90° bronze elbow, hose barb x barb or male NPT thread (B3)
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90° elbow in brass bronze for changing direction in a flexible hose line. The base reference (B3 - 90° Elbow Hose x Hose) has a barbed spigot on both ends, both secured with a clamp. A variant also exists with male NPT thread on one end and a barb on the other (male-barb elbow), to move from threaded pipe to hose with a single direction change; that variant has no dedicated manufacturer dimensional sheet.
IMPORTANT: reference data — may differ from the physical product; verify with an advisor before buying.
B3 hose x hose elbow (5 barb diameters) · B3 male x hose elbow (dimensions confirmed on quotation) · sold by the unit
1. Technical specifications
90° hose x hose elbow — dimensions
| Size | D1 [mm] | D2 [mm] | L [mm] | Weight [g] |
|---|---|---|---|---|
| 3/16″ | Confirmed on quotation | 7 | ||
| 1/4″ | Confirmed on quotation | 25 | ||
| 5/16″ | 5.5 | 2.5 | 25.0 | 25 |
| 3/8″ | Confirmed on quotation | 30 | ||
| 1/2″ | 7.0 | 4.0 | 33.7 | 44 |
IMPORTANT
This technical data sheet is a reference guide to the properties of this product type; it is not a quality certificate for the product you are buying. The measurements, dimensions and physical or geometric characteristics of the product supplied may vary by manufacturer, heat and lot, and may even fall outside the cited standards. If any of these figures is critical to your design or build, verify it with one of our advisors against the physical product or the lot's mill certificate, so you can be fully certain of what you are buying. · Original data sheet: tectul.com/en/conduccion-de-fluidos/racores-y-acoples/ficha-tecnica-b3-90-codo-manguera-bronce.html
Only unambiguously legible values from the source table are published (March 2022 revision). The variant with a male NPT end (male-barb elbow) has no dedicated manufacturer dimensional sheet; its dimensions are confirmed on quotation.
General specifications
| Product | 90° bronze elbow: barbed spigot on both ends (hose x hose), or a barb on one end and male NPT thread on the other (male x hose) |
| Material | Cast brass bronze |
| Connection | Barbed spigot + clamp; male NPT thread per ANSI/ASME B1.20.1 on the mixed variant |
| Commercial range | 3/16″ to 1/2″ barb diameter |
| Applicable standards | ANSI/ASME B1.20.1 (threaded end of the mixed variant); no barb standard published by the manufacturer |
2. Frequently asked questions
Which elbow do I use to go from threaded pipe to hose with one direction change?
The male-barb elbow (one male NPT end, the other a barbed spigot). The hose x hose elbow only works when both ends go to hose.
Why do some sizes not show D1/D2/L?
The manufacturer's source table does not print them legibly for those sizes; it only confirms the weight. Exact values are confirmed on quotation.
3. Application notes
Feasibility
Suitable for changing direction in low-pressure flexible water or air hose lines. Actual working pressure is limited by the hose and clamp, not by the bronze body.
Installation
Insert the hose fully onto the barb at each barbed end and secure with a clamp. On the male-barb variant, seal the NPT thread with PTFE tape or a compatible sealant before threading.
Design
Confirm the exact dimension before detailing tight installation drawings for sizes marked "confirmed on quotation". Do not assume linear proportionality between consecutive sizes.
4. Technical notice and limitation of liability
The pressures, dimensions, weights and other characteristics in this sheet are theoretical calculation values obtained from nominal properties published in the standards cited (ASME B36.10-2022, ASME B31.3-2024, ASTM A106/A106M-19a, ASTM A53/A53M-24, API Spec 5L 46th ed.). They guide selection; they are not a certificate of conformity for any given lot.
The actual behavior of each lot varies with manufacturing — wall tolerance (up to −12.5%), out-of-roundness, residual stresses — and with the raw material — chemical composition within the ranges the standard allows, heat-to-heat differences. To certify a lot, the tests defined by its product standard are required: tensile test, flattening test and hydrostatic test, documented in the manufacturer's mill test certificate (MTC), which TECTUL supplies upon request; testing of the lot in an independent laboratory can also be arranged.
These values must not be used as the sole criterion in critical or safety applications, or wherever failure of the line may compromise people, property or the environment: in such cases the design belongs to the project's responsible engineer under the applicable code (ASME B31.3, B31.1 or the one governing the installation), with the design temperature, corrosion allowance and load cases of the actual service. Before deciding with these data, consult our technical team.
Sources
- ANSI/ASME B1.20.1-2013 (R2018) — Pipe Threads, General Purpose, Inch (rosca NPT de la variante mixta)
- Ficha de fabricante "B3 - Codo 90° Manguera x Manguera" (catálogo de accesorios de manguera de bronce, IMR/TECTUL, revisión marzo 2022): D1, D2, L y peso para 5/16″ y 1/2″; peso para 3/16″, 1/4″ y 3/8″
This data sheet is the property of TECTUL, part of the Industrias IMR group. Reproduction without attribution is prohibited. Original document and updates: tectul.com/en/conduccion-de-fluidos/racores-y-acoples/ficha-tecnica-b3-90-codo-manguera-bronce.