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Valve Parts Manufacturing — CNC Swiss Lathe Turning

Valve spools, poppets, needle tips, orifices and more: 135 valve part types across 14 families. ⌀3–20 mm CNC Swiss turning, ±0.01 mm precision. Send a drawing for a quote.

Manufacturing Scope

Valve parts are precision-turned elements that direct, shut off or throttle flow in hydraulic and pneumatic circuits, used across automation, fluid control, automotive, medical and general machine building. This category spans 14 families and 135 distinct part types: valve spool pistons, poppet valve elements, needle valve tips, push pins, valve spring pins, ball check-valve stems, threaded valve stems, valve sockets (threaded), valve seats (conical sealing), orifices (calibrated bores), throttle nozzles, transition bushings, cartridge valve bodies and seat inserts. We machine steel, stainless steel, brass and aluminium. Sealing and mating surfaces are held to tight tolerances such as h6/H7 fits and ±0.01 mm. Production runs on a Goodway SW-20 Swiss-type lathe across the ⌀3–20 mm diameter range in a single operation, integrating conical seats, knurling, bores and thread details in one setup. Beyond the 135 catalogued types, we produce custom sizes from your technical drawing or sample. Pricing is quote-based: send the drawing and we return price and lead time by quantity and material.

14 families135 types⌀3–20 mm4 materials
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Part Families

Valve Spool PistonStepped spool piston that opens and closes flow paths in directional valves.10 types⌀4–20 mmOpen the code & size table →Poppet Valve ElementAxially moving poppet head that seals against a conical seat.10 types⌀4–20 mmOpen the code & size table →Needle Valve TipNeedle valve element providing fine flow throttling with a slender conical tip.10 types⌀3–14 mmOpen the code & size table →Actuator Push PinStepped push pin that mechanically actuates and opens a valve element.10 types⌀5–20 mmOpen the code & size table →Valve Spring PinShouldered spring pin that centers and guides the valve spring.10 types⌀6–20 mmOpen the code & size table →Ball Check Valve StemOne-way check valve stem with a spherical tip that presses the ball onto its seat.10 types⌀4–16 mmOpen the code & size table →Threaded Valve StemRotary-actuated valve stem with a threaded adjustment neck and knurled grip.10 types⌀8–20 mmOpen the code & size table →Valve Socket (Threaded Seat Pocket)Threaded socket body with internal thread and central bore for seating the valve element.10 types⌀9.2–20 mmOpen the code & size table →Valve Seat (Conical Sealing Face)Precision seat body with a conical sealing face where a needle or ball valve seats.10 types⌀6–20 mmOpen the code & size table →Orifice (Calibrated Bore)Short body element with a calibrated central bore to restrict flow rate.10 types⌀4–20 mmOpen the code & size table →Throttle NozzleThreaded nozzle body with conical inlet and tapering bore that throttles the flow.9 types⌀9.2–20 mmOpen the code & size table →Transition Ring (Adapter)Bushing ring body with a stepped transition that mates two different diameters.9 types⌀8–20 mmOpen the code & size table →Cartridge Valve BodyScrew-in cartridge valve body with hex wrench flats, external thread and an internal seat pocket.8 types⌀11.5–20 mmOpen the code & size table →Seat Insert (Press-Fit Ring)Press-fit seat ring insert carrying the sealing face, with a knurled grip for retention.9 types⌀6–20 mmOpen the code & size table →

Frequently Asked Questions

How are parts like valve spools and poppets manufactured?

Parts are turned from bar stock on a Goodway SW-20 CNC Swiss lathe in a single operation. The sliding-headstock design reduces deflection on slender, long geometries, keeping tolerance stable along the length; conical seats, calibrated bores, knurling and threads are machined in the same setup. Sealing faces receive additional surface finishing when required.

Which materials do you make valve parts from?

We machine steel, stainless steel (for corrosion and fluid resistance), brass (good machinability and sealing) and aluminium. Material choice is decided together based on operating pressure, fluid type and corrosion environment. You can request a specific grade during the quote stage.

What tolerances and precision do you work to?

On sealing, fit and assembly-critical surfaces we hold h6/H7 fits and tolerances on the order of ±0.01 mm. The required tolerance, surface roughness and hardness values follow your drawing specification; critical dimensions are checked during production.

Do you make custom or non-catalogue valve parts?

Yes. The 135 catalogued types are a reference; our core work is custom production from a technical drawing, sample or sketch. We manufacture valve elements in the ⌀3–20 mm diameter range to your dimensional and material requirements.

What is the minimum order quantity and lead time?

We have manufactured in Düzce, Turkey since 2009 and serve both prototype/low-volume and series production. Minimum quantity, lead time and price are finalised in the quote based on part geometry, material and total volume. Send your drawing by WhatsApp or email for a fast response. We also ship for export.

Related Categories

Pins Bushings Shafts Fasteners Nuts & Adapters Spacers & Standoffs Fittings Nozzles Connector Pins Fixing & Locating Membrane Press Spares Custom Turned Parts Medical & Dental Parts Couplings & Shaft Adapters Bearing & Seal Adapters Electrodes & EDM Tips Opto-Mechanical Parts Textile Machine Parts Automotive Precision Parts Hydraulic & Pneumatic Pistons Mold & Die Components Joint & Pivot Elements Micro & Watch Parts
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