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Products Valves ITT Diaphragm Valves Diaphragm valve ITT Pure-Flo® Zerostatic Back to Back sample valve
Zerostatic Back to Back sample valve


Product description

The ZSBBS process production is a modification of the normal zero static T-piece. An integral valve at the rear of the valve allows access to a tapping port located upstream of the zero static T-piece. This sampling port is used for sampling in the main process stream. The sampling valve normally has a 0.5" Bio-Tek or Pure-Flo valve.

The integral sampling valve significantly reduces contact areas, holding volume and deadlegs compared to standard sampling valves welded to the outside of a standard Zero Static valve. The ZSBBS is a basic component of a piping system required to meet the demanding L/D ratios proposed in the ASME BPE standard.


Zerostatic Back to Back sample valve

Execusion valvebody
  • wrought
Material
  • 316L ASTM - A479
  • DIN 177440, 1.4435
  • AL6XN
  • Hasteloy C-22 & C-276

* Other Materials upon request

Surface quality
Ra internal = 0.8 - 0.28µm
Dimensions

0.5" - 4" (DN 15 - 100) Main line

0.25" - 2" (DN 8 - 50) Valve line

0.5" Samplevalve
* Other sizes upon request

Endconnections

Standard

  • Buttweld ends ISO / DIN / ASME
  • Tri-Clamp ISO / DIN / ASME

Special endconnection upon request

Topworks
  • manual
  • pneumatic
Documents
ZSBBS Brochure
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Drawings
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Request