The 3D valve needs WebGL, which this browser has switched off. Everything it shows is written out below: how the valve seals and where it goes.
Single piece seat rings. An upstream metal to metal seal.
A mud gate valve shuts off drilling fluid on the rig floor. In this one, a spring pushes a single piece seat ring against each side of the gate, and the upstream seat seals metal to metal. Scroll to take it apart.
Drawn the way a spec sheet draws it.
The valve in elevation, with four rounded dimensions lettered A to D. Then the drawing resolves into the valve.
What’s aheadThe valve cut open, taken apart, what each part does, then how it seals.
Half the body removed.
A cast body and bonnet. Inside: a steel gate between two seat rings, a disc spring behind each seat, and the stem running up through its packing to the screw.
Twenty-five parts, numbered as they come apart.
Handle, screw housing, stem, bonnet and packing, gate, seats and springs, body. Each number follows its part into the card.
What each part does, one at a time.
An upstream seal keeps solids out of the cavity.
Closed, the gate sits between the two seat rings and a spring keeps both seats loaded against it. The seal is made on the side the mud arrives from, so the solids stop at the face instead of packing into the valve body.
In shortThe handle turns the stem screw, the screw moves the gate across the bore, and a spring-loaded seat ring on each side seals against it, upstream, metal to metal.
Open it. Close it.
Drag the handle, or use the control, and watch the gate cross the bore.
The 3D valve is a concept, not an engineering model.
The seal is made upstream, metal to metal.
What’s belowA section through the valve, closed, then how it seals, in three steps.
A mud gate valve shuts off drilling fluid in a pipe. Drilling mud carries solids that wear soft seats, so this design seals hard metal on hard metal, and makes the seal on the upstream side, where the flow arrives.
- Closed. The gate sits across the bore between two seat rings. Each seat is a single piece with a small seal behind it, and a disc spring keeps it loaded against the gate.
- Upstream. The seat on the flow side meets the gate metal to metal, so the solids stop at the upstream face instead of packing into the valve cavity.
- Operated. The handle turns the stem screw in the screw housing, which moves the stem, the gate clip and the gate across the bore. The stem leaves the pressure through packing and a bushing.
The gate closes the bore. A single piece seat ring on each side, pushed by a spring, seals against it, and the upstream seat seals metal to metal, which keeps solids out of the valve cavity.
Where a valve like this sits, and what it is built for.
A general description of the job, not a product listing.
Where you find one
- High pressure mud systems
- Standpipe manifolds
- Managed pressure drilling manifolds
- Bleed lines
What the design aims for
- Single piece seats
- Metal to metal sealing
- Fewer washouts Sealing upstream keeps solids out of the valve cavity.
- Durable stem packing
- Stainless trim and a forged bonnet
A concept built in code, not a product page.
Teardown makes interactive 3D pages that take a machine apart on screen, so a buyer can tap a part and read what it does. This one is a generic mud gate valve drawn from common industry arrangements.
- Generic. Part names are plain descriptions. No part is a real catalogue item.
- Illustrative. Dimensions are rounded and the proportions are drawn for explanation. Nothing here is a rating or a specification.
- Yours next. The same treatment works for a real product, with your own drawings and parts list behind it.