close rapidly and prevent water hammer.
Carbon Steel Stainless Steel 316 Class 150
Request a quote → JSZHUCAI® SA-40A Check Valve (Spring, Lever & Weight)
Check valve with external compression spring, lever and counterweight for combined adjustable closing.
Carbon Steel Stainless Steel 316 Class 150
Request a quote → JSZHUCAI® SA-50 Check Valve (Hydraulic Damper)
Check valve with hydraulic damper, compression spring, lever and counterweight for severe flow fluctuation.
Carbon Steel Stainless Steel 316 Class 150
Request a quote → Dual Plate Check Valve (General Service)
Dual plate check valve for general backflow prevention in water, oil and gas lines.
Cast Iron Carbon Steel Stainless Steel 316
Request a quote → About Our Check Valve
We manufacture and export check valve for industrial and construction applications worldwide. Every unit is produced in our own facility under a documented quality control process, with material certificates and inspection reports available on request.
Whether you need a single trial unit or a bulk order for a large project, our sales engineers will help you select the correct specification, confirm lead time and arrange shipping to your port.