ci wafer type check valve Description
Cast iron wafer check valve is a cast iron valve body as the main material, using the wafer connection structure of the one-way flow control valve, through the valve flap automatically open and close to prevent backflow of fluids, to protect pumps, pipelines and other equipment. Typical applications include low and medium pressure water supply systems, building water supply and drainage and general industrial processes.
Core component design
Valve body material: HT200/HT250 grey cast iron, with medium corrosion resistance and economy, suitable for normal temperature, non-strong corrosive media (such as water, low pressure steam);
Valve flap type: rotary opening type or butterfly valve flap (double/single), using cast iron, bronze or stainless steel, to meet different sealing needs;
Seal form:
Elastic seal: valve seat embedded EPDM or NBR rubber ring, suitable for low pressure clean media;
Metal hard seal: valve and seat surfacing wear-resistant alloy, particle abrasion.
ci wafer type check valve specification
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Product Name |
Check Valve |
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Certificate |
ISO9001:2015 ISO14001:2015 OHSAS18001:2007 CE API |
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Standard |
BS; ANSI; DIN; JIS; API |
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OEM |
Professional OEM |
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Seal |
NBR VITON EPDM PTFE |
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Body |
Ductile Iron Cast Iron Carbon Steel Stainless Steel |
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Seat |
EPDM NBR TEFLON PTFE |
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Disc |
Ductile Iron; Cast Iron; Stainless Steel 304/316; or with EPDM/PTFE/NYLON liner |
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Stem |
SS416/410/304/316L/316; 45; Q235; 2507 |
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Actuator |
Hydraulic; Pneumatic; Manual; Electric |
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Pressure |
PN16 PN10 CLASS125 CLASS150 5K 10K |
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Surface |
Epoxy resin coating |
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ci wafer type check valve



Applications
| Industry/Systems | Examples of applications | Adaptability statement |
|---|---|---|
| Municipal water supply | Pump outlet backflow prevention | Resistant to low-pressure water corrosion, economical and practical |
| Building HVAC | Air conditioning circulating water system | Compact and space-saving installation |
| Industrial circulating water | Cooling water pipes | Suitable for normal temperature, non-corrosive media |
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