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High-performance anti-static PTFE snap-in flexible connector engineered for ATEX dust explosion zones and high-temperature powder handling systems. Featuring a conductive black fluoropolymer film with continuous 316 deg C (600 deg F) thermal stability and surface resistivity under 300,000 Ohms/sq, this tool-free snap-band sleeve provides an airtight, zero-leakage seal for vibratory sifters, fluid bed dryers, and pneumatic conveying. Designed as a direct drop-in replacement for standard spigot grooves and modular sanitary ducting, it guarantees universal chemical resistance (pH 0-14) with zero cross-contamination.
| Engineering Property | Test Standard | Specification / Certified Value |
|---|---|---|
| Material Construction | Visual / ASTM | Conductive Multilayer PTFE Composite Film |
| Material Color | Visual | Matte Black |
| Film Thickness | ASTM D3652 | 0.25 mm (+/- 0.05 mm) |
| Continuous Service Temp | Internal Thermal Test | -70 deg C to +316 deg C (-94 deg F to +600 deg F) |
| Surface Resistivity | Resistance Meter | Under 300,000 Ohms/sq (Conductive / Anti-Static) |
| Tensile Strength | GB/T 1040.3 | 350 N/50 mm (40 lbs/in) |
| Tear Strength | Internal Mechanical | 156 N (35 lbs) |
| Total Areal Weight | Balance Test | 441 g/m2 (14.0 oz/yd2) |
| Density | ASTM D792 | 2.2 - 2.3 g/cm3 |
| Water Absorption | ASTM D570 | Under 0.01% |
| Chemical Resistance | Full Immersion | pH 0-14 (Universal Chemical Resistance) |
| Connection Mechanism | Snap-In Fit | Internal tempered spring steel band (snap-fit into spigot groove) |
| Standard Diameter (Spigot Match) | Standard Lengths | Customization Capability |
|---|---|---|
| Dia. 100 mm (4 in) | 100 mm / 150 mm / 200 mm / 300 mm | Custom lengths up to 2000 mm |
| Dia. 125 mm (5 in) | 100 mm / 150 mm / 200 mm / 300 mm | Optional internal vacuum rings |
| Dia. 150 mm (6 in) | 150 mm / 200 mm / 300 mm / 400 mm | Custom conical reducers (offset) |
| Dia. 200 mm (8 in) | 150 mm / 200 mm / 300 mm / 500 mm | Double-layer high-flex design |
| Dia. 250 mm (10 in) | 200 mm / 300 mm / 500 mm | Custom grounding lug integration |
| Dia. 300 mm (12 in) | 200 mm / 300 mm / 500 mm | Reinforcement for high negative pressure |
(Note: Direct retrofits for existing BFM-style spigots and modular sanitary ducting systems.)
Looking for exact dimensional compatibility with your existing grooved spigots or need an ATEX static verification sheet? Contact our process engineers at amin@soshh.com with your duct diameter and operating temperature for a fast proposal and sample delivery.
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