SOSHH Breathable Fabric Snap-In Flexible Connector (Polyester / PP / Needle Felt)

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Engineered for differential pressure relief and dust-tight venting in powder handling systems, the SOSHH SF-Series Breathable Snap-In Connector replaces traditional clamped cloth sleeves. Featuring standard food-grade woven polyester with antistatic grid lines ( LM4 equivalent), high-air-permeability PP06, or heavy-duty PTFE-membrane needle felt (PE20), it snaps directly into grooved spigots in 30 seconds without tools. Certified to FDA 21 CFR 177.1630, it delivers continuous air venting (10-25 L/dm2/min) while containing ultra-fine powders in silos, sifters, and bulk bag filling lines.

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SF Snap-In Flexible Connectors

Description

SOSHH® Anti-Static Breathable Woven Polyester Snap-In Connector (SF-PE06-AS)

SOSHH Anti-Static Breathable Woven Polyester Snap-In Flexible Connector SF-PE06-AS

1. Why Switch to SOSHH Breathable Snap-In Fabric Sleeves?

Continuous Vessel Pressure Relief: Engineered air permeability (10 to 25 L/dm2/min @200Pa) dissipates positive air surges during high-rate silo drops, loss-in-weight filling, and pneumatic conveying without dust blowouts.
Certified ATEX Anti-Static Protection: The SF-PE06-AS grade incorporates conductive carbon grid yarns (surface resistance 10^6 to 10^8 Ohms) to ground electrostatic charges generated by dry powder friction, mitigating secondary dust explosion risks.
30-Second Tool-Free Snap-Band Assembly: Internal spring-steel snap rings seat directly into standard grooved spigots. Eliminates hose clamps that pinch, tear fabric cuffs, or create internal powder accumulation dead zones.
Non-Shedding Sanitary Construction: Continuous filament yarn construction certified to FDA 21 CFR 177.1630 and EU 10/2011 prevents thread fraying, fiber shedding, and product batch contamination.

2. Breathable Media Selection Matrix

Media Grade	Material Base & Weave Structure	Thickness	Continuous Operating Temp	Air Permeability (@200Pa)	Surface Resistance	OEM Cross-Reference / Compatibility
SF-PE06-AS (Standard)	100% Polyester Filament + Anti-Static Carbon Grid	0.60 mm	-20 deg C to +130 deg C (Peak 150 deg C)	10 - 25 L/dm2/min	10^6 - 10^8 Ohms (ATEX Anti-Static)	Drop-in replacement for LM4
SF-PP06	100% Polypropylene (PP) Plain Weave Fabric	0.60 mm	-20 deg C to +110 deg C	High Permeability	Over 10^12 Ohms (Insulative)	Acid/alkali resistant powder venting
SF-PE20	Polyester Needle Felt + Micro-Porous PTFE Membrane	2.00 mm	-20 deg C to +150 deg C	Controlled Micro-Permeability	Over 10^12 Ohms (Insulative)	High dust-load bin vents & abrasive fines
SF-PTFE	100% Woven Pure PTFE Filament Fabric	0.50 mm	-70 deg C to +260 deg C	5 - 20 L/dm2/min	Universal Inertness (pH 0-14)	Drop-in replacement for FM1

3. Technical Specifications: SF-PE06-AS Woven Polyester

Technical Parameter	Test Standard	Engineering Value
Material Base	Polymer Analysis	100% Food-Grade Virgin Polyester Filament (PET)
Weave Pattern	Visual / DIN	High-Density Plain Weave with Static Conductive Grid
Fabric Thickness	ISO 5084	0.55 mm - 0.70 mm (Nominal 0.60 mm)
Areal Fabric Weight	ISO 3801	350 - 420 g/m2
Air Permeability	DIN EN ISO 9237	10 - 25 L/dm2/min (@200Pa)
Warp Tensile Strength	ISO 13934-1	>= 1600 N / 5 cm
Weft Tensile Strength	ISO 13934-1	>= 1300 N / 5 cm
Continuous Temp Range	Thermal Test	-20 deg C to +130 deg C (-4 deg F to +266 deg F)
Short-Term Peak Temp	Thermal Resistance	+150 deg C (+302 deg F)
Surface Resistance	ATEX Standard	10^6 - 10^8 Ohms (Dissipative / Anti-Static)
Food Contact Compliance	US FDA / EU	FDA 21 CFR 177.1630 / EU 10/2011 Compliant
Sealing System	Snap-Band	Dual internal tempered spring steel rings

4. Standard Dimensions & Sizing Options

Matching Spigot Diameter (OD)	Standard Sleeve Lengths	Mechanical Customization
Dia. 100 mm (4 in)	100 mm / 150 mm / 200 mm / 300 mm	Custom heights up to 1500 mm
Dia. 125 mm (5 in)	100 mm / 150 mm / 200 mm / 300 mm	External anti-abrasion rings
Dia. 150 mm (6 in)	150 mm / 200 mm / 300 mm / 400 mm	Conical transition cuffs (Offset)
Dia. 200 mm (8 in)	150 mm / 200 mm / 300 mm / 500 mm	Integrated grounding wire tabs
Dia. 250 mm (10 in)	200 mm / 300 mm / 500 mm	Reinforced seams for vibrating sifters
Dia. 300 mm (12 in)	200 mm / 300 mm / 500 mm	External vacuum support rings
Dia. 350 mm (14 in)	200 mm / 300 mm / 500 mm	High-temperature Kevlar stitching

(Note: 100% geometrically compatible with standard grooved spigots and modular sanitary tubing lines.)

5. Typical Industrial Applications

Vibrating Screeners & Sifters: Accommodates rapid continuous shaking without cuff tear while venting process air.
Silo & Surge Bin Inlets: Equalizes positive displacement air when filling silos with flour, starch, sugar, or grain powders.
Loss-in-Weight Batch Feeders: Flexible woven textile creates zero mechanical deadweight, preventing measurement drift on sensitive load cells.
Fluid Bed Exhaust & Cyclones: Acts as a secondary particulate barrier while exhausting hot drying air.

6. Frequently Asked Questions (FAQ)

Q1: Can the SOSHH SF-PE06-AS connector directly replace existing LM4 sleeves?A: Yes. The SF-PE06-AS uses the exact snap-band profile to fit standard grooved spigots. It provides matching air permeability (10 to 25 L/dm2/min), an integrated static dissipation grid, and FDA compliance, functioning as a seamless drop-in alternative without duct modifications.
Q2: When should I choose SF-PE20 needle felt over woven polyester?A: Select SF-PE20 (2.0 mm needle felt with PTFE membrane) when handling highly abrasive mineral powders or sub-micron particulate where maximum filtration efficiency and elevated burst strength are required.
Q3: Can these breathable connectors be washed?A: Yes. Sleeves can be cleaned using compressed air dry-brushing, or washed with warm water and mild neutral detergent. Ensure the fabric is completely dry before reinstalling into powder contact lines.

7. Request CAD Drawings & Material Swatches

Need custom spigot diameter verification or a material test sample? Send your line specifications to our process team at amin@soshh.com for same-day technical consultation and expedited quote proposals.

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