DPAX DE double sealing butterfly valve - Definox

DPAX DE double sealing butterfly valve are used in a wide variety of process and ancillary fluid applications, designed for efficient cleaning. This valve associates two inter-flanged automatic butterfly valves connected by a sleeve serving as a chamber.

DPAX DE double sealing butterfly valve

Used in numerous process and auxiliary fluid applications, the Definox butterfly valve has various grades of seals and numerous accessories which make it a polyvalent and reliable product.

Features

– Reliable and economical technology

– Quick assembly and disassembly

– Can be used for a variety of applications

– Low pressure loss and line transfer without retention

– Easy to adjust operating devices

Technical Advantages DPAX DE double sealing butterfly valve

Materials

• Half body: stainless steel 1.4404/316L
• Disc: stainless steel 1.4404/316L
• Seal: EPDM – fluorinated elastomer (FKM) or silicon
• Operating devices: stainless steel 1.4301/304

Service conditions

• Max. temperature: +120^oC / +248^oF
  (temperature depending on seal type)
• Min. temperature: 0^oC / +32^oF
• Max. working pressure:
  • 14 bar (1400 kPa)/203 psi DN 25 to DN 51
  • 12 bar (1200 kPa)/174 psi DN 63 to DN 80
  • 10 bar (1000 kPa)/145 psi DN 100
  •   8 bar (800 kPa)/116 psi DN 125 to DN 150
• Actuator air supply pressure:
  • min. 5.5 bar (550 kPa)/80 psi
  • max. 8 bar (800 kPa)/116 psi
• Vacuum resistance: 0.4 cm³/s

Specification of DPAX DE double sealing butterfly valve

Definox valves are favored by many outstanding advantages such as:

– The intermediate plug ensures double protection, even during lifting of the banning plug.

– There is no danger of mixing between two different liquids.

Thanks to the patented design of the bottom plug, any transfer of CIP solution to the opposite side of the leak chamber is prevented.

– Dimensions: SMS – SIN – US; from DN 25 (1″) to DN 150 (6″)

– Operating devices: MANUAL – DPX: right-opening standard or multiposition handle. Left-opening standard or multiposition handle. Simple adjusting handle. Micrometric handle. AUTOMATIC – DPAX: Single or double-acting valve actuator.

– Signalling equipment: Visible on single or double stainless steel bracket. Point-to-point or AS-i control unit. ICS (from DN 25 to DN 150), ACS (from DN 25 to DN 150)

– Surface conditions: RA exterior = 1.2 µ (150 grit); RA interior = 0.8 µ (180 grit)

Application of DPAX DE double sealing butterfly valve

With the above outstanding advantages, defines valves are very popular with investors in many fields such as:

– Food, pharmaceutical, chemical, and cosmetic industries

– Animal feed processing industry,…

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