Straightway design

DUV 510, 520

Dimensions

DN 50 - 800

Nominal pressure

PN 16 - 250

Temperature

530 ┬░C

Actuator

pneum., electr., manual

Application

  • steam cooling

Standard

  • Connection: flange DN 15-600, butt-weld ends
  • Design: stem injection, seat injection, 2-phase nozzle
  • Characteristic: equal percentage, linear or modified
  • Rangeability: 25:1
  • Seat leakage: IV, V
  • Trim: perforated plug/seat combination
  • Body material: cast or forged
  • Trim materials: SS 316, 316L
  • Rapid replacement system for seat and plug
  • Stem sealing: Graphite/Inconel, Graphite, Graphite/PTFE
  • Actuator: pneumatic, electric, manual

Options:

  • Dimension up to DN800
  • Special trim design
  • Integrated strainer
  • Flush protection parts
  • Pressure test seat
  • Drainage connection
  • Safety requirements (DIN EN 12952-10 or TRD421 and SIL2)
  • Dump tube
  • Special materials and connections