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Service intervals depend on duty cycle and compressor type. For oil-lubricated compressors: oil change every 500-1,000 hours of operation (or annually, whichever comes first); air-intake filter every 3-6 months under workshop conditions; check belt tension monthly. For oil-free compressors: air-intake filter every 3-6 months; valve/seal-kit replacement every 2,000-4,000 hours. Drain the receiver tank daily (or fit auto-drain) to prevent corrosion. The specific intervals are in the compressor's user manual.

If the compressor doesn't cut out at the set pressure (keeps running past the cut-out point), or fails to cut back in when pressure drops below the cut-in point, the pressure switch is the likely fault. If the compressor cycles correctly but the downstream tool pressure varies or drops under load, the regulator is the likely fault. Pressure switches handle the on/off cycle of the compressor motor; regulators control the downstream pressure to the tools. Both are replaceable service items.

Yes — auto-drains can be retrofitted to most receiver tanks. The auto-drain replaces the standard manual drain valve at the bottom of the tank and uses a timer or float-and-pneumatic mechanism to open periodically and discharge accumulated condensate. Retrofitting reduces the service overhead of daily manual draining and prevents tank corrosion from undrained condensate. Match the auto-drain to the tank's drain-fitting thread (typically 1/4-inch or 3/8-inch BSP) and to the system's working pressure.

A typical workshop air-line installation has three stages: a particulate filter (5-micron) immediately downstream of the receiver to remove rust and pipework debris; a coalescing filter (0.01-micron) before pneumatic tools to remove water and oil; an oil/lubricator (where the tools require lubrication) after the coalescing filter. For paint-spray and food-grade applications, add an activated-carbon filter to remove residual hydrocarbon vapour. Filtration spec depends on the downstream tool and application.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

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Air Compressor Accessories

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Within Spare & Accessories, Air Compressor Accessories cover the supporting parts and consumables used with workshop and trade air compressors — replacement air-filter elements, oil filters and oil for oil-lubricated compressors, drain valves, pressure switches, regulators and gauges, intake silencers, and the broader range of replacement service items needed to keep workshop compressors running reliably. Compressor accessories split into two main groups.

Service consumables include air-intake filters, oil and oil filters (for oil-lubricated compressors), V-belts (on belt-drive compressors), and drain-valve assemblies. Pressure-control hardware includes pressure switches, safety valves, regulators, gauges, and the auto-drain devices used to remove condensate from the receiver tank. Parts For Machines supplies compressor accessories across the SIP, Sealey, and Draper compressor ranges, plus cross-fit replacement parts for the wider trade-compressor population.

Parts For Machines is an Authorised Distributor and Seller of SIP, Draper, and Sealey across compressor accessories, with each brand's accessory line covering the major service items for its main compressor range. Product pages list the application (compressor model or general fitment), thread size and type (typical compressor fittings 1/4-inch BSP, 3/8-inch BSP, or 1/2-inch BSP), pressure rating (typically the compressor's working pressure — 8-bar / 10-bar / 12-bar units are standard), and any compatibility notes on the specific compressor models the accessory fits. For replacement service parts, match by the original compressor's make and model — the manufacturer's parts list gives the OEM part number, and we cross-reference common SIP, Sealey, and Draper service items.

For cross-fit (where the original brand isn't available), match by physical dimensions, thread, and rating. Trade pricing on bulk and fleet orders is available; contact the team via WhatsApp 07754288583.

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FAQs

Service intervals depend on duty cycle and compressor type. For oil-lubricated compressors: oil change every 500-1,000 hours of operation (or annually, whichever comes first); air-intake filter every 3-6 months under workshop conditions; check belt tension monthly. For oil-free compressors: air-intake filter every 3-6 months; valve/seal-kit replacement every 2,000-4,000 hours. Drain the receiver tank daily (or fit auto-drain) to prevent corrosion. The specific intervals are in the compressor's user manual.

If the compressor doesn't cut out at the set pressure (keeps running past the cut-out point), or fails to cut back in when pressure drops below the cut-in point, the pressure switch is the likely fault. If the compressor cycles correctly but the downstream tool pressure varies or drops under load, the regulator is the likely fault. Pressure switches handle the on/off cycle of the compressor motor; regulators control the downstream pressure to the tools. Both are replaceable service items.

Yes — auto-drains can be retrofitted to most receiver tanks. The auto-drain replaces the standard manual drain valve at the bottom of the tank and uses a timer or float-and-pneumatic mechanism to open periodically and discharge accumulated condensate. Retrofitting reduces the service overhead of daily manual draining and prevents tank corrosion from undrained condensate. Match the auto-drain to the tank's drain-fitting thread (typically 1/4-inch or 3/8-inch BSP) and to the system's working pressure.

A typical workshop air-line installation has three stages: a particulate filter (5-micron) immediately downstream of the receiver to remove rust and pipework debris; a coalescing filter (0.01-micron) before pneumatic tools to remove water and oil; an oil/lubricator (where the tools require lubrication) after the coalescing filter. For paint-spray and food-grade applications, add an activated-carbon filter to remove residual hydrocarbon vapour. Filtration spec depends on the downstream tool and application.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

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