Food Grade Sanitary Tri Clamp Spring Check Valve
- Model:
- JOV-CH001-22
- 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:
- Clamped
- Specification:
- 1"-4"
- Gasket:
- EPDM/SILICON/NBR
A sanitary check valve is an automatic inline backflow prevention device constructed for hygienic processing systems, functioning through line differential pressure rather than external power to permit forward flow while instantaneously blocking reverse product migration. Utilizing spring-assisted disc displacement or gravity reseating, the assembly protects upstream pumping systems from hydraulic shock, eliminates vacuum collapse, and isolates product loops from cross-contamination.
Cracking Pressure Calibration Across Sanitary Spring Check Valve Runs
In-line performance requires matching fluid viscosity with disc spring rates. In a sanitary spring check valve, a calibrated internal spring maintains an elastomeric seal against the orifice until upstream fluid pressure surpasses the opening threshold, usually set between 0.05 and 0.25 bar.
Mismatched opening resistance causes rapid oscillation, disc chatter, and cavitation, whereas balanced resistance guarantees immediate closure prior to negative pressure reversal.
Aseptic Line Compliance and Elastomer Selection Profiles
| Process Interface | Internal Seal Material | Operational Flow Orientation | Working Pressure Boundary |
|---|---|---|---|
| Tri-Clamp Ferrule | Fluorocarbon FKM | Vertical Upflow Preferred | 10 Bar Maximum |
| Sanitary Union | Hydrogenated EPDM | Horizontal Axis Offset | 8 Bar Maximum |
| Eccentric Weld | Modified PTFE | Bidirectional Vertical | 16 Bar Maximum |
Clamp Joint Compression Across Tri Clamp Check Valve Installations
Routine inspection requires tool-free line access without piping distortion. Installing a tri clamp check valve allows rapid line teardown during inspection cycles while maintaining leak-free containment.
Precision machined ferrule faces distribute clamping force evenly across the elastomeric gasket, preventing mechanical crevice formation and gasket extrusion into active product streams during 140°C saturated steam sterilization.
Self-Drainage Geometries in Food Grade Check Valve Layouts
Aseptic integrity relies on complete evacuation following production runs. Positioning an eccentric food grade check valve maintains an uninterrupted horizontal bottom wall level with connecting sanitary tubing, discharging residual wash solutions without pooling.
Controlled internal surface treatment below Ra 0.8 micrometer prevents biofilm retention, securing product purity throughout automated cleaning sequences without manual line strip-downs.
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: | Clamp |
| 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 |
Product Parameter

Product Pictures





