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Precision CNC Machined Brass Valve Bodies | Custom Tolerances, No MOQ

OpeningYour valve body drawing becomes a finished part in as little as 10 working days. We machine it from solid brass bar stock or forged blanks, hold your tolerances, and verify every critical dimen


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Your valve body drawing becomes a finished part in as little as 10 working days. We machine it from solid brass bar stock or forged blanks, hold your tolerances, and verify every critical dimension before the crate leaves our floor.

You send the 2D or 3D file. We quote, machine, inspect, and ship. No redesigns, no surprises.

  • Tolerance: ±0.005 mm (0.0002 in) on machined features
  • Lead time: 10–15 working days for standard batches
  • No MOQ: one piece or ten thousand, same process control
  • Inspection: full dimensional report per batch, CMM verified

Specifications

ParameterValue
MaterialsBrass C36000, C37700, C46400 (naval brass), C27400; lead-free options (C69300) available
Bar stock diameter3 mm – 100 mm (0.12 in – 4 in)
Machining process3-axis and 5-axis CNC milling, CNC turning (Swiss-type for small diameters)
Tolerance±0.005 mm standard; ±0.002 mm on request for matched bores
Surface finishRa 0.4 µm – 1.6 µm as machined; optional passivation, nickel plating, or anodizing
ThreadsInternal and external, UNF/UNC, metric, BSP, NPT – cut or rolled
Batch size1 – 100,000 pieces; no MOQ
InspectionFirst article inspection (FAI) per batch, CMM reports, material certs
Lead time10 days for prototypes, 15 days for production runs
Country of originMade in China, Dongguan factory

Precision CNC Machined Differential Gear Parts

Three Reasons Buyers Send Us Their Drawings

1. Batch-traceable quality. Every part gets a unique job number. We track heat number, machine operator, tooling, and inspection results. If a valve body fails in your field test, we trace it to the exact batch and machining shift. You get a written record, not a shrug.

2. Inspection report per batch. We do not ship blind. Each batch comes with a dimensional report: critical bores, thread pitch diameters, surface finish, and concentricity. For high-pressure valve bodies, we add hydrostatic test data on request. You know what you are installing before it arrives.

3. One factory for CNC + stamping + springs + heat sinks. Your valve assembly may need a brass stamping for the seat, a stainless spring for the poppet, and a heat sink for the solenoid. We make all four in one building. You get one purchase order, one quality system, one shipping date. Fewer suppliers, fewer delays.

Where These Parts Are Used

CNC machined brass valve bodies go where corrosion resistance and machinability matter. Real applications we have shipped:

  • Pneumatic solenoid valves – 5/2 and 3/2 way bodies, port sizes M5 to G1/2
  • Hydraulic flow control valves – bodies with 0.05 mm bore tolerances for spool fit
  • Water and gas shut-off valves – lead-free brass for potable water systems
  • Medical gas regulators – precision tapered seats for oxygen and nitrous oxide
  • Automotive coolant valves – compact bodies with integrated mounting flanges
  • Instrumentation manifolds – multi-port bodies for pressure transmitters

If your part sees pressure, flow, or repeated cycling, brass is often the right call. We machine it right.

Looking for a different part? We also machine CNC Turned Precision Shafts | Custom Machined Parts, No MOQ in the same Dongguan factory.

Questions Buyers Ask Before Ordering

Q: What is your MOQ? A: No MOQ. We run one prototype for validation or 100,000 pieces for production. Tooling is standard for most brass valve bodies, so setup cost stays low.

Q: How do you guarantee tolerance and quality? A: We machine to ±0.005 mm standard. Every batch gets a first article inspection, and we include a CMM report with shipment. For critical dimensions, we use in-process probing and adjust offsets automatically.

Q: What is your typical lead time? A: 10 working days for prototypes, 15 working days for production batches up to 5,000 pieces. Larger orders are scheduled by agreement. We quote exact dates with your confirmation.

Q: Can you provide material certificates? A: Yes. We supply mill certificates for brass material, including chemical composition and mechanical properties. For lead-free brass, we provide RoHS and NSF/ANSI 61 compliance documents.

Send Your Drawing

Stop waiting on vague quotes. Send your valve body drawing today and get a firm price in 12 hours.

  • Unit price and tooling cost (if any)
  • Confirmed lead time
  • Inspection plan for your critical dimensions
  • Shipping options from Dongguan

Email: sc@bquq.com WhatsApp: +86 13713157787

Made in China. Precision manufacturing. Custom CNC machining. No MOQ. Your drawing, our machines.


Related Products

parameter

ParameterCapability
MaterialsAL6061/7075, SUS303/304/316, 45# steel, T2 copper, H59 brass, POM, PEEK, nylon
Tolerance±0.005mm standard, ±0.003mm on request
Machines3/4/5-axis CNC, turn-mill, Swiss lathe
SurfaceAnodizing, nickel, zinc, passivation, sandblast, polish
Size RangeMax 400 x 300 x 200 mm
Prototype72 hours, no MOQ on samples
InspectionFull report per batch, CMM data on request

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