Equipment for nuclear power plants

Hydraulic shock absorbers

Hydraulic shock absorbers are designed to limit movements of equipment and piping associated with Loop 1 of nuclear power plants when impacted by seismic and emergency dynamic loads.

 

 

 
 

 

Technical characteristics:

  • Safety class: 2Z (2З)  under Norms and Regulations-001-97 (НП-001-97);
  • Seismic  stability category: I under Norms and Regulations-031-01 (НП-031-01);
  • Main material: steel 38HN3MFA (38ХН3МФА) per GOST 4543-71;

 

Characteristic

Р-5

Р-10

Р-20

Р-50

Р- 100

Р-1 70

Р-300

Р-450

Maximum load supported, not to exceed, kN

49,0

98,1

196,2

490,5

981,0

1667,7

2943,0

4414,5

Dimensions:

 

— length, mm

1041

1120

1560

1425

1447

1470

1750

2100

— width, mm

198

240

315

380

415

445

478

525

— height, mm

225

241

305

366

425

485

643

580

Mass, kg

48

70

165

233

357

486

670

836