Adamant Valves

- Model AV-4P - Sanitary Pneumatic Diaphragm Valves

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Application AV-4P series is pneumatic sanitary diaphragm valve, which is widely used in food, beverage, dairy, brewing, pharmaceutical industries, etc. The valve is excellent for flow control as well as for open/close duties. Materials Materials: AISI-316L Size: 1/4''-2'' Diaphragm: EPDM + PTFE The seal materials comply with FDA177.2600 standard. Using proprietary technology, the diaphragm uses a combination of EPDM and PTFE, which is secured using SS bolts. The sealing part where contact with the medium is of PTFE material, it has good cold resistance -13°F (-25°C), excellent heat-resistance 482°F (+250°C), tolerance to most chemicals, and excellent abrasion resistance to medium flow. Standard Design Standards: DIN, 3A, SMS, ISO / IDF, BS / RJT, ASME / BPE. The parts mainly include: a pneumatic head, diaphragm and valve body which are assembled together with bolts and nuts. The body can be two ways or three ways. End connections: butt-welded, sanitary clamp, or others upon request

Sanitary Pneumatic Diaphragm Valves

This model falls into the Diaphragm Valve category, with general features shown as below.

 

Application

AV-4P series is pneumatic sanitary diaphragm valve, which is widely used in food, beverage, dairy, brewing, pharmaceutical industries, etc. The valve is excellent for flow control as well as for open/close duties.

Materials

Materials: AISI-316L
Size: 1/4''-2''
Diaphragm: EPDM + PTFE 

The seal materials comply with FDA177.2600 standard. Using proprietary technology, the diaphragm uses a combination of EPDM and PTFE, which is secured using SS bolts. The sealing part where contact with the medium is of PTFE material, it has good cold resistance -13°F (-25°C), excellent heat-resistance 482°F (+250°C), tolerance to most chemicals, and excellent abrasion resistance to medium flow.

Standard Design

  • Standards: DIN, 3A, SMS, ISO / IDF, BS / RJT, ASME / BPE.
  • The parts mainly include: a pneumatic head, diaphragm and valve body which are assembled together with bolts and nuts. The body can be two ways or three ways.
  • End connections: butt-welded, sanitary clamp, or others upon request
  • Body type: T-type tee, U type tee, Mini type, tank bottom type, etc.

 

Technical Specification

  • Size available: 1/4', 1/2', 3/8', 3/4', 1', 1 1/2', 2', 2 1/2', 3'
  • Max. working pressure: 147psi (10bar)
  • Temperature range: 14 ~ 248°F (-10 ~ 120°C), EPDM
  • End connections: butt-welded, sanitary clamp, T-type tee, U type tee, Mini type and tank bottom type, etc.
  • Inside polishing: Ra 16 ~ 32µin (0.4 ~ 0.8µm)
  • Diaphragm available: EPDM+PTFE / EPDM / Silicon / FPM (Viton)

 

Technical Parameters

Steel material

Product wetted parts

AISI 316L / 304 forged
(1.4404 / 1.4306)

Provided with material inspection report

Other steel parts

AISI 304

Seal material

Standard

EPDM+PTFE

All seal materials comply with FDA 21CFR117.2600

Options

VMQ

Pressure

Working pressure

0 ~ 10bar (0 ~ 145psi)

Control air pressure

5 ~ 8bar (70 ~ 120psi)

Temperature

Working temperature

EPDM: 14 ~ 248°F (-10 ~ 120°C)
VMQ: -58 ~ 356°F (-50 ~ +180°C)
FPM: -22 ~ 446°F (-30 ~ +230°C)

Sterilization temperature

302°F (150°C, Max. 20 min)

Surface treatment

Inside surface treatment

Ra 16 ~ 32µin (0.4 ~ 0.8µm)

Outside surface treatment

Ra 32 ~ 63µin (0.8 ~ 1.6µm)

Connection

The welding diameter

Welding ends: 
DIN 11850-2 with 11850-1 / SMS / 3A / ISO Series, etc.

End connections: butt-welded, sanitary clamp, T-type, U-type or others upon request.

Pneumatic control

Normally Closed (NC) - Air to open and spring to close; 
Normally Open (NO) - Air to close and spring to open;
Air to Air (AA) - Air to open, air to close.

 

Optimal Installation Angle

 

Due to the structure feature, 15° ~ 30° is the optimal angle for installation,which makes complete drainage after cleaning and keeps no residue.

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