ST1-16 - 16 mm mechanical seal
Replacement for Pedrollo NK 2/1, NK 2/2, NK 2/3, NK 2/4, NK 2/5, NK 2/6, NK 4/1, NK 4/2, NK 4/3, NK 4 /4, NK 4/5, NK 4/6, NK 8/3, NK 8/4, NK 2/2-N, NK 2/3-N, NK 2/4-N, NK 2/5-N , NK 2/6-N, NK 4/3-N, NK 4/4-N, NK 4/5-N, NK 4/5-N, NK 4/6-N, NK 8/3-N, NK 8/4-N, NK 2/1 GE, NK 2/2 GE, NK 2/3 GE, NK 2/4 GE, NK 2/5 GE, NK 2/6 GE, NK 4/3 GE, NK 4/4 GE, NK 4/5 GE, NK 4/6 GE, NK 8/3 GE, NK 8/4 GE, NK 2/2 GE-N, NK 2/3 GE-N, NK 2/4 GE -N, NK 2/5 GE-N, NK 2/6 GE-N, NK 4/3 GE-N, NK 4/4 GE-N, NK 4/5 GE-N, NK 4/6 GE-N , NK 8/3 GE-N, NK 8/4 GE-N, UP 2/2, UP 2/3, UP 2/4, UP 2/5, UP 2/6, UP 4/3, UP 4/ 4, UP 4/5, UP 4/6, UP 8/3, UP 8/4, UP 2/2 GE, UP 2/3 GE, UP 2/4 GE, UP 2/5 GE, UP 2/6 GE, UP 4/3 GE, UP 4/4 GE, UP 4/5 GE, UP 4/6 GE, UP 8/3 GE, UP 8/4 GE, FLUID SOLAR 1/10, FLUID SOLAR 1/20, FLUID SOLAR 2/6, FLUID SOLAR 2/14, FLUID SOLAR 4/4, FLUID SOLAR 4/8, FLUID SOLAR 6/3, FLUID SOLAR 6/6. 11516521600 .
Delivery Options
| Carrier | Description | Estimated Delivery | |
|---|---|---|---|
![]() | Mail Boxes - 2 giorni | This courier delivers within 48 hours from the moment we entrust the products to him. | Monday 1 December - Tuesday 2 December |
![]() | Poste Italiane - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust them with the products. | Monday 1 December - Tuesday 2 December |
![]() | DHL - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust the products to him. | Monday 1 December - Tuesday 2 December |
![]() | Poste Italiane - 3 giorni punto di ritiro | This courier delivers within 24/72 hours from the moment we entrust them with the products. | Monday 1 December |
![]() | Ritiro in negozio | Choose where to collect your order within 24/48 hours. | Monday 1 December |

Carrier: Mail Boxes - 2 giorni
Description: This courier delivers within 48 hours from the moment we entrust the products to him.
Estimated delivery:
Monday 1 December - Tuesday 2 December

Carrier: Poste Italiane - 2 giorni Italia
Description: This courier delivers within 24/48 hours from the moment we entrust them with the products.
Estimated delivery:
Monday 1 December - Tuesday 2 December

Carrier: DHL - 2 giorni Italia
Description: This courier delivers within 24/48 hours from the moment we entrust the products to him.
Estimated delivery:
Monday 1 December - Tuesday 2 December

Carrier: Poste Italiane - 3 giorni punto di ritiro
Description: This courier delivers within 24/72 hours from the moment we entrust them with the products.
Estimated delivery:
Monday 1 December

Carrier: Ritiro in negozio
Description: Choose where to collect your order within 24/48 hours.
Estimated delivery:
Monday 1 December



Mechanical seal for Pedrollo pumps.
Fixed ring in silicon carbide, rotating ring in graphite, elastomer in NBR and spring in ASI316 steel.
Shaft Ø 12 mm.
Original spare part for model NK 2/1, NK 2/2, NK 2/3, NK 2/4, NK 2/5, NK 2/6, NK 4/1, NK 4/2, NK 4/3, NK 4/4, NK 4/5, NK 4/6, NK 8/3, NK 8/4, NK 2/2-N, NK 2/3-N, NK 2/4-N, NK 2/5- N, NK 2/6-N, NK 4/3-N, NK 4/4-N, NK 4/5-N, NK 4/5-N, NK 4/6-N, NK 8/3-N , NK 8/4-N, NK 2/1 GE, NK 2/2 GE, NK 2/3 GE, NK 2/4 GE, NK 2/5 GE, NK 2/6 GE, NK 4/3 GE, NK 4/4 GE, NK 4/5 GE, NK 4/6 GE, NK 8/3 GE, NK 8/4 GE, NK 2/2 GE-N, NK 2/3 GE-N, NK 2/4 GE-N, NK 2/5 GE-N, NK 2/6 GE-N, NK 4/3 GE-N, NK 4/4 GE-N, NK 4/5 GE-N, NK 4/6 GE- N, NK 8/3 GE-N, NK 8/4 GE-N, UP 2/2, UP 2/3, UP 2/4, UP 2/5, UP 2/6, UP 4/3, UP 4 /4, UP 4/5, UP 4/6, UP 8/3, UP 8/4, UP 2/2 GE, UP 2/3 GE, UP 2/4 GE, UP 2/5 GE, UP 2/ 6 GE, UP 4/3 GE, UP 4/4 GE, UP 4/5 GE, UP 4/6 GE, UP 8/3 GE, UP 8/4 GE, FLUID SOLAR 1/10, FLUID SOLAR 1/20 , FLUID SOLAR 2/6, FLUID SOLAR 2/14, FLUID SOLAR 4/4, FLUID SOLAR 4/8, FLUID SOLAR 6/3, FLUID SOLAR 6/6.
The mechanical seal model ST1-16 is compatible with the following pump models:
| Brand | Typology | Model | Version | See all spare parts |
|---|---|---|---|---|
| Pedrollo | Submerged | FLUID SOLAR 1/10 | Version 00 - 2017 | View |
| Pedrollo | Submerged | FLUID SOLAR 1/10 | Version A - 2018 | View |
| Pedrollo | Submerged | FLUID SOLAR 1/10 | Version B - 2019 | View |
| Pedrollo | Submerged | FLUID SOLAR 1/20 | Version 00 - 2017 | View |
| Pedrollo | Submerged | FLUID SOLAR 1/20 | Version A - 2018 | View |
| Pedrollo | Submerged | FLUID SOLAR 1/20 | Version B - 2019 | View |
| Pedrollo | Submerged | FLUID SOLAR 2/6 | Version 00 - 2017 | View |
| Pedrollo | Submerged | FLUID SOLAR 2/6 | Version A - 2018 | View |
| Pedrollo | Submerged | FLUID SOLAR 2/6 | Version B - 2019 | View |
| Pedrollo | Submerged | FLUID SOLAR 2/14 | Version 00 - 2017 | View |
| Pedrollo | Submerged | FLUID SOLAR 2/14 | Version A - 2018 | View |
| Pedrollo | Submerged | FLUID SOLAR 2/14 | Version B - 2019 | View |
| Pedrollo | Submerged | FLUID SOLAR 4/4 | Version 00 - 2017 | View |
| Pedrollo | Submerged | FLUID SOLAR 4/4 | Version A - 2018 | View |
| Pedrollo | Submerged | FLUID SOLAR 4/4 | Version B - 2019 | View |
| Pedrollo | Submerged | FLUID SOLAR 4/8 | Version 00 - 2017 | View |
| Pedrollo | Submerged | FLUID SOLAR 4/8 | Version A - 2018 | View |
| Pedrollo | Submerged | FLUID SOLAR 4/8 | Version B - 2019 | View |
| Pedrollo | Submerged | FLUID SOLAR 6/3 | Version 00 - 2017 | View |
| Pedrollo | Submerged | FLUID SOLAR 6/3 | Version A - 2018 | View |
| Pedrollo | Submerged | FLUID SOLAR 6/3 | Version B - 2019 | View |
| Pedrollo | Submerged | FLUID SOLAR 6/6 | Version 00 - 2017 | View |
| Pedrollo | Submerged | FLUID SOLAR 6/6 | Version A - 2018 | View |
| Pedrollo | Submerged | FLUID SOLAR 6/6 | Version B - 2019 | View |
| Pedrollo | Submerged | UPm 2/2 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/2 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 2/2 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 2/2 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/3 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/3 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 2/3 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 2/3 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/4 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/4 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 2/4 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 2/4 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/5 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/5 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 2/5 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 2/5 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/6 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/6 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 2/6 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 2/6 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 4/3 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 4/3 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 4/3 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 4/3 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 4/4 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 4/4 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 4/4 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 4/4 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 4/5 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 4/5 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 4/5 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 4/5 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 4/6 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 4/6 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 4/6 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 4/6 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 8/3 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 8/3 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 8/4 | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 8/4 | Version B - 2021 | View |
| Pedrollo | Submerged | UP 8/4 | Version A - 2019 | View |
| Pedrollo | Submerged | UP 8/4 | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/2 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/2 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/3 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/3 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/4 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/4 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/5 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/5 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 2/6 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 2/6 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 4/3 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 4/3 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 4/4 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 4/4 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 4/5 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 4/5 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 4/6 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 4/6 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 8/3 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 8/3 GE | Version B - 2021 | View |
| Pedrollo | Submerged | UPm 8/4 GE | Version A - 2019 | View |
| Pedrollo | Submerged | UPm 8/4 GE | Version B - 2021 | View |
| Pedrollo | Submerged | NKm 2/1 | Version 00 | View |
| Pedrollo | Submerged | NKm 2/1 | Version A | View |
| Pedrollo | Submerged | NKm 2/1 | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 2/1 | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 2/2 | Version 00 - 2010 | View |
| Pedrollo | Submerged | NKm 2/2 | Version A | View |
| Pedrollo | Submerged | NKm 2/2 | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 2/2 | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 2/2 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 2/2 | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 2/3 | Version 00 | View |
| Pedrollo | Submerged | NKm 2/3 | Version A | View |
| Pedrollo | Submerged | NKm 2/3 | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 2/3 | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 2/3 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 2/3 | Version 00 | View |
| Pedrollo | Submerged | NK 2/3 | Version A | View |
| Pedrollo | Submerged | NK 2/3 | Version B - 2011 | View |
| Pedrollo | Submerged | NK 2/3 | Version C - 2011 | View |
| Pedrollo | Submerged | NK 2/3 | Version D | View |
| Pedrollo | Submerged | NKm 2/4 | Version 00 | View |
| Pedrollo | Submerged | NKm 2/4 | Version A | View |
| Pedrollo | Submerged | NKm 2/4 | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 2/4 | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 2/4 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 2/4 | Version 00 | View |
| Pedrollo | Submerged | NK 2/4 | Version A | View |
| Pedrollo | Submerged | NK 2/4 | Version B - 2011 | View |
| Pedrollo | Submerged | NK 2/4 | Version C - 2011 | View |
| Pedrollo | Submerged | NK 2/4 | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 2/5 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 2/5 | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 2/6 | Version E | View |
| Pedrollo | Submerged | NK 2/6 | Version E | View |
| Pedrollo | Submerged | NKm 4/1 | Version 00 | View |
| Pedrollo | Submerged | NKm 4/1 | Version A | View |
| Pedrollo | Submerged | NKm 4/1 | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 4/1 | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 4/2 | Version 00 | View |
| Pedrollo | Submerged | NKm 4/2 | Version A | View |
| Pedrollo | Submerged | NKm 4/2 | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 4/2 | Version C - 2011 | View |
| Pedrollo | Submerged | NK 4/2 | Version 00 | View |
| Pedrollo | Submerged | NK 4/2 | Version A - 2011 | View |
| Pedrollo | Submerged | NK 4/2 | Version B - 2011 | View |
| Pedrollo | Submerged | NK 4/2 | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 4/3 | Version 00 | View |
| Pedrollo | Submerged | NKm 4/3 | Version A | View |
| Pedrollo | Submerged | NKm 4/3 | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 4/3 | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 4/3 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 4/3 | Version 00 | View |
| Pedrollo | Submerged | NK 4/3 | Version A | View |
| Pedrollo | Submerged | NK 4/3 | Version B - 2011 | View |
| Pedrollo | Submerged | NK 4/3 | Version C - 2011 | View |
| Pedrollo | Submerged | NK 4/3 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 4/4 | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 4/5 | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 4/6 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 4/6 | Version 00 - 2016 | View |
| Pedrollo | Submerged | NK 4/6 | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 8/3 | Version 00 - 2016 | View |
| Pedrollo | Submerged | NKm 8/3 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 8/3 | Version 00 - 2016 | View |
| Pedrollo | Submerged | NKm 8/4 | Version 00 - 2016 | View |
| Pedrollo | Submerged | NKm 8/4 | Version E - 2021 | View |
| Pedrollo | Submerged | NK 8/4 | Version 00 - 2016 | View |
| Pedrollo | Submerged | NK 8/4 | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 2/2-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NK 2/2-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NKm 2/3-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NK 2/3-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NKm 2/4-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NK 2/4-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NKm 2/5-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NK 2/5-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NKm 2/6-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NK 2/6-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NK 4/5-N | Version 00 - 2016 | View |
| Pedrollo | Submerged | NKm 4/6-N | Version 00 | View |
| Pedrollo | Submerged | NK 4/6-N | Version 00 | View |
| Pedrollo | Submerged | NKm 8/3-N | Version A - 2017 | View |
| Pedrollo | Submerged | NK 8/3-N | Version A - 2017 | View |
| Pedrollo | Submerged | NKm 8/4-N | Version A - 2017 | View |
| Pedrollo | Submerged | NK 8/4-N | Version A - 2017 | View |
| Pedrollo | Submerged | NKm 2/1 GE | Version 00 | View |
| Pedrollo | Submerged | NKm 2/1 GE | Version A | View |
| Pedrollo | Submerged | NKm 2/1 GE | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 2/1 GE | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 2/2 GE | Version 00 | View |
| Pedrollo | Submerged | NKm 2/2 GE | Version A | View |
| Pedrollo | Submerged | NKm 2/2 GE | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 2/2 GE | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 2/2 GE | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 2/3 GE | Version 00 | View |
| Pedrollo | Submerged | NKm 2/3 GE | Version A | View |
| Pedrollo | Submerged | NKm 2/3 GE | Version B - 2011 | View |
| Pedrollo | Submerged | NKm 2/3 GE | Version C - 2011 | View |
| Pedrollo | Submerged | NKm 2/3 GE | Version E - 2021 | View |
| Pedrollo | Submerged | NKm 2/4 GE | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 2/5 GE | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 2/6 GE | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 4/3 GE | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 4/4 GE | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 4/5 GE | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 4/6 GE | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 8/3 GE | Version A - 2017 | View |
| Pedrollo | Submerged | NKm 8/4 GE | Version A - 2019 | View |
| Pedrollo | Submerged | NKm 2/2 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 2/3 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 2/4 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 2/5 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 2/6 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 4/3 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 4/4 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 4/5 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 4/6 GE-N | Version 00 - 2017 | View |
| Pedrollo | Submerged | NKm 8/3 GE-N | Version A - 2017 | View |
| Pedrollo | Submerged | NKm 8/4 GE-N | Version A - 2019 | View |

