Sanitary Stainless Steel Hygienic Tri Clamp Check Valve
- Model:
- JOV-CH001-11
- Place of Origin:
- Wenzhou, China
- Packing:
- Suitable Packing for Sea/Air Transport
- Quantity:
- 100000 PCS Per Year
- Payment:
- T/T, L/C, Western Union
- Medium:
- Water, Oil
- Material:
- SS304/SS316L
- Connection:
- Welding
- Specification:
- 1"-4"
- Gasket:
- EPDM/SILICON/NBR
A sanitary check valve is an automatic inline backflow prevention device engineered for sterile process lines, utilizing line differential pressure rather than external actuation to permit forward media progression while stopping reverse stream migration. Operating through calibrated internal spring tension or gravitational closure, the unit protects upstream pumping equipment against hydraulic surge pressures, eliminates vacuum collapse, and shields isolated loops from cross-contamination.
Cracking Pressure Calibration Across Hygienic Check Valve Runs
Piping system stability requires matching process media viscosity with disc spring resistance. In a hygienic check valve, an internal spring retains an elastomeric seat against the orifice until upstream line pressure exceeds the opening threshold, typically calibrated between 0.05 and 0.30 bar. Mismatched spring resistance causes flow flutter, disc chatter, and cavitation, whereas matched spring loading secures instantaneous shutoff before reverse pressure waves trigger severe hydraulic shock.
Welded Joint Integrity in Stainless Steel Sanitary Check Valves
Permanent butt-weld connections establish hermetic seals across continuous high-pressure tubing. While a detachable tri clamp check valve allows rapid line disassembly during inspections, welded stainless steel sanitary check valves eliminate elastomer joint creep, exterior leak paths, and mechanical crevice corrosion under severe thermal shifts.
Automatic orbital welding creates seamless internal bore transitions, matching adjacent tube geometry without residual bead intrusion.
Processing Connection Profiles and Thermal Sterilization Resistance
| Joint Design | Internal Seat Polymer | Continuous Line Rating | Drainage Suitability |
|---|---|---|---|
| Full Orbital Butt Weld | Fluorocarbon FKM | 16 Bar Pressure Limit | Horizontal Line Alignment |
| Aseptic Threaded Union | Ethylene Propylene EPDM | 10 Bar Pressure Limit | Offset Axis Configuration |
| Sanitary Flange Clamp | Virgin PTFE Fluoropolymer | 8 Bar Pressure Limit | Vertical Upflow Direction |
Self-Drainage and Surface Topography in High-Purity Installations
Preventing bacterial stagnation requires complete gravitational liquid removal after production cycles. Installing eccentric configurations aligns the bottom valve boundary flush with connecting sanitary tubing, discharging residual wash solutions without pooling. Internal contact surfaces receive mechanical polishing and subsequent electropolishing to reach surface finishes below Ra 0.8 micrometer, preventing biofilm accumulation and ensuring complete clean-in-place effectiveness without line dismantling.
Product Description
| Product Name: | Sanitary Check Valve |
| Material: | SS304 or SS316L |
| Standard: | 3A, SMS, DIN, RJT, IDF |
| Size: | 19mm - 200mm or DN15-DN100 |
| Connection Way: | Weld |
| Seal Material: | Silicone, EPDM, Viton, NBR |
| Surface Finishing: | Ra≤0.8 |
| Working Temperature: | -10 degree to +120 degree (EPDM) |
| Opening Pressure: | 0.3 Bar (DN-25), 0.2 Bar (DN-32/40),0.1Bar(DN-50/100) |
| Packing Details: | within carton box or plywood case |
| Applied Industries: | Dairy, Cosmetic, Pharmaceutical, Food and Beverage Industries |
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