Ductile Iron Rubber Single Door Check Valve Flap Non Return Valve

1.The valve flow is streamlined,low resistance.
2.The open-close part is control by medium itself to prevent backflow.
3.Products can be used in a variety of piping flange and flange standard and flange seal type,to meet a variety of engineering needs and user requirements.
4.Bundor company specialized intentions since 1994, has a professional production, sales, research, after-sales team, is your strong backing of sales and use.
5.The thickness of valve body wall is up to standard.
The valve body wall thickness meets the requirement of GB 26640, the thickness is up to the standard, and the pressure strength is guaranteed.
6.The product has an independent identity to ensure traceability.
Each Bundor product has its own QR code mark, unique identification number, to ensure product traceability.
7.Provide material inspection report.
All Bundor products can provide the material inspection report of the main parts.
8.As for the products of Bundor, they are insured by the Pacific insurance company with the quality of 10 million yuan, and the warranty lasts for 2 years. If they are damaged within two years, they will be compensated for the product's quality problem without any conditions.
| Name | Body | Bonnet | Disc | Spring |
| Material | DI | DI | DI | SS304 |
| DN | L | D | D1 | C |
| 50 | 200 | 165 | 125 | 18 |
| 65 | 213 | 185 | 145 | 18 |
| 80 | 238 | 200 | 160 | 20 |
| 100 | 292 | 220 | 180 | 20 |
| 125 | 326 | 250 | 210 | 22 |
| 150 | 358 | 285 | 240 | 22 |
| 200 | 495 | 340 | 295 | 24 |
| 250 | 620 | 405 | 355 | 26 |
| 300 | 692 | 460 | 410 | 28 |
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Q:When the products will be shipped ?
A:Within 7-15 days after receing the prepayment.
Q:Do you have OEM service ?
A:Yes . A variety of products size , quality and quantity can be cutomized according to your needs.
Q:Could you offer a free sample ?
A:Yes , samples can be proveded for free.
Q:How can I pay for the products ?
A: We accept a variety of payment methods. Such as T/T , L/C,D/P ,Western Union , Paypal ,Trade Assurance.
Q: How do you deal with that if there are some quality problems in products?
A: We will be responsible for all the quality problems.
Q:Are you a facrory or trade company ?
A: We are a factory with 24 years experience in valve research and production .
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