WTA® Compact Valves with Bellows Type 11.9

WTA® cost effective bellows sealed globe valve for media with aggressive characteristics

Features And Benefits

  • Stem with internal roll-formed stem thread and rising hand wheel
  • Multiple wall, fully flushed stainless steel bellows, designed for 10,000 cycles
  • Metal back seat and stroke limiter
  • Full size safety gland packing made of pure graphite
  • Stainless steel cam profiled bonnet gasket coated with pure graphite, mounted in tongue and groove bonnet flanges

Technical Details

MATERIALS OF CONSTRUCTION

  • Carbon steel 1.0619/WCB
  • Stainless steel 1.4408/CF8M
  • Other materials are available upon special request

SIZE RANGE

  • DN 15-125
  • Other sizes are available upon request

PRESSURE RATINGS

  • PN 16-40

BODY CONFIGURATION

  • Straight type, Y-type

SPECIAL OPTIONS

  • Soft sealing and regulating piston

Applications

For various media with inflammable, explosive, volatile or aggressive characteristics, whose emission into the atmosphere must be prevented.

Certificates


  • Permissible working pressure acc. EN 1092 part 1
  • Face-to-face dimension acc. EN 558-1, EN 12982
  • Inspection and testing acc. EN 12266
  • Design in accordance with TA-Luft
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