A594 double disc check valve is suitable for various pipelines with nominal pressures ranging from PN10 to PN420, or Class 150 to Class 2500. It accommodates nominal diameters from DN15 to DN1200, or NPS 1/2 to 48. The valve operates within a temperature range of -196°C to 540°C and is used to prevent medium backflow. By selecting different materials, the wafer check valve can handle various media, including water, steam, oil, nitric acid, acetic acid, strong oxidizing agents, and urea, in industries such as petrochemical, metallurgy, electric power, light industry, and food processing.
Product Specification
| Material | SS304/316/304L/316L ( CF8/CF8M/CF3/CF3M), WCB, WCC, LCB,LCC,WC6,WC9, C5,C12, etc |
| Size | 2''~24'' ( DN50~DN600) |
| Thread standard | ISO9001 & CE, TS |
| Type | Wafer Type |
| Working Pressure | 150LB/300LB/600LB/900LB/1500LB |
| Applicable standard | API 594, API 6D, standards |
| Working Temp. | -29~425ºC, or according to customer requirements for different industry. |
| Suitable Medium | Water, Natural Gas, Oil and some corrosive liquid |
| Inspection & Testing | According to API598/DIN3230 |
| Delivery Time | 15~20 Days |
| Package | Standard Exporting Plywood Case |
| Shipping Port | Ningbo/Shanghai, China |
| Shipping Terms | Exw, FOB, CFR, CIF, etc. |
| Payment Terms | T/T, Western Union, PayPal, etc. |
| 30% prepayment, 70% balance paid before shipping or against copy of BL | |
| Country of Origin | Wenzhou city, China |
| Production Capacity | 6000 ton/year |
| MOQ | 10 PCS/size |
api 594 dual plate check valve
FAQ
Q1: Can I order valve samples?
A1: Yes, we welcome sample orders to test and check the quality. Mixed samples are acceptable.
Q2: Do you have a minimum order quantity (MOQ) limit for valve orders?
A2: We have a low MOQ; 1 piece is available for sample checking.
Q3: How do you ship the valves, and how long does it take to arrive?
A3: We usually ship by sea, which takes about 30 days to arrive. Air transportation is also an option.
Q4: How do I order valves?
A4: First, let us know your requirements or applications.
Second, we will provide a quote based on your requirements or our suggestions.
Third, customers confirm the samples and pay the deposit for the formal order.
Fourth, we arrange production.
Q5: Do you offer a guarantee for the products?
A5: Yes, we offer a 1-year warranty on our products.
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