MILKING MACHINE SPARE PARTS

Teat Shell — The Rigid Outer Casing That Houses the Liner

  • The rigid outer shell (usually stainless steel) that the flexible Melasty Liner sits inside — the two work together but wear at very different rates
  • Structural, not flexible — this part rarely needs replacement as often as the liner it houses, but does eventually wear or dent with age
  • Creates the vacuum chamber around the liner that's essential to the pulsation mechanism working correctly
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The teat cup you see on a cow during milking is actually two parts working together: the flexible rubber liner that directly touches the teat, and the rigid shell around it that houses that liner and creates the sealed vacuum chamber the pulsation cycle depends on. The Teat Shell is that outer casing — typically stainless steel, built to hold its shape and withstand daily handling far longer than the liner inside it needs to.

Because it's rigid rather than flexible, it doesn't wear from flexing the way a liner does, so it's replaced far less frequently — usually only when it's dented, corroded, or damaged in a way that compromises the airtight chamber it needs to maintain around the liner. A dented or deformed shell can prevent the liner inside from collapsing and opening correctly during the pulsation cycle, even if the liner itself is brand new — which is why the two need to be considered together when something's not milking right.

FunctionRigid outer casing housing the liner, forms the pulsation vacuum chamber
MaterialStainless steel
Compatible WithStandard liner sizes across our range, including Melasty Liners (27mm)
Replacement FrequencyFar less frequent than the liner — only when dented, corroded, or damaged
Export AvailabilityYes — bulk export packaging available

Why Choose This Model?

  • Works directly with the liner, but wears far less frequently — good to have on hand regardless
  • Dents or corrosion here can affect pulsation even with a brand-new liner installed
  • Stainless steel build designed to withstand years of daily handling
  • Compatible with our standard Melasty Liners (27mm)

Who Is This For?

This is an essential product for dairy farmers, commercial farm operators, and agricultural enterprises looking for reliable equipment and replacement parts to keep their facilities operating at peak efficiency.

Frequently Asked Questions

Pricing depends on quantity — click Get Quote and fill in how many you need, and we'll respond by email or phone with current pricing.

The liner is the flexible rubber part that directly contacts the teat and does the physical milking action, replaced frequently. The Teat Shell is the rigid outer casing the liner sits inside, replaced far less often since it doesn't wear from flexing the way the liner does.

No — shells last considerably longer than liners under normal use. Replace the shell specifically when it's dented, corroded, or otherwise physically damaged, not on the same schedule as routine liner replacement.

Yes — a dented or deformed shell can prevent the liner inside it from collapsing and opening correctly during pulsation, which affects milking even if the liner itself is in good condition. Both parts need to be checked together when troubleshooting.

Yes, available for bulk export orders — click Get Quote and fill in your country and required quantity, and we'll respond by email or phone with a shipping quote.
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