Stainless Steel Clamped Sanitary Spring Check Valve
- Model:
- Place of Origin:
- Wenzhou, China
- Material:
- SS304/SS316L
- Connection:
- Clamped
- Gasket:
- EPDM/SILICON/NBR
- Packing:
- Suitable Packing for Sea/Air Transport
- Quantity:
- 100000 PCS Per Year
- Payment:
- T/T, L/C, Western Union
- Medium:
- Water, Oil
- Specification:
- 1"-4"
A sanitary check valve secures unidirectional flow control inside hygienic process piping, opening under positive fluid head pressure and reseating smoothly upon velocity decay to arrest reverse flow. Utilizing precision tri-clamp ferrule ends, this quick-coupling unit isolates distribution pumps from backward surge waves, prevents process fluid contamination, and eliminates vacuum formation without requiring permanent pipe weld alterations.
Dynamic Reseating Response Across Sanitary Spring Check Valve Stations
Pumping cycles with frequent starts and stops induce erratic flow deceleration. Inside an inline sanitary spring check valve, an electropolished spring maintains constant axial seating pressure against a synthetic closure disc, holding a positive seal until upstream line pressure exceeds an opening threshold between 0.05 and 0.18 bar.
Calibrated mechanical resistance dampens disc flutter during low-flow transitions, eliminating seat hammering and preventing cavitation erosion before reverse pressure waves can destabilize delicate filtration membranes.
Tri-Clamp Coupling Geometry and Gasket Containment Standards
| Clamp Ferrule Standard | Gasket Alignment Profile | Maximum Line Pressure Limit | Inspection Dismantle Time |
|---|---|---|---|
| ASME BPE Controlled Lip | Self-Centering Pocket Ridge | 10 Bar Static Line | Under Sixty Seconds |
| ISO 2852 Precision Flange | Flush Bore Toroidal Face | 12 Bar Operating Class | Two Minute Toolless Access |
| DIN 32676 Series A Face | Confined Edge Groove Form | 16 Bar Peak Boundary | Rapid Manual Teardown |
Crevice-Free Gasket Sealing in Clamped Check Valve Manifolds
Modular process lines demand frequent visual inspection and rapid seal replacement. Installing a clamped check valve allows quick disassembly without spreading neighboring pipe segments, maintaining header alignment across tight skid spaces.
Dual-bolt sanitary clamps deliver uniform circumferential torque across opposing 37-degree ferrule angles. This equalized clamping load pulls the ferrule faces together symmetrically, compressing the elastomeric gasket flush with the internal tube diameter and eliminating recessed cavities where bacteria could shelter.
Corrosion Resistance Across Stainless Steel Sanitary Check Valves
Harsh chemical washes involving heated nitric acid and sodium hydroxide challenge wetted metal surfaces. Fabricated from low-carbon AISI 316L alloy, stainless steel sanitary check valves demonstrate exceptional resistance to chloride pitting and intergranular stress corrosion.
Electropolished interior conduits with surface roughness below Ra 0.8 micrometer provide mirror-smooth fluid contact zones. Gravitational drain paths allow wash solutions to evacuate completely during clean-in-place cycles, ensuring pristine surface conditions across continuous production runs.
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
