Designed for dependable overhead lifting in corrosive or harsh operating environments, the Ingersoll Rand ML250KR-2DAR20-R7U Air Chain Hoist combines a 1/4 Ton (550 lb / 250 kg) capacity with a 20 ft lift and 7 ft pendent drop for efficient material handling. Part of the MLK Series, this pneumatic chain hoist features a six-vane air motor engineered for continuous 100% duty-cycle operation, delivering reliable lifting performance throughout demanding industrial shifts. The responsive 2-button pendent control enables smooth and accurate load positioning, while the bronze snap hook provides secure load engagement for applications where corrosion-resistant hook components are preferred.Engineered for reliable industrial service, the ML250KR-2DAR20-R7U features a spring-engaged, air-release non-asbestos disc brake that automatically secures suspended loads whenever the controls are released. Upper and lower limit stops help prevent excessive chain travel, while the compact hook-mounted configuration minimizes installation headroom requirements. Supplied without a chain container, this hoist is suitable for maintenance departments, processing facilities, marine-related applications, and industrial environments requiring corrosion-resistant lifting components.Type: Air Chain Hoist | Series: MLK Series | Model: ML250KR-2DAR20-R7U | Capacity: 1/4 Ton (550 lb / 250 kg) | Lift: 20 ft | Pendent Drop: 7 ft | Control Type: 2-Button Pendent Control | Top Suspension: Top Hook | Bottom Hook: Bronze Snap Hook | Chain Container: None | Chain Falls: 1 | Load Chain Size: 4 12 mm | Air Inlet: 1/4 in. NPT | Operating Pressure: 70100 PSI | Duty Cycle: 100%Features:Six-vane air motor provides continuous 100% duty cycle performance.Spring-engaged, air-release non-asbestos disc brake securely holds suspended loads.Full-flow 2-button pendent control enables smooth and precise lifting and lowering.Upper and lower limit stops help prevent excessive chain travel during operation.Bronze snap hook provides dependable load attachment for corrosion-resistant applications.Single-fall load chain configuration supports the rated 1/4 ton lifting capacity.Compact hook-mounted design minimizes installation headroom requirements.Meets ASME B30.16, ASME HST-5 Duty Rating A5, and FEM/ISO Classification 1Am/M4.Applications:Marine and waterfront maintenance operations.Food processing and washdown environments where corrosion-resistant components are preferred.Chemical and processing facilities utilizing pneumatic lifting equipment.Maintenance departments requiring reliable overhead lifting.General industrial material handling using compressed air-powered hoists.FAQs:Q: What is the lifting capacity of this hoist?A: The ML250KR-2DAR20-R7U is rated to lift up to 1/4 ton (550 lb / 250 kg).Q: What type of hook is supplied?A: This model is equipped with a bronze snap hook as identified in the manufacturer catalog.Q: How many chain falls does this model use?A: This ML250KR model utilizes a single-fall (1-fall) load chain configuration designed for its rated capacity.Q: Does this model include a chain container?A: No. The manufacturer catalog identifies this version as being supplied without a chain container.Q: Is this hoist suitable for continuous-duty operation?A: Yes. 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td::before{content:attr(data-label);font-weight:700;text-transform:uppercase;color:#444;text-align:left;flex:0 0 46%}.spec-accordion.is-mobile-table .spec-table td:first-child{width:100%;font-size:13px;word-break:break-word!important;overflow-wrap:anywhere!important}.spec-accordion.is-mobile-table .spec-table td>a{word-break:break-word;background:transparent}.spec-accordion.is-mobile-table .group-row td{text-align:center;background:#444;color:#fff}.spec-accordion.is-mobile-table .group-row td::before{content:none}Available Variations and SpecificationsSKUCapacityHook MountHeadroomTrolley MountHeadroomLifting SpeedLowering SpeedChainSizeChain Weight(per foot of lift)Net Weightw/10 ft of Liftlbmetrictons# FallsinmminmmRated LoadNo LoadRated LoadNo Loadlbkglbkgft/minm/minft/minm/minft/minm/minft/minm/minML250K5500.25118457.218457.210130.817152.111735.79930.26.4 x 19.50.60.34821.8ML250KS5500.25118457.218457.24012.27121.69027.45316.26.4 x 19.50.60.34821.8ML250KR5500.25118457.218457.2267.94212.83811.6309.16.4 x 19.50.60.34821.8ML500K1,1000.50118457.218457.25516.810632.39729.659186.4 x 19.50.60.34821.8ML500KS1,1000.50118457.218457.2226.74413.46620.1329.86.4 x 19.50.60.34821.8ML500KR1,1000.50218457.218457.2134216.4206.1154.66.4 x 19.51.10.56127.7ML1000K2,2001218457.218457.2288.55316.24914.9309.16.4 x 19.51.10.56127.7ML1000KS2,2001218457.218457.2113.4226.73310.1164.96.4 x 19.51.10.56127.7HL1000K2,2001118.5469.918.1459.7267.94012.23711.3267.99.5 x 25.71.30.68438.1HL1000KR2,2001118.5469.918.1459.7267.94012.23711.3267.99.5 x 25.71.30.68438.1HL1500K3,3001.50118.8477.518.9480.1164.9288.5267.9164.99.5 x 25.71.30.68438.1HL2000K4,4002223584.221.6548.6134206.1185.51349.5 x 25.72.61.212556.7HL3000K6,600322563522.657482.4144.313482.49.5 x 25.72.61.212556.7HL4500K9,9004.50330.9784.928711.24.61.410.53.2103.16.629.5 x 25.73.91.819387.5HL6000K13,2006436.2919.532.2817.93.51.18.42.67.62.34.81.59.5 x 25.75.22.4248112.5 (function(){ function 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