ParoFluor Ultra V8545-75 FFKM O-Ring UK Suppliers

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Reviewed by MLC Editorial Team | 26 July 2026

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ParoFluor Ultra V8545-75 is a 75 Shore A perfluoroelastomer (FFKM) manufactured by Parker Hannifin. It seals continuously to 318°C and is specified for refinery and similar service. Parker FFKM thermal grade.

Specifications

Property	Value
Compound	V8545-75
Manufacturer	Parker Hannifin
Maximum continuous temperature	318°C
Minimum temperature	0°C
Hardness	75 Shore A
Colour	Black
Material family	Parker FFKM thermal grade

Where ParoFluor Ultra V8545-75 is used

ParoFluor Ultra V8545-75 is specified for: Refinery, chemical process.

ParoFluor Ultra V8545-75 equivalents from other FFKM manufacturers

If ParoFluor Ultra V8545-75 isn't available, these compounds from competing manufacturers have similar chemistry and operating windows. Always verify against your actual fluid and temperature before substitution.

Equivalent compound	Manufacturer	Max temp	Hardness	Direct match
Kalrez 4079	DuPont (Chemours)	316°C	75 Shore A	✓

Available O-ring sizes

ParoFluor Ultra V8545-75 is supplied in:

BS 1806 sizes: BS001 to BS932 (UK / EU standard, imperial-origin metric)
AS568 sizes: -001 to -932 (US standard, dimensionally identical to BS 1806)
ISO 3601 sizes: metric IDs from 2 mm to 670 mm with cross-sections 1.0 mm to 7.0 mm
JIS B 2401: P, G, S series (Japanese OEM equipment)
Custom / non-standard: built-to-print for OEM applications

For a list of sizes commonly stocked in the UK, see the BS 1806 size chart, ISO 3601 metric chart, or contact a UK seal specialist below.

UK availability

ParoFluor Ultra V8545-75 is supplied in the UK by FFKM specialists carrying multiple manufacturer lines. Lead time is typically 2-5 working days for stock sizes, 4-8 weeks for custom-moulded sizes. Use the form below to get a quote from a UK FFKM specialist.

Get a quote for ParoFluor Ultra V8545-75 FFKM O-Ring UK Suppliers

Acumen Seals & Pumps - UK specialist in mechanical seals, FFKM O-rings, Kalrez compounds, and elastomer parts. 36 years of inventory, UK stock with 24-48 hour despatch, and a price back within 4 working hours.

Send an enquiry via the MLC contact form

References

Parker Hannifin - Manufacturer
ISO 3601 O-ring sizes
BS 1806

Frequently Asked Questions

What is ParoFluor Ultra V8545-75 used for?

ParoFluor Ultra V8545-75 is a 75 Shore A FFKM (perfluoroelastomer) compound from Parker Hannifin. It is used in Refinery, chemical process. Continuous service temperature: 0°C to 318°C.

What is the temperature rating of ParoFluor Ultra V8545-75?

ParoFluor Ultra V8545-75 has a continuous service temperature range of 0°C to 318°C. Short-term excursions above the maximum are possible but degrade service life.

What is the equivalent of ParoFluor Ultra V8545-75?

Direct equivalents to ParoFluor Ultra V8545-75 include: Kalrez 4079. Always confirm chemical compatibility against your specific fluid before substitution.

How much does ParoFluor Ultra V8545-75 cost?

FFKM O-rings such as ParoFluor Ultra V8545-75 are typically £30 to £500 per piece depending on size, with custom or large-bore parts at the upper end. Get a current quote via the form on this page.

Where can I buy ParoFluor Ultra V8545-75 in the UK?

ParoFluor Ultra V8545-75 is supplied in the UK by independent FFKM seal specialists with multi-brand inventory. Lead time is 2-5 working days for stock BS/AS568 sizes, 4-8 weeks for custom-moulded sizes.

Independent UK engineering trade publication. Company profiles cross-referenced with Companies House.

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Get a UK price for ParoFluor Ultra V8545-75 FFKM O-Ring UK Suppliers

Andrew Sykes at Acumen Seals & Pumps — 36 years in sealing. UK stock with 24–48 hour despatch, and a price back within 4 working hours. OEM and production-run enquiries welcome, from a single seal to scheduled supply of thousands of parts.

Your enquiry goes straight to Acumen Seals & Pumps in the UK. No obligation, and we never pass your details to anyone else.