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ARC Valves

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BogenventilFields of applications

LIAGarc valves have been designed to meet the high demands of process engineering applications. LIAGarc valves are particularly suited for viscous/pasty products and fluids containing solid particles on account of a totally clear passage, as well as easy and thorough cleaning in place.

This valve series thus provides optimum conditions for a wide variety of pigging system applications. By virtue of their simplicity of design and minimum number of components and wearing parts, arc valves are characterized byhigh hygiene, low maintenanceandsafe operation.

Features

  • No dead pockets
  • CIP/SIP capability (EHEDG certified)
  • Totally clear passage - no pressure loss
  • No product remainders or sticking of solid particles
  • Designed to be passed with LIAGsiilicone lip pigs
  • Minimum number of components and wearing parts
  • Can be completely dismantled even when welded in place
  • Optionally with 3-A approval / FDA


BogenventilOperating positions

2-way arc valve
2Wege-bogenventil.gif
3-way arc valve
3Wege-bogenventil.gif



Technical Data Overview

Nominal sizes:
DIN DN25 - DN 150 / SMS DN25 - DN102 / Inch 1" - 6"
Materials:

Inox parts in contact with product:
Other inox parts:
O-ring seals:
Shutter:

AISI 316L (1.4404 / 1.4435)
AISI 304 (1.4301)
EPDM, FPM (Viton) FEP, other grades upon request
Hostaflon(PTFE TFM1600)

Surfaces:

In contact with product:

Ra ≤ 0,8 m (Ra ≤ 32in)

Temperature:

Operating temperature:
Short-term:

110C (230F)
140C (284F) - Optional bis 160C (320F)

Operating pressure:

Pressure behind arc:
Pressure against arc:

10 bar (145 psi) - Optional bis 20 bar (290,1 psi)
3 bar (43,5 psi)

Versions:
  • 2- / 3- / 4-way
  • Version with 4-20mA control (mechanical or digital linerarization)
Valve connection:

Welded ends:
Male ends:
Clamp connection:

DIN, Inch (SMS, ASTM)
DIN 11851, SMS 1145
Tri-Clamp

Further options:
  • Shutter material; alternatively glass-fiber reinforced Teflon (GL25), Techtron, Tecapeek
  • Heated version
  • Leakage control of moving O-ring seal / steam barrier with ball-bearing supported selector shaft
  • Combination of different types of connection
  • Delivery and adaptation to actuators of different manufacture per Namur DIN ISO 5211
  • 3-A approval / FDA

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