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Straub G20901-SI – 4 in 316 Stainless Steel Pipe Coupling, Axial Restraint, 232 PSI, Polished Finish

Straub G20901-SI – 4 in 316 Stainless Steel Pipe Coupling, Axial Restraint, 232 PSI, Polished Finish

Brand: STRAUB SKU: G20901-SI
Regular price $473.05 USD
Regular price Sale price $473.05 USD
Sale Out of Stock - Call to Order
In Stock — Ships TODAY if ordered before 2:00 PM EST
Quantity
OEM manufacturer warranty Genuine factory-sourced

Ships factory-new in original packaging.

Not sure if a compatible flange, seal kit, or accessory exists for this item? Ask our team — we're happy to help you find the right part.

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Commercial Ordering FAQ

How do I verify that Straub G20901-SI – 4 in 316 Stainless Steel Pipe Coupling, Axial Restraint, 232 PSI, Polished Finish is the correct replacement part for my equipment?

Check the OEM part number (G20901-SI) against your equipment nameplate or the manufacturer's repair parts list before ordering. If you are not sure, call the National Boiler Supply order desk at 850-565-3492 and we can cross-reference your equipment model and serial numbers before the order ships.

What are the shipping and freight options for STRAUB orders?

Standard parcel orders ship quickly from commercial distribution centers. Shipping is a $35 flat rate on orders under $999, and qualifying orders of $999 or more ship free by ground. Heavy equipment that has to move by LTL freight is quoted after the order is placed and confirmed with you before dispatch.

Can contractors or facility managers request a formal quote or use a Purchase Order (PO)?

Yes. National Boiler Supply works with commercial contractors, mechanical engineers, municipalities, and facility teams. Call 850-565-3492 for a formal quote, bulk pricing, or PO and tax-exempt order processing.

What if this STRAUB part is marked Call to Order or needed for an emergency repair?

Call our order desk at 850-565-3492. We can confirm factory lead times right away and arrange expedited air or hot-shot delivery when a repair cannot wait.

National Boiler Supply supplies the Straub G20901-SI Fitting to contractors, facility teams, and purchasing departments. Get fast dispatch, contractor-ready quotes, and order desk support at 850-565-3492.

Product Overview

The STRAUB - G20901-SI is a stainless steel pipe coupling that connects two 4-inch pipes in-line. Manufactured from 316 stainless steel with a polished finish, corrosion resistance and mechanical strength consistent with 316 stainless steel; intended media: air, natural gas, non-potable water, propane. It is rated for a maximum operating pressure of 232 psi within a temperature range of -4°F to 180°F. It complies with low lead standards and conforms to specifications including ASTM 1476, ISO, ANSI, NP-15837/15838, and AWWA C227-07.

Features

  • Material: 316 stainless steel with a polished exterior finish
  • Fits nominal pipe size: 4 inches
  • Overall length: approximately 3.69 inches (3 11/16 in)
  • Seal material: nitrile
  • Bolt hardware: 2 bolts made from 316 stainless steel, with 114mm hex heads
  • Maximum operating pressure: 232 psi
  • Temperature range: -4°F to 180°F
  • Applications: air, natural gas, non-potable water, propane

Technical Specifications

Brand Straub
Manufacturer Part Number G20901-SI

OEM Part Verification: Confirm Straub part number G20901-SI against your equipment nameplate or parts list before ordering. Our order desk can cross-check it for you.

Order Desk Support: Call 850-565-3492 for formal quotes, lead times, and volume pricing.

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Corporate Procurement & PO Processing

Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.

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📋 Procurement & Shipping Notice

  • LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
  • Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?

👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.