Sempell Model 802 Swing Check Valve with Power Assist


SizeDN 350 - 800, NPS 14 -32
Pressureup to PN160, up to class 900
Body sealingSelf sealing, cover sealing
Shaft sealingMolded graphite packing rings
Closure time< 2 sec.
MaterialBody: SA217WC6
Shaft: 1.4122 nitriding Disc
lever = Hardfacings: 1.4115
Bearing sleeve 1.8550 nitriding
Leakage classLeakage rate 2 acc. To DIN3220 pa
Leakage classLeakage rate 2 acc. To DIN3220 part 3 or IEC 534 part 4, Class IV, test course 2, medium L
ConnectionWelding ends acc. to EN/DIN and ASME