
         
| 
				公称通径 Nominal Diameter  | 
			
				外径 Outside diameter  | 
			
				中心至端面 Center to End  | 
		|||||
| DN | NPS | 
				A系列 Series A  | 
			
				B系列 Series B  | 
			
				A系列 Series A  | 
			
				B系列 Series B  | 
			C | M | 
| D1 | D2 | ||||||
| 15×15×15 | 1/2×1/2×1/2 | 21.3 | 18 | 21.3 | 18 | 25 | 25 | 
| 15×15×10 | 1/2×1/2×3/8 | 21.3 | 18 | 17.3 | 14 | 25 | 25 | 
| 15×15×8 | 1/2×1/2×1/4 | 21.3 | 18 | 13.7 | 10 | 25 | 25 | 
| 20×20×20 | 3/4×3/4×3/4 | 26.9 | 25 | 26.9 | 25 | 29 | 29 | 
| 20×20×15 | 3/4×3/4×1/2 | 26.9 | 25 | 21.3 | 18 | 29 | 29 | 
| 20×20×10 | 3/4×3/4×3/8 | 26.9 | 25 | 17.3 | 14 | 29 | 29 | 
| 25×25×25 | 1×1×1 | 33.7 | 32 | 33.7 | 32 | 38 | 38 | 
| 25×25×20 | 1×1×3/4 | 33.7 | 32 | 26.9 | 25 | 38 | 38 | 
| 25×25×15 | 1×1×1/2 | 33.7 | 32 | 21.3 | 18 | 38 | 38 | 
| 32×32×32 | 1.1/4×1.1/4×1.1/4 | 42.4 | 38 | 42.4 | 38 | 48 | 48 | 
| 32×32×25 | 1.1/4×1.1/4×1 | 42.4 | 38 | 33.7 | 32 | 48 | 48 | 
| 32×32×20 | 1.1/4×1.1/4×3/4 | 42.4 | 38 | 26.9 | 25 | 48 | 48 | 
| 32×32×15 | 1.1/4×1.1/4×1/2 | 42.4 | 38 | 21.3 | 18 | 48 | 48 | 
| 40×40×40 | 1.1/2×1.1/2×1.1/2 | 48.3 | 45 | 48.3 | 45 | 57 | 57 | 
| 40×40×32 | 1.1/2×1.1/2×1.1/4 | 48.3 | 45 | 42.4 | 38 | 57 | 57 | 
| 40×40×25 | 1.1/2×1.1/2×1 | 48.3 | 45 | 33.7 | 32 | 57 | 57 | 
| 40×40×20 | 1.1/2×1.1/2×3/4 | 48.3 | 45 | 26.9 | 25 | 57 | 57 | 
| 40×40×15 | 1.1/2×1.1/2×1/2 | 48.3 | 45 | 21.3 | 18 | 57 | 57 | 
| 50×50×50 | 2×2×2 | 60.3 | 57 | 60.3 | 57 | 64 | 64 | 
| 50×50×40 | 2×2×1.1/2 | 60.3 | 57 | 48.3 | 45 | 64 | 60 | 
| 50×50×32 | 2×2×1.1/4 | 60.3 | 57 | 42.4 | 38 | 64 | 57 | 
| 50×50×25 | 2×2×1 | 60.3 | 57 | 33.7 | 32 | 64 | 51 | 
| 50×50×20 | 2×2×3/4 | 60.3 | 57 | 26.9 | 25 | 64 | 44 | 
| 65×65×65 | 2.1/2×2/1/2×2.1/2 | 73 | 76 | 73 | 76 | 76 | 76 | 
| 65×65×50 | 2.1/2×2/1/2×2 | 73 | 76 | 60.3 | 57 | 76 | 70 | 
| 65×65×40 | 2.1/2×2/1/2×1.1/2 | 73 | 76 | 48.3 | 45 | 76 | 67 | 
| 65×65×32 | 2.1/2×2/1/2×1.1/4 | 73 | 76 | 42.4 | 38 | 76 | 64 | 
| 65×65×25 | 2.1/2×2/1/2×1 | 73 | 76 | 33.7 | 32 | 76 | 57 | 
| 80×80×80 | 3×3×3 | 88.9 | 89 | 88.9 | 89 | 86 | 86 | 
| 80×80×65 | 3×3×2.1/2 | 88.9 | 89 | 73 | 76 | 86 | 83 | 
| 80×80×50 | 3×3×2 | 88.9 | 89 | 60.3 | 57 | 86 | 76 | 
| 80×80×40 | 3×3×1.1/2 | 88.9 | 89 | 48.3 | 45 | 86 | 73 | 
| 80×80×32 | 3×3×1.1/4 | 88.9 | 89 | 42.4 | 38 | 86 | 70 |