Air Operated Diaphragm Valve, Sanitary Tank Bottom Type

Reference: SV-4PTB
Sizes available: 3/4" to 4"
End connection: tri-clamp, or butt-weld
Body material: ASTM A351 CF3M (1.4435) as default, AISI 316L Forged Body (1.4435), ASME BPE 316L, or 1.4435-BN2 (316L) Fe<0.5% Forged Body
Body structure: tank bottom
Seat: EPDM+PTFE
Max. working pressure (default): Normally closed, EPDM=87psi (6bar), PTFE=65psi (4.5bar) / Normally open and double action, EPDM=116psi (8bar), PTFE=87psi (6bar)
Max. working pressure (option): Normally closed EPDM=116psi (8bar), PTFE=87psi
Temperature range: -22°F to 266°F/ (-30 to 130℃), or higher upon request
Operation: plastic or stainless pneumatic actuator, NC/NO/AA type for choose from
Actuator air pressure: 58-102psi (4-7bar)
Surface treatment: Ra 16 ~ 32µin (0.4 ~ 0.8µm), Ra 25µin as default.
INQUIRY

APPLICATION

SV-4PTB series is a sanitary air operated diaphragm valve, tank bottom design. The valve is is designed for use at the bottom of a tank or vessel to drain or sample while minimizing the interior sump and preventing any dead leg for bacteria or microorganism entrapment.

TECHNICAL DATA

Body Material ASTM A351 CF3M (1.4435) as default, AISI 316L Forged Body (1.4435), ASME BPE 316L, or 1.4435-BN2 (316L) Fe<0.5% Forged Body
Seat Material  (diaphragm) EPDM+PTFE
Seat Material  (diaphragm) OPTION Single EPDM, EPDM+PTFE (2-piece), Viton (FPM)
End Connections butt-welded, sanitary tri-clamp
Max. Working Pressure Normally closed EPDM 87psi (6bar), PTFE 65psi (4.5bar) as default
Normally closed EPDM 116psi (8bar), PTFE 87psi (6bar) as option
Normally open and double action EPDM 116psi (8bar), PTFE 87psi (6bar)
Working Temperature -22°F to 302°F/-30 to 150℃ (Depending on Seal Material) (Stainless Actuator)
-22°F to 266°F/-30 to 130℃ (Depending on Seal Material) (Plastic D27Actuator)
Internal Finish Ra 16 ~ 32µin (0.4 ~ 0.8µm), Ra 25µin as default.
External Finish Ra 16 ~ 32µin (0.4 ~ 0.8µm), Ra 32µin as default.
Pneumatic Actuator Types plastic actuator or stainless actuator
Actuator Operation Types 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.
Actuator air pressure 58 ~ 102psi (4 ~ 7bar)
Units for intelligent control and indication Proximity Switches (position sensor)
Limit Stroker
C-top control
IL-top control (Positioner)

DESIGN FEATURES

Design Features

● Unique seal design, no dead angles
● EHEDG certified sealing concept
● Stainless steel bonnet with sanitary internals
● Sanitary surface finish, available with Ra < 0.4µm or EP (SF1 and SF4)
● Manual handle, pneumatic actuator are interchangeable
● A wide selection of body types for choose from, U type/T type/Multiport
● 100% hydraulic tested / 100% inspected
● Standards: ASME BPE, 3A, DIN, ISO / IDF
● Certificates: 3A, FDA, PED 97/23/EC

Operations

● Handles
Plastic handwheel
Stainless handwheel
● Actuators
Pneumatic plastic actuator
Pneumatic stainless steel actuator
Electric actuator
● Units for intelligent control and indication:
Proximity Switches (position sensor)
Limit Stroker
C-top control
IL-top control (Positioner)

SELF-EMPTYING INSTALLATION

SELF-EMPTYING INSTALLATION

DIMENSIONAL DRAWINGS

GET A QUOTE

    Our sales team will reply within 24 hours
      Product
      Size*
      Quantity*
      End Connection
      Body Material
      Seat Material
      Your Name*
      Your Email*
      Your Phone Number
      Your Company
      Special Requirements