Wafer check valve is also called counterflow valve, check valve, back pressure valve, and one-way valve. This type of valve automatically opens and closes by the force generated by the flow of the medium in the pipeline. It is an automatic valve. Wafer check valve is suitable for various pipelines with nominal pressure PN1.0MPa～42.0MPa, Class150～2500; nominal diameter DN12～1200mm, NPS1/2～48; working temperature -196～540℃, used to prevent Medium flow back. By selecting different materials, it can be used in various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea.
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Test |
100% quantity tested before delivery |
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Guarantee |
12 months from date of shipment or Negotiable |
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MOQ |
1 Set |
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Sample |
Available |
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Color |
Customer required or manufacturer default |
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Packing |
Plastic bag wrapped inside, seaworthy wooden case outside |
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Certificate |
API6D, CE, TUV, ISO9001, ISO14001, ISO45001, Mill Test Certificate |
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Country of Origin |
Zhejiang, China |
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HS Code |
848180 (universal), 8481804090 (China) |
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Port |
Shanghai or Ningbo |
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Payment Terms |
T/T, L/C, Western Union |
Size Table
| Model | Size | DN | d | D | D1 | H |
|---|---|---|---|---|---|---|
| SCVS-050 | 2" | 50 | 32 | 96 | 84 | 14 |
| SCVS-065 | 2-1/2" | 65 | 40 | 110 | 96 | 14 |
| SCVS-080 | 3" | 80 | 54 | 128 | 117.5 | 14 |
| SCVS-100 | 4" | 100 | 70 | 156 | 148 | 18 |
| SCVS-125 | 5" | 125 | 92 | 187 | 166 | 18 |
| SCVS-150 | 6" | 150 | 114 | 213 | 197 | 20 |
| SCVS-200 | 8" | 200 | 154 | 267 | 249 | 22 |
| SCVS-250 | 10" | 250 | 200 | 328 | 310 | 26 |
| SCVS-300 | 12" | 300 | 230 | 375 | 358 | 30 |
Wafer Check Valves
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