B16.1 vs B36 Selective Soldering Nozzles: Complete Guide

Similar to the B14.1/B22 designation, B16.1 and B36 refer to the same physical solder pot base type used in certain Ersa selective soldering machines. This guide explains the relationship and helps you find the correct nozzle.

Key Takeaways

**B16.1 and B36 are physically identical** — same dimensions, same thread pattern

**B16.1 is the legacy designation** — from older Ersa catalogs

**B36 is the current designation** — in newer Ersa documentation

**Not interchangeable with B14.1/B22** — different physical base size

**18 nozzle configurations available** — covering H=47 to H=90

B16.1 and B36 Are the Same Base Type

**B16.1 and B36 are physically identical solder pot base types** with different naming conventions:

**B16.1** — The legacy designation from older Ersa catalogs

**B36** — The current designation in newer Ersa documentation

Any nozzle designed for B16.1/B36 will fit both designations because the physical dimensions are the same. The thread pattern, seating surface, and all critical dimensions are identical.

Which Machines Use B16.1/B36?

The B16.1/B36 base type is used in:

Ersa VERSAFLOW 4 series (specific configurations)

Ersa ECOSELECT platforms with larger solder pots

Some SMARTFLOW machine models

It is less common than the B14.1/B22 base type but is still widely used in production lines that require the larger solder pot interface.

Complete B16.1/B36 Nozzle Part Number Reference

Part NumberID/ADHeightType

|---|---|---|---|

6isk47957020a3.0/6.0H=47Standard 6isk47957021a3.0/4.5H=47Standard 6isk47957022a4.0/8.0H=47Standard 6isk4795702310.0/14.0H=47Standard 254218.0/12.0H=47Standard 9611212.0/16.0H=47Standard 331432.5/4.0H=47Standard 646733.0/4.5H=56Standard 646544.0/8.0H=56Standard 1371343.0/6.0H=58Standard 1846784.0/8.0H=75Standard 1381454.0/8.0H=85Standard 1846774.0/8.0H=85Standard 1622164.0/8.0H=90Standard 1683734.3/8.0H=90Standard 1621956.0/10.0H=90Standard 1684466.2/10.0H=90Standard

Notation Variations

The B16.1 designation may also appear as:

**B16,1** — European notation using a comma instead of a period

**B 16.1** — With a space before the number

All of these refer to the same base type. When searching for nozzles, include all variations to ensure comprehensive results.

B16.1/B36 vs B14.1/B22: Key Differences

FeatureB14.1/B22B16.1/B36

|---|---|---|

Designation typeLegacy → CurrentLegacy → Current Physical dimensionsSmaller baseLarger base Nozzle configurations90+ available18 available Common machinesVERSAFLOW, ECOSELECTVERSAFLOW 4, some ECOSELECT Interchangeable?No — different sizesNo — different sizes

**Critical note**: B14.1/B22 nozzles will NOT fit B16.1/B36 solder pots, and vice versa. Always verify your base type before ordering.

Finding Your B16.1/B36 Nozzle

To locate the correct nozzle:

1. Check your machine documentation for the base type designation

2. Search by part number if available

3. Search by ID/AD size, height, and "B16.1/B36" base type

4. If uncertain, send a photo of your current nozzle for verification

See also our [Ersa Part Number Guide](/technical-guides/ersa-selective-soldering-nozzle-part-number-guide) for complete part number reference and [B14.1 vs B22 Guide](/technical-guides/b14-1-vs-b22-selective-soldering-nozzles) for comparison.

Related Products

[All B16.1/B36 Nozzles](/products/b16-1-b36-nozzles) — Complete catalog of 18 configurations

[All B14.1/B22 Nozzles](/products/b14-1-b22-nozzles) — For comparison reference

[Custom Nozzles](/technical-guides/custom-selective-soldering-nozzles-by-drawing-or-sample) — If you need non-standard B16.1/B36 sizes

Need Verification?

[Contact us](/contact) with your machine model, or [WhatsApp](https://wa.me/8615706606161) a photo of your nozzle and solder pot for immediate base type verification.