Sanitary Tri Clamp Tank Bottom Zero Dead Valve
- Model:
- JOV-DHPS-22
- Brand:
- J&O
- Material:
- SS316L
- Connection:
- Clamped
- Gasket:
- EPDM+PTFE/EPDM
- Working Temperature:
- -20°~+120°
- Working Pressure:
- 0-10Bar
- Operation:
- Pneumatic
- Payment:
- T/T, L/C, Western Union
A sanitary diaphragm valve isolates process streams from atmospheric conditions using a flexible elastomeric membrane compressed directly against an internal weir. This construction eliminates mechanical shaft packing, prevents fluid traps, satisfies strict ASME BPE drainability mandates, and guarantees absolute process containment during automated Clean-in-Place (CIP) and Steam-in-Place (SIP) cycles.
Sanitary Clamp Assembly and Gasket Boundary Alignment
Rapid line dismantling during regular maintenance depends on connection geometry. Installing a tri clamp diaphragm valve permits rapid disassembly while avoiding mechanical flange distortion.
Matching ferrule profiles compress elastomeric gaskets without intrusion into the process stream. Internal flow surfaces maintain an electropolished finish below 0.4 micrometers Ra, eliminating microscopic crevices that could harbor biofilm colonies across transfer lines.
Actuator Shell Metallurgy and Cleanroom Exposure Resilience
Heavy washdown cycles and chemical sanitization demand rugged pneumatic operator construction. Choosing all-stainless steel operator housings prevents premature surface degradation in aggressive processing areas:
| Actuator Casing Metal | Yield Strength | Vaporized Hydrogen Peroxide Tolerance | Surface Finish Rating |
|---|---|---|---|
| AISI 304 Stainless Steel | 215 MPa | High resistance to repeated exposure | Smooth electropolished, Ra under 0.8 um |
| AISI 316L Stainless Steel | 290 MPa | Superior resistance to acidic vapours | Mirror electropolished, Ra under 0.4 um |
| Cast Bronze Alloy | 140 MPa | Degrades under alkaline washing agents | Rough sand-cast, unprotected grain |
Electropolished stainless steel actuator bonnets eliminate paint chipping and surface flaking during pressurized sanitizing spray operations. High structural strength maintains pneumatic piston alignment under severe pipeline vibration.
Loop Stagnation Control and Branch Line Elimination
Process circulation headers and injection water distribution circuits require minimal hold-up volumes. Integrating a forged zero dead valve directly onto distribution loops eliminates fluid hold-up along lateral connection points.
Monoblock forged designs eradicate internal weld lines, maintaining fluid velocity and shortening flushing sequences during scheduled process switchovers.
Process Vessel Drainage and Complete Residual Recovery
Formulation vessels and product receivers require free gravity clearance during emptying cycles. Bolted or welded directly against dished heads, a tank bottom diaphragm valve aligns the weir plane flush with internal tank floors.
This contour eliminates stagnant product pockets between the vessel outlet and the primary seal, ensuring rapid liquid discharge and zero contamination carryover across batch sequences.
Technical Data
| Valve Body Material: | SS316L |
| Seal Material: | EPDM+PTFE/ EPDM |
| Mex working pressure: | 10Bar |
| Max. Working Temperature: | 120 degree C |
| Availably size: | 1"-4", DN25-DN100 |
| Availably connection: | Clamp, weld |
| Availably standard: | 3A/DIN/SMS/RJT/ISO/IDF |
| Operated: | Pneumatic |
Product Parameter

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