Flange knife gate valve has a knife-shaped beveled cut at the bottom of the flat plate with the function of cutting off the medium, so that the valve closure is not blocked by the medium. This valve is generally used for pulp, coal ash, chemical raw materials, sewage, food and other media circulation opening and closing. Pressure range are generally used within 1.6MPa, the temperature is generally used below 120 ℃, high temperature can also be used instead of special materials.
Product Specification
| Size Range | NPS2~NPS24,DN50~DN600 |
| Nominal pressure | Class 150 /PN10/PN16 |
| Applicable Temperature | 0~200ºC |
| Connection Type | Flange,wafer |
| Disc | Carbon steel+ceramic,stainless steel+ceramic |
| Seat | ceramic |
| Pressure test | GB/T13927, API598 |
| Face to Face | GB/T12221, ASME B16.10 |
| Flange standard | GB/T9113,ASME B16.5,JIS B2220 |
| Operating Type | Manual,Electric,Pneumatic |
Flanged Knife Gate Valve
FAQ
1.Can I have a sample order for valve?
A: Definitely Yes. We welcome your sample order for test and quality check. Mixed samples are acceptable.
2: We are interested in your products?
A : In order to recommend you suitable products, please provide detail information, like size, material, pressure, model.
3: Is the requirement for MOQ?
A: For some small size, like 2''-48''(DN50-DN1200), it request the MOQ is 50pcs for each size. Generally speaking, it depends on your order.
4 : How about the warranty?
A: The warranty time is 12 months after leaving our factory. We can repair or change because of the quality problems.
5 : Payment
A : Mainly T/T, Payment Term: 30% prepayment, 70% balance paid before shipping or against copy of BL.
6: Can you manufacture different standards valves according to customer requirements?
A : Yes. We can manufacture API,DIN,GOST standards for different pressure & temperature & size according to different needs.
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