
Commercial Ordering FAQ
How do I verify that Straub G20300-SI – 1-1/2 in 316 Stainless Steel Grip L Pipe Coupling, Axial Movement, Polished Finish is the correct replacement part for my equipment?
Check the OEM part number (G20300-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.
The Straub G20300-SI Fitting is available from National Boiler Supply. We support purchasing teams with fast dispatch, formal quotes, and a live order desk at 850-565-3492.
Product Overview
The STRAUB - G20300-SI is a stainless steel Grip L pipe coupling designed to join two 1-1/2 inch pipes in a straight line, creating a continuous flow path. Constructed from 316 stainless steel with a polished finish, this coupling includes an EPDM gasket seal and supports axial movement between pipes. Designed for use with media compatible with 316 stainless steel and EPDM gasket within the stated operating ranges (up to 232 psi, -4 to 212 °F). The coupling has a length of approximately 2 13/32 inches and features a low-lead certification level compliant with potable water standards.
Features
- Constructed from 316 stainless steel with a polished finish.
- Designed as a coupling to connect two pipes straight end-to-end.
- Includes EPDM gasket seal for pressure-tight connections.
- Accommodates nominal pipe size of 1-1/2 inches.
- Rated for maximum operating pressure of 232 psi.
- Suitable for axial movement between connected pipes.
- Incorporates 6mm Hex bolts made of 316 stainless steel, with two bolts per coupling.
- Operating temperature range from -4°F to 212°F.
Technical Specifications
| Brand | Straub |
|---|---|
| Manufacturer Part Number | G20300-SI |
OEM Part Verification: Confirm Straub part number G20300-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.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 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.