Lüdecke - Main Catalogue Pagina 70
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Safety Industrial Quick Connect Couplings Series ESI with Sleeve Lock Mechanism - single shut-off • Top-quality, extreme robust one-hand quick connect couplings with high-class sealing made of brass MS 58 nickel-plated • Simple and effective protection against accidental disconnection through tightening the locking nut (disconnecting is only possible through loosening the locking nut) • Please connect with standard plugs series ESI DN 7.8 (page 55) as well as series ES DN 7.2 (page 45) ® • Very high flow rates with low pressure drop due to patented OptiFlow by valve technology • Suitable for low vacuum at low couple force compared to all other compatible products • For compressed air supply or liquid media, e.g. for sewer cleaning and reconstruction DN 7.8 12 mm Plug Profile (original size) Materials • Body, valve body: Brass MS 58 nickel-plated • Valve: Brass MS 58 plain • Sleeve, plug: Hardened steel nickel-plated • Locking nut: Brass MS 58 black galvanized • Springs: Stainless steel 1.4310 • Balls: Stainless steel 1.4034 • Seals: NBR (other materials on request) Max. Working Pressure Temperature PN 35 bar SW L1 L -20°C – +100°C DN Thread Flow Rate Operation Type of valve Media Area a 7.8 ISO 228/ DIN EN 10226 2000 l/min One-hand Single shut-off Air/Others Worldwide 5 Couplings with male thread (thread coated) Thread connection L SW R 1/4 m 60 19 R 3/8 m 61 19 R 1/2 m 59 24 D 23 23 23 L1 11 12 15 Weight 115 114 131 Type No. ESI 14 AM ESI 38 AM ESI 12 AM Couplings with female thread Thread connection L G 1/4 f 57 G 3/8 f 57 G 1/2 f 59 D 23 23 23 L1 10 10 12 Weight 118 109 129 Type No. ESI 14 IM ESI 38 IM ESI 12 IM D SW L1 L SW 19 19 24 D L1 SW L D Couplings with hose barb Hose connection L SW D L1 Weight Type No. Hose i.D. 6 73 19 23 25 101 ESI 6 TM Hose i.D. 8 73 19 23 25 103 ESI 8 TM Hose i.D. 9 73 19 23 25 104 ESI 9 TM Hose i.D. 10 73 19 23 25 105 ESI 10 TM Hose i.D. 13 73 19 23 25 108 ESI 13 TM For hose clips type ZOS (¡ page 130), type HS (¡ page 131) or crimping ferrules type LPH (¡ page 133) Special versions on request. 70 SAFETY INDUSTRIAL QUICK CONNECT COUPLINGS DN 7.8
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