Diaphragm valves Zero Dead leg valve body

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Diaphragm valves Zero Dead leg valve body


  • Compact design with zero dead leg
  • Top entry design
  • Optimum security against microbial growth
  • CIP/SIP capable and crevice free
  • Zero dead leg and self draining capabilities
  • Fully Autoclavable
  • Various internal surface finish available each with less than 0.40 Ra


Series 45 pneumatically operated Zero Dead Leg (ZDL)valve has a flow-optimized stainless steel body, a diaphragm, and actuator.The stainless steel body is available with a various surface finish.The diaphragm is both a switch as well as a sealing element for the media. It is easily replaceable.An actuator is provided for the protection of diaphragm and for opening and closing actuation of the valve.Two inlet ports allow media to continuously flow in the loop. Due to this special feature, dead legs are virtually eliminated at the inlet port and when the valve is opened one can get clear uncontaminated media free from bacterial growth or other contaminants.The outlet valve can also be used as drain port during sterilization.

Product Specs

Connection Size
1”, 1½”,2”

Rated Air Pressure
6 Bar(g)

MOC –Wetted(Contact)
ASTM A351 CF3M (SS 316L)

MOC –Non-wetted (Non-contact)
Polyamide or ASTM A351 CF8(SS304)

Seal material

Neutral gases and liquids, high purity,
sterile, aggressive or abrasive fluids

Up to viscous

Surface finish
Mechanical or Electro Polish

Media temperature
EPDM -10°C to +75°C
PTFE -10°C to +90°C

Ambient temperature
Up to +90°C

Sterilization temperature
EPDM Briefly up to +130°C
PTFE Briefly up to +150°C

End connections •V-band (Hygienic) Clamp •Butt-Weld
-EN ISO 1127/ISO 4200 and BS 4825 are available on request

With both inlet ports in the upright position

Installation for self-draining mounting
Tilted 10°to 35°to the horizontal and inclined 3°to 5°to the direction of flow

Locking function available with polyamide bonnet


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