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1. Question: What is the pressure rating for the "DN40~DN800 Pn1.0/1.6mpa GGG40 Wafer Check Valve"? Answer: The pressure rating is Pn1.0/1.6mpa. 2. Question: Does the "Check valve single disc ss316 wafer type 5k 4"" support customization? Answer: Yes, it supports OEM customization. 3. Question: What type of power is used for the "PN16 ANSI DIN Cast Iron Body Ductile Iron Stainless Steel Dual Plate Check Valve Wafer Type"? Answer: It uses hydraulic power. 4. Question: What is the warranty period for the "DN40~DN800 Pn1.0/1.6mpa GGG40 Wafer Check Valve Water TWS General Ss 316 Wafer Type Disc Check Valve Manual Temperature Check"? Answer: The warranty period is 3 years. 5. Question: What types of media are the listed disc check valves designed to regulate? Answer: They are designed to regulate water. 6. Question: Are the "Cast Iron wafer type single disc check valve" models identical in their specifications? Answer: Yes, the specifications listed for the "Cast Iron wafer type single disc check valve" models appear to be identical. 7. Question: What temperature of media can the "DN40~DN800 Pn1.0/1.6mpa GGG40 Wafer Check Valve" handle? Answer: It can handle low, normal, and medium temperatures. 8. Question: What is the application scope for the "PN16 ANSI DIN Cast Iron Body Ductile Iron Stainless Steel Dual Plate Check Valve Wafer Type"? Answer: Its application scope is general. 9. Question: What type of structure do all the listed disc check valves have? Answer: All the listed disc check valves have a check structure. 10. Question: Is manual operation available for all the listed disc check valve types? Answer: Yes, except for the "PN16 ANSI DIN Cast Iron Body Ductile Iron Stainless Steel Dual Plate Check Valve Wafer Type" which uses hydraulic power, all others support manual operation.