Rubber valve back valve

Nominal diameter: DN50 ~ 600mm
Nominal pressure: PN1.0 ~ 1.6MPa
Medium: Water and weak corrosive fluid
Suitable temperature: 0 ~ 80 ℃
Flange Standard: GB / T17241.6, GB / T 9113
Test standards: GB / T13927, API598
	
The main part material
| 
				 Part Name  | 
			
				 Body  | 
			
				 cap  | 
			
				 Disc  | 
		
| 
				 material  | 
			
				 cast iron  | 
			
				 cast iron  | 
			
				 Steel + reinforced nylon cloth  | 
		
	
The main specifications
| 
				 Model  | 
			
				 Nominal pressure PN (MPa)  | 
			
				 Seal test pressure (MPa)  | 
			
				 Shell test pressure (MPa)  | 
			
				 Maximum working pressure (MPa)  | 
			
				 Medium insulation  | 
		
| 
				 H44X-10  | 
			
				 1.0  | 
			
				 1.1  | 
			
				 1.5  | 
			
				 1.0  | 
			
				 0-80 ° C  | 
		
| 
				 H44X-16  | 
			
				 1.6  | 
			
				 1.76  | 
			
				 2.4  | 
			
				 
					  | 
		
The main dimensions (flange connection size according to the provisions of GB4216)
| 
				 Model  | 
			
				 DN  | 
			
				 L  | 
			
				 D  | 
			
				 D1  | 
			
				 dn  | 
			
				 n  | 
		
| 
				 H44X-10 16  | 
			
				 50  | 
			
				 203  | 
			
				 165  | 
			
				 125  | 
			
				 17.5  | 
			
				 4  | 
		
| 
				 65  | 
			
				 216  | 
			
				 185  | 
			
				 145  | 
			
				 17.5  | 
			
				 4  | 
		|
| 
				 80  | 
			
				 241  | 
			
				 200  | 
			
				 160  | 
			
				 17.5  | 
			
				 8  | 
		|
| 
				 100  | 
			
				 292  | 
			
				 220  | 
			
				 180  | 
			
				 17.5  | 
			
				 8  | 
		|
| 
				 150  | 
			
				 356  | 
			
				 285  | 
			
				 240  | 
			
				 22  | 
			
				 8  | 
		|
| 
				 200  | 
			
				 495  | 
			
				 240  | 
			
				 295  | 
			
				 22  | 
			
				 8  | 
		|
| 
				 250  | 
			
				 622  | 
			
				 395  | 
			
				 350  | 
			
				 22  | 
			
				 12  | 
		|
| 
				 300  | 
			
				 698  | 
			
				 445  | 
			
				 400  | 
			
				 22  | 
			
				 12  | 
		|
| 
				 350  | 
			
				 787  | 
			
				 505  | 
			
				 460  | 
			
				 22  | 
			
				 16  | 
		|
| 
				 400  | 
			
				 914  | 
			
				 565  | 
			
				 515  | 
			
				 22  | 
			
				 16  | 
		|
| 
				 450  | 
			
				 978  | 
			
				 615  | 
			
				 565  | 
			
				 26  | 
			
				 20  | 
		|
| 
				 500  | 
			
				 978  | 
			
				 670  | 
			
				 620  | 
			
				 26  | 
			
				 20  | 
		|
| 
				 600  | 
			
				 1295  | 
			
				 780  | 
			
				 725  | 
			
				 30  | 
			
				 20  | 
		


No.31011802002466

