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 Rockbell Check Valve Series - Rockbell Check Valve Series is expertly designed to provide reliable backflow prevention and unidirectional flow control across a wide range of industrial applications. Engineered with durability and efficiency in mind, these valves automatically prevent reverse flow, protecting your piping systems from potential damage and maintaining operational integrity. 
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| Model | : RB44W/H/Y | 
| Bore Size | :  NPS2”~48” | 
| Pressure | : Class 150Lb~900Lb | 
| Design Standards | : BS 1868, ASME B 16.34, API 6D, GB | 
| Model | : RBH41W/H | 
| Bore Size | :  DN15~80 mm  | 
| Pressure | : PN1.0~4.0 MPa | 
| Material | : Stainless Steel Carbon Steel, Etc | 
| Model | : RBH44W/H/Y | 
| Bore Size | :  NPS2”~36”  | 
| Pressure | : Class 900Lb~2500Lb | 
| Design Standards | : BS 1868, ASME B 16.34, API 6D, GB | 
| Model | : RB42H/Y | 
| Bore Size | :  DN25~125 mm  | 
| Pressure | : PN10~42 MPa | 
| Applicable | : Water, Steam, Etc | 
| Model | : RB77X/RB76X | 
| Bore Size | :  DN40~900 mm  | 
| Pressure | : PN1.0~2.5 MPa | 
| Material | : Stainless Steel Carbon Steel, Cast Iron | 
| Model | : RB47H | 
| Bore Size | :  DN50~300 mm  | 
| Pressure | : PN1.0~1.6 MPa | 
| Material | : Cast Iron | 
| Model | : RBQ41X | 
| Bore Size | :  DN40~350 mm  | 
| Pressure | : PN1.0~2.5 MPa | 
| Material | : Cast Iron Stainless Steel, Carbon Steel, | 
| Model | : RBY61X | 
| Bore Size | :  DN500~600 mm  | 
| Pressure | : PN1.6~6.4 MPa | 
| Material | : Cast Iron, Stainless Steel, Carbon Steel, | 
| Model | : RB71H | 
| Bore Size | : DN15~200 mm  | 
| Pressure | : PN1.0~4.0 MPa | 
| Material | : Stainless Steel, Carbon Steel, Etc | 
| Model | : RB49X | 
| Bore Size | : DN140~600 mm  | 
| Pressure | : PN1.0~2.5 MPa | 
| Material | :  Cast Iron, Ductile Iron  | 
| Model | : RB44X | 
| Bore Size | : DN40~300 mm  | 
| Pressure | : PN1.0~2.5 MPa | 
| Material | :  Ductile Iron, Cast Iron  | 
| Model | : RB41X | 
| Bore Size | : DN40~600 mm  | 
| Pressure | : PN1.0~2.5 MPa | 
| Applicable | :  Water  | 
| Model | : RBVZ | 
| Bore Size | : DN40~600 mm  | 
| Pressure | : PN1.0~2.5 MPa | 
| Applicable | :  Water  | 
| Model | : RBHQ41X | 
| Bore Size | : DN50~300 mm  | 
| Pressure | : PN1.0~2.5 MPa | 
| Applicable | :  Water  | 
| Model | : RB44FH | 
| Bore Size | : DN50~500 mm  | 
| Pressure | : PN1.0~10 MPa | 
| Applicable | :  Steam, Water, Oil Product, Etc  | 
| Model | : RBH44X | 
| Bore Size | : DN50~700 mm  | 
| Pressure | : PN1.0~2.5 MPa | 
| Applicable | :  Water | 


































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