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PG — Reducing Straight Union

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Tube Connectors & Push-In Fittings

Reducing Straight Union

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Stainless steel push-in fitting for connecting two tubes of different diameters.

This reducing straight union is a stainless steel push-in fitting used to join two tubes of different diameters in a straight line. It is commonly purchased by importers, distributors, and contractors for pneumatic and fluid systems where a secure, tool-free connection is required.

Key features

  • Stainless steel construction for corrosion resistance
  • Push-in connection for rapid assembly and disassembly
  • Reducing design connects two different tube diameters
  • No tools required for installation
  • Suitable for pneumatic and fluid applications

A matching appearance or thread size does not confirm compatibility.

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Specifications

Start with the interface. Then check the exact variant, dimensions and application.

General
MaterialStainless steel 304 as standard; 316 available on request
The reducing straight union is constructed with a stainless steel body and push-in mechanisms on both ends. It allows quick connection of two tubes with different outside diameters, such as 6 mm to 4 mm or 8 mm to 6 mm. The fitting is typically used in compressed air, water, and other fluid lines where a reliable, releasable joint is needed. Installation involves simply pushing the tube into the fitting until it bottoms out; no tools are required. To disconnect, the collet is pressed and the tube is pulled out. What to specify when requesting a quote: - Tube sizes (e.g., 6-4 mm, 8-6 mm, 10-8 mm, etc.) - Material: stainless steel (grade if required) - Finish: as machined, passivated, or other - Quantity - Packaging requirements (bulk, individual bags, boxed) - Any additional testing or documentation needs Providing these details ensures an accurate quotation and timely production.

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Ordering terms

Minimum order
100 pcs per model, mixed models accepted
Lead time
15–25 days after deposit; stock items 3–5 days
Packaging
PE bag + inner box + export carton; neutral packing on request
OEM / ODM
OEM logo, custom thread and tube size, private label packaging
Payment
T/T 30% deposit, balance against copy B/L; L/C at sight over USD 30,000
Incoterms
EXW Ningbo by default; FOB / CIF / DAP quoted on request
Samples
Samples free, freight collect; sample cost refunded on the first order

Illustration

Reference photo of this product type — not the exact item shipped.

Reducing Straight Union
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