Serving industry since 1982 · Elgin, Illinois · Shipping nationwideCall sales: (847) 931-0075 →

Product family

Mold Coolant Components

Foster mold coolant quick couplings for the plastics and tooling industry — full-flow and shut-off styles in brass and steel. Give us the body size and end connection and we'll match it.

What we supply

Mold coolant components we carry.

A sample of what customers ask us for — send a part number, photo or spec and we’ll match it.

Mold Coolant Quick Couplings

Quick disconnects built for mold cooling and temperature-control water lines.

See Foster →

Straight-Through / Full-Flow

Full-flow couplings for maximum coolant flow with no shut-off restriction.

See couplings →

Automatic Shut-Off Couplings

Valved couplings that seal the line automatically when disconnected.

See shut-off →

Brass & Steel Bodies

Material options to match coolant, temperature-control water and duty cycle.

See materials →

Hose Barb & NPT Ends

End-connection styles to match your manifold, hose and water lines.

See connections →

Manifold & Water-Line Connections

Couplings for mold temperature-control and coolant manifold setups.

See manifolds →

Why Mid-States

Why buy it from us.

One call, many brands

We stock and cross-reference multiple manufacturer lines, so you compare and source in one place instead of chasing separate suppliers.

We'll match what you have

Send a part number, a photo or the old part. We cross-reference current and discontinued items and quote the right replacement.

Local stock, will-call pickup

Family-owned in Elgin, IL since 1982. Pick up confirmed orders at will-call, get Chicago-area delivery, or ship nationwide.

A real sales desk

Talk to people who know the products and help you spec the right part for the size, thread, pressure or media you are working with.

FAQ

Common questions.

How are mold coolant couplings different from regular quick disconnects?

They're quick disconnects built for the plastics and tooling industry — sized and configured for coolant and temperature-control water lines on molds, in full-flow and shut-off styles.

Do you offer full-flow and shut-off styles?

Yes — straight-through (full-flow) couplings for maximum coolant flow, and automatic shut-off couplings that seal the line when disconnected.

Can you match a mold coolant coupling to what I already run?

Yes — send a part number, photo or the body size and end connection, and we'll match it and quote it. Bring a sample to will-call if you're local to Elgin.

Brands for this category

Trusted lines we supply.

All suppliers →
Have a part number or spec?Tell us what you need and we’ll quote it.
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