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Tangential Valves

ASEPCO Weirless Radial-Diaphragm™
Tangential Valves

Do you have a vessel that has a mixer or other equipment mounted in the center of the vessel head? …If so, you need a Tangential Valve.

Tangential ValveFeatures & BenefitsSpecificationsDatasheet & Resources
Asepco Radial-Diaphragm Tangential Valve - full and cut views side by side
We developed the ASEPCO Weirless Radial-Diaphragm Tangential Valve specifically for situations where a valve needs to be mounted off-center on the vessel head. This design is completely drainable in an off-set position and it retains all the standard benefits of an ASEPCO Weirless Radial-Diaphragm valve.
Valve sizes: 0.5″, 1.0″, 1.5″, 2.0″, 2.5″, and 3.0″

Tangential valve with callouts

  • The only truly flush diaphragm tank valve
  • Has no pocket, unlike other designs
  • Welds flush to tank bottom—eliminates gaskets, bolts, and seams
  • Meets ASME code requirements
  • Delivered with material test reports (MTRs)
  • Serialized and stamped with a unique heat number
  • Uses a simple clamp for disassembly and inspection, needs no tools
  • Uses a Radial-Diaphragm design—reliable seal, easily cleanable
  • Saves 85% of routine maintenance cost over weir valves, forever
Material 316L, AL6XN, Hastelloy
Machined from solid, hot-rolled, bar stock
Surface Finish Max 20 Microinch Ra (0.5 um Ra), electropolished
Max 15 Microinch Ra (0.375 um Ra), electropolished
Max 10 Microinch Ra (0.25 um Ra), electropolished
Sizes 1 inch, 1.5 inch, 2 inch, 2.5 inch, 3 inch
Outlet Connections Standard: Hygienic clamp or tube end (others available)
Maximum Pressure (valve body pressure only)
ASME vessels: 250 psi (17 bar)
PED vessels: 175 psi (12 bar)
Maximum Temperature Varies from 135°C/275°F to 260°C/500°F depending on diaphragm material
Marking Each valve is marked for full material traceability
ISO All products and procedures are governed by our ISO Quality Assurance Program
Standards BPE, CE-PED, ASME
Actuators Manual or compact pneumatic, fail open or closed
Diaphragms Silicone, Silicone Plus, EPDM, EPDM Plus, Viton, PTFE

For the complete specifications, reference the ASEPCO Tangential Valve Datasheet.

For a printable version of this web page that includes the product information, features & benefits, specifications, and drawings, download the PDF.

pdf-download-icon ASEPCO Weirless Radial-Diaphragm™ Tangential Valve Datasheet


We specialize in customization. Please contact our Customer Service Department for any non-standard product requirement (800) 882-3886.