ST1-12 - 12 mm mechanical seal
Replacement for Pedrollo PK 90, PQ 70, PQ 80, PQ 81, PQ 90, PQ 60-BS, PQ 65-BS, PQ 81-Bs, PQA 60, PQA 70, PQA 72, PQA 80, PQA 82, PQA 90 , PQ 81/PRO, PV 55, PV 60, PV 65, PV 70, PV 81, PV 90.
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. | Tuesday 11 November - Wednesday 12 November |
![]() | Poste Italiane - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust them with the products. | Tuesday 11 November - Wednesday 12 November |
![]() | DHL - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust the products to him. | Tuesday 11 November - Wednesday 12 November |
![]() | Poste Italiane - 3 giorni punto di ritiro | This courier delivers within 24/72 hours from the moment we entrust them with the products. | Monday 10 November |
![]() | Ritiro in negozio | Choose where to collect your order within 24/48 hours. | Monday 10 November |

Carrier: Mail Boxes - 2 giorni
Description: This courier delivers within 48 hours from the moment we entrust the products to him.
Estimated delivery:
Tuesday 11 November - Wednesday 12 November

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:
Tuesday 11 November - Wednesday 12 November

Carrier: DHL - 2 giorni Italia
Description: This courier delivers within 24/48 hours from the moment we entrust the products to him.
Estimated delivery:
Tuesday 11 November - Wednesday 12 November

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 10 November

Carrier: Ritiro in negozio
Description: Choose where to collect your order within 24/48 hours.
Estimated delivery:
Monday 10 November



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 PK 90, PQ 70, PQ 80-81-90,PQ 60-BS, PQ 65-BS, PQ 81-Bs, PQA 60, PQA 70, PQA 72, PQA 80, PQA 82, PQA 90, PQ 81/PRO, PV 55, PV 60, PV 65, PV 70, PV 81, PV 90.
The mechanical seal model ST1-12 is compatible with the following pump models:
| Brand | Typology | Model | Version | See all spare parts |
|---|---|---|---|---|
| Pedrollo | Peripherals | PKm 90 | Version A | View |
| Pedrollo | Peripherals | PKm 90 | Version B | View |
| Pedrollo | Peripherals | PKm 90 | Version C | View |
| Pedrollo | Peripherals | PKm 90 | Version D | View |
| Pedrollo | Peripherals | PKm 90 | Version E-2014 | View |
| Pedrollo | Peripherals | PKm 90 | Version F-2018 | View |
| Pedrollo | Peripherals | PKm 90 | Version G-2019 | View |
| Pedrollo | Peripherals | PKm 90 | Version H-2020 | View |
| Pedrollo | Peripherals | PK 90 | Version A | View |
| Pedrollo | Peripherals | PK 90 | Version B | View |
| Pedrollo | Peripherals | PK 90 | Version C-2010 | View |
| Pedrollo | Peripherals | PK 90 | Version D-2014 | View |
| Pedrollo | Peripherals | PK 90 | Version E-2018 | View |
| Pedrollo | Peripherals | PK 90 | Version F-2019 | View |
| Pedrollo | Peripherals | PK 90 | Version G-2020 | View |
| Pedrollo | Peripherals | PQm 70 | Version A-2008 | View |
| Pedrollo | Peripherals | PQm 70 | Version B | View |
| Pedrollo | Peripherals | PQ 70 | Version A | View |
| Pedrollo | Peripherals | PQ 70 | Version B-2010 | View |
| Pedrollo | Peripherals | PQ 70 | Version C | View |
| Pedrollo | Peripherals | PQm 80 | Version A-2008 | View |
| Pedrollo | Peripherals | PQm 80 | Version B | View |
| Pedrollo | Peripherals | PQm 80 | Version C | View |
| Pedrollo | Peripherals | PQ 80 | Version A | View |
| Pedrollo | Peripherals | PQ 80 | Version B-2010 | View |
| Pedrollo | Peripherals | PQ 80 | Version C | View |
| Pedrollo | Peripherals | PQm 90 | Version A-2008 | View |
| Pedrollo | Peripherals | PQm 90 | Version B | View |
| Pedrollo | Peripherals | PQm 90 | Version C | View |
| Pedrollo | Peripherals | PQm 90 | Version D-2018 | View |
| Pedrollo | Peripherals | PQm 90 | Version E-2019 | View |
| Pedrollo | Peripherals | PQm 90 | Version F-2020 | View |
| Pedrollo | Peripherals | PQ 90 | Version A-2010 | View |
| Pedrollo | Peripherals | PQ 90 | Version B | View |
| Pedrollo | Peripherals | PQ 90 | Version C | View |
| Pedrollo | Peripherals | PQ 90 | Version D-2018 | View |
| Pedrollo | Peripherals | PQ 90 | Version E-2019 | View |
| Pedrollo | Peripherals | PQ 90 | Version F-2020 | View |
| Pedrollo | Peripherals | PQm 81 | Version A | View |
| Pedrollo | Peripherals | PQm 81 | Version B-2007 | View |
| Pedrollo | Peripherals | PQm 81 | Version C | View |
| Pedrollo | Peripherals | PQm 81 | Version D-2016 | View |
| Pedrollo | Peripherals | PQm 81 | Version E-2018 | View |
| Pedrollo | Peripherals | PQ 81 | Version A-2007 | View |
| Pedrollo | Peripherals | PQ 81 | Version B | View |
| Pedrollo | Peripherals | PQ 81 | Version C-2016 | View |
| Pedrollo | Peripherals | PQ 81 | Version D-2016 | View |
| Pedrollo | Peripherals | PQm 60-Bs | Version 00-2011 | View |
| Pedrollo | Peripherals | PQm 60-Bs | Version A-2012 | View |
| Pedrollo | Peripherals | PQm 60-Bs | Version B-2018 | View |
| Pedrollo | Peripherals | PQ 60-Bs | Version 00-2011 | View |
| Pedrollo | Peripherals | PQ 60-Bs | Version A-2012 | View |
| Pedrollo | Peripherals | PQ 60-Bs | Version B-2018 | View |
| Pedrollo | Peripherals | PQm 65-Bs | Version A-2012 | View |
| Pedrollo | Peripherals | PQm 65-Bs | Version B | View |
| Pedrollo | Peripherals | PQm 65-Bs | Version C-2018 | View |
| Pedrollo | Peripherals | PQ 65-Bs | Version A-2012 | View |
| Pedrollo | Peripherals | PQ 65-Bs | Version B | View |
| Pedrollo | Peripherals | PQ 65-Bs | Version C-2018 | View |
| Pedrollo | Peripherals | PQm 81-Bs | Version A | View |
| Pedrollo | Peripherals | PQm 81-Bs | Version B-2007 | View |
| Pedrollo | Peripherals | PQm 81-Bs | Version C | View |
| Pedrollo | Peripherals | PQm 81-Bs | Version D-2016 | View |
| Pedrollo | Peripherals | PQm 81-Bs | Version E-2018 | View |
| Pedrollo | Peripherals | PQ 81-Bs | Version A-2004 | View |
| Pedrollo | Peripherals | PQ 81-Bs | Version B | View |
| Pedrollo | Peripherals | PQ 81-Bs | Version C-2016 | View |
| Pedrollo | Peripherals | PQ 81-Bs | Version D-2018 | View |
| Pedrollo | Peripherals | PQm 81-PRO | Version 00-2018 | View |
| Pedrollo | Peripherals | PQm 81-PRO | Version A-2019 | View |
| Pedrollo | Peripherals | PQ 81-PRO | Version 00-2018 | View |
| Pedrollo | Peripherals | PQm 81 Bs-PRO | Version G | View |
| Pedrollo | Peripherals | PQ 81 Bs-PRO | Version G | View |
| Pedrollo | Peripherals | PVm 55 | Version D-2012 | View |
| Pedrollo | Peripherals | PVm 55 | Version E-2018 | View |
| Pedrollo | Peripherals | PVm 55 | Version F-2021 | View |
| Pedrollo | Peripherals | PV 55 | Version E-2012 | View |
| Pedrollo | Peripherals | PV 55 | Version F-2021 | View |
| Pedrollo | Peripherals | PVm 60 | Version 00-2016 | View |
| Pedrollo | Peripherals | PVm 60 | Version A-2018 | View |
| Pedrollo | Peripherals | PV 60 | Version 00-2016 | View |
| Pedrollo | Peripherals | PV 60 | Version A-2018 | View |
| Pedrollo | Peripherals | PVm 65 | Version 00-2016 | View |
| Pedrollo | Peripherals | PVm 65 | Version A-2018 | View |
| Pedrollo | Peripherals | PV 65 | Version 00-2016 | View |
| Pedrollo | Peripherals | PV 65 | Version A-2018 | View |
| Pedrollo | Peripherals | PV 90 | Version 00-2016 | View |
| Pedrollo | Peripherals | PV 90 | Version A-2018 | View |
| Pedrollo | Peripherals | PV 90 | Version B-2019 | View |
| Pedrollo | Peripherals | PV 90 | Version C-2020 | View |
| Pedrollo | Peripherals | PVm 70 | Version 00-2016 | View |
| Pedrollo | Peripherals | PVm 70 | Version A-2018 | View |
| Pedrollo | Peripherals | PVm 70 | Version B-2019 | View |
| Pedrollo | Peripherals | PVm 70 | Version C-2020 | View |
| Pedrollo | Peripherals | PV 70 | Version 00-2016 | View |
| Pedrollo | Peripherals | PV 70 | Version A-2018 | View |
| Pedrollo | Peripherals | PV 70 | Version B-2019 | View |
| Pedrollo | Peripherals | PV 70 | Version C-2020 | View |
| Pedrollo | Peripherals | PVm 81 | Version 00-2016 | View |
| Pedrollo | Peripherals | PVm 81 | Version A-2018 | View |
| Pedrollo | Peripherals | PV 81 | Version 00-2016 | View |
| Pedrollo | Peripherals | PV 81 | Version A | View |
| Pedrollo | Peripherals | PVm 90 | Version 00-2016 | View |
| Pedrollo | Peripherals | PVm 90 | Version A-2018 | View |
| Pedrollo | Peripherals | PVm 90 | Version B-2019 | View |
| Pedrollo | Peripherals | PVm 90 | Version C-2020 | View |
| Pedrollo | Peripherals | PQAm 60 | Version 00-2004 | View |
| Pedrollo | Peripherals | PQAm 60 | Version A-2012 | View |
| Pedrollo | Peripherals | PQAm 60 | Version B-2018 | View |
| Pedrollo | Peripherals | PQA 60 | Version 00-2005 | View |
| Pedrollo | Peripherals | PQA 60 | Version A-2012 | View |
| Pedrollo | Peripherals | PQA 60 | Version B-2018 | View |
| Pedrollo | Peripherals | PQAm 70 | Version C-2008 | View |
| Pedrollo | Peripherals | PQAm 70 | Version D | View |
| Pedrollo | Peripherals | PQAm 70 | Version E | View |
| Pedrollo | Peripherals | PQAm 70 | Version F-2018 | View |
| Pedrollo | Peripherals | PQAm 70 | Version G-2019 | View |
| Pedrollo | Peripherals | PQAm 70 | Version H-2020 | View |
| Pedrollo | Peripherals | PQA 70 | Version D-2010 | View |
| Pedrollo | Peripherals | PQA 70 | Version E | View |
| Pedrollo | Peripherals | PQA 70 | Version F-2018 | View |
| Pedrollo | Peripherals | PQA 70 | Version G-2019 | View |
| Pedrollo | Peripherals | PQA 70 | Version H-2020 | View |
| Pedrollo | Peripherals | PQAm 72 | Version C-2008 | View |
| Pedrollo | Peripherals | PQAm 72 | Version D | View |
| Pedrollo | Peripherals | PQAm 72 | Version E | View |
| Pedrollo | Peripherals | PQAm 72 | Version F-2018 | View |
| Pedrollo | Peripherals | PQAm 72 | Version G-2019 | View |
| Pedrollo | Peripherals | PQAm 72 | Version H-2019 | View |
| Pedrollo | Peripherals | PQA 72 | Version D-2010 | View |
| Pedrollo | Peripherals | PQA 72 | Version E | View |
| Pedrollo | Peripherals | PQA 72 | Version F-2018 | View |
| Pedrollo | Peripherals | PQA 72 | Version G-2019 | View |
| Pedrollo | Peripherals | PQA 72 | Version H-2019 | View |
| Pedrollo | Peripherals | PQAm 80 | Version C-2008 | View |
| Pedrollo | Peripherals | PQAm 80 | Version D | View |
| Pedrollo | Peripherals | PQAm 80 | Version E | View |
| Pedrollo | Peripherals | PQA 80 | Version D-2010 | View |
| Pedrollo | Peripherals | PQA 80 | Version E | View |
| Pedrollo | Peripherals | PQA 80 | Version F-2018 | View |
| Pedrollo | Peripherals | PQA 80 | Version G-2019 | View |
| Pedrollo | Peripherals | PQA 80 | Version H-2019 | View |
| Pedrollo | Peripherals | PQAm 82 | Version C-2008 | View |
| Pedrollo | Peripherals | PQAm 82 | Version D | View |
| Pedrollo | Peripherals | PQAm 82 | Version E | View |
| Pedrollo | Peripherals | PQA 82 | Version D-2010 | View |
| Pedrollo | Peripherals | PQA 82 | Version E | View |
| Pedrollo | Peripherals | PQAm 90 | Version A-2008 | View |
| Pedrollo | Peripherals | PQAm 90 | Version B | View |
| Pedrollo | Peripherals | PQAm 90 | Version C | View |
| Pedrollo | Peripherals | PQAm 90 | Version D-2018 | View |
| Pedrollo | Peripherals | PQAm 90 | Version E-2019 | View |
| Pedrollo | Peripherals | PQAm 90 | Version F-2020 | View |
| Pedrollo | Peripherals | PQA 90 | Version B-2010 | View |
| Pedrollo | Peripherals | PQA 90 | Version C | View |
| Pedrollo | Peripherals | PQA 90 | Version D-2018 | View |
| Pedrollo | Peripherals | PQA 90 | Version E-2019 | View |
| Pedrollo | Peripherals | PQA 90 | Version F-2020 | View |



