SOSHH Snap-In Clear TPU Collection Blanking Socks (Oversize Sifter Bins & Pipeline Caps)
Accumulating oversize debris, foreign matter, and agglomerates on screener discharge ports traditionally requires clumsy buckets, taped bags, or heavy clamped metal bins that leak dust and slow down cleanouts. SOSHH Snap-In Clear TPU Collection Blanking Socks provide a hygienic, 100% dust-tight, and liquid-tight collection receptacle. Manufactured from high-transparency, ether-based polyurethane (FDA 21 CFR 177.2600 compliant), these socks allow operators to monitor fill levels instantly without opening the process stream. The top snap-in cuff locks into standard SOSHH and industry-standard spigots in under 30 seconds without tools, providing a completely crevice-free transition that meets strict cGMP cleanroom standards.
![SOSHH snap-in clear TPU collection blanking sock installed on vibratory sifter oversize discharge port]()
Technical Image Caption: Transparent 1.0mm ether-TPU collection sock with integrated snap-in cuff mounted directly to a stainless steel spigot, providing 100% visual monitoring and tool-free disposal of sifter oversize debris.
Engineered for Sifter Rejects and Sanitary Pipeline Blinding
When circular or rectangular vibratory sifters discharge oversize materials, maintaining containment is essential. Standard collection bags secured by hose clamps pinch into folds, creating powder accumulation pockets and leaking airborne dust during continuous vibration.
SOSHH clear blanking socks are thermally welded with a reinforced flat or radiused bottom base. The smooth cylindrical wall ensures gravity drop without material bridging, while the snap-fit top band maintains an airtight seal against oscillating vibration. Operators can inspect debris accumulation in real time and snap the bin off for cleaning or disposal in seconds.
Key Engineering Advantages
Full Optical Transparency for Real-Time Monitoring
Formulated from pure polyether-grade TPU that resists yellowing and clouding, allowing operators to visually track fill capacity and detect screen breakage immediately.
Tool-Free 30-Second Snap Installation
No screw clamps, screwdrivers, or loose fasteners. The internal snap band compresses by hand and snaps securely into the spigot groove, eliminating drop-off risks under severe shaker vibration.
100% Dust and Liquid Tight Integrity
High-frequency precision weld seams guarantee zero dust dusting during powder processing and zero liquid leakage during CIP washdown isolation.
Crevice-Free Internal Sanitary Profile
Eliminates dead zones, internal ledges, and thread crevices, preventing bacterial growth and allergen cross-contamination in food and pharmaceutical plants.
Regulatory Food Contact Compliance
Manufactured from virgin resins fully certified under FDA 21 CFR 177.2600 and EU 10/2011 food-contact standards.
Standard Size and Dimension Specifications
(Material: 1.0mm Clear Ether-TPU (040E) or 1.5mm Heavy-Duty TPU (060E) | Base: Fully Closed Sealed Bottom | Temp Range: -20 C to +90 C)
| Spigot Nominal Dia | Spigot Measurement Rule | Standard Receptacle Heights (L) | Base Construction | Compliance |
|---|
| 100 mm | 100 mm Measured Externally (OD) | 150 mm / 200 mm / 300 mm | Welded Sealed Base | FDA & EU 10/2011 |
| 125 mm | 125 mm Measured Internally (ID) | 150 mm / 200 mm / 300 mm | Welded Sealed Base | FDA & EU 10/2011 |
| 150 mm | 152 mm Measured Internally (ID) | 200 mm / 300 mm / 400 mm / 500 mm | Welded Sealed Base | FDA & EU 10/2011 |
| 200 mm | 204 mm Measured Internally (ID) | 200 mm / 300 mm / 400 mm / 500 mm | Welded Sealed Base | FDA & EU 10/2011 |
| 250 mm | 254 mm Measured Internally (ID) | 300 mm / 400 mm / 500 mm / 600 mm | Welded Sealed Base | FDA & EU 10/2011 |
| 300 mm | 304 mm Measured Internally (ID) | 300 mm / 500 mm / 600 mm | Welded Sealed Base | FDA & EU 10/2011 |
(Note: Custom lengths up to 1000 mm, bottom dump handles, and flat blanking end caps for viewing ports are available upon request.)
Target Industrial Applications
- Vibratory Sifter & Screener Oversize Collection: Captures rejected particles, agglomerates, and fibers discharged from vibrating screens.
- CIP Washdown Blind Plugs: Snaps into open pipeline ends during Clean-in-Place cycles to isolate wash water without bolting blind flanges.
- Metal Detector Rejection Bins: Mounts on secondary reject diverters to isolate contaminated powder batches for QA testing.
- Rotary Valve & Feeder Sight Windows: Installed below discharge spigots as temporary inspection chambers to check material color and flow characteristics.
Related Procurement RFQs and Technical FAQs
Q1: Can this collection sock support the physical weight of discharged powder?
Tensile and Burst Strength
Yes. SOSHH collection socks are fabricated from 1.0mm or 1.5mm high-tensile polyether TPU. The bottom circular disk is reinforced with high-frequency overlap welds capable of supporting up to 15 kg of static powder load without stretching or seam failure. For heavy bulk solids exceeding 15 kg, an external bottom support tray or shorter disposal cycles are recommended.
Q2: What is the difference between a Blanking Cap and a Blanking Sock?
Design Differences
- Blanking Cap (Shallow Sight Port): A shallow end cap (standard length 50mm to 100mm) used primarily to seal open spigots during maintenance or to act as an inspection viewing window.
- Blanking Sock (Deep Collection Bin): An extended sleeve (lengths 200mm to 600mm+) designed with holding volume to capture and store accumulating oversize particles or sampling batches.
Q3: How do operators empty the collection sock during active production?
Rapid Disposal Operation
Because installation is completely tool-free, operators can snap the cuff inward with two hands, remove the loaded sock, empty the rejected debris, and snap it back into place in under 30 seconds. For continuous processes where the spigot cannot remain open, many plants purchase dual socks to perform a 10-second swap.
Q4: Does the snap-in cuff loosen under severe vibratory screener motions?
Locking Mechanism
No. The high-rebound steel snap band seats into the machined spigot groove. Internal line pressure and powder accumulation actually push outward against the cuff, locking the seal tighter into the groove and preventing accidental dislodgement even under 3-axis continuous gyratory vibration.
Q5: Is this material resistant to sanitizing chemicals and moisture?
Hydrolytic Stability
Ether-based TPU provides hydrolytic resistance and resists microbial attack, making it suitable for wet cleaning, high-humidity food manufacturing, and alcohol-based cleanroom sanitizers without cracking or turning brittle.
