Description
| Size | DN 350 - 800, NPS 14 -32 | 
|---|---|
| Pressure | up to PN160, up to class 900 | 
| Body sealing | Self sealing, cover sealing | 
| Shaft sealing | Molded graphite packing rings | 
| Closure time | < 2 sec. | 
| Material | Body: SA217WC6 Shaft: 1.4122 nitriding Disc lever = Hardfacings: 1.4115 Bearing sleeve 1.8550 nitriding Leakage classLeakage rate 2 acc. To DIN3220 pa | 
| Leakage class | Leakage rate 2 acc. To DIN3220 part 3 or IEC 534 part 4, Class IV, test course 2, medium L | 
| Connection | Welding ends acc. to EN/DIN and ASME | 
 
				





