Portwest FR36 Navy Bizflame Pro Class 1 Welding Trousers

  • Inherently flame resistant anti-static trousers
  • Ideal for metal workers or assembly
  • High level of protection against molten iron splashes
  • Durable twin-stitched seams
Our Price:  £21.79
Excl. VAT. (£26.15 Inc. 20% VAT)

Portwest FR36 Navy Bizflame Pro Class 1 Welding Trousers

Hazards such as flames, heat and molten metal splashes can be faced with confidence whilst wearing the Portwest FR36 Navy Bizflame Pro Class 1 Welding Trousers. The trousers possess inherent flame resistant and anti-static properties and feature twin-stitched seams for durability.

What Can the Navy Bizflame Pro Class 1 Welding Trousers Do for Me?

The trousers have several helpful features:

  • Flame Resistant: Guaranteed resistance to radiant, convective and contact heat for life of the garment
  • Welding Protection: Class 1 welding protection and highest level of protection from molten iron splashes under EN 11612
  • Anti-Static: Inherent anti-static properties to prevent a build-up of static charge in combustible environments
  • Functional: Durable twin-stitched seams, elasticated back waist for secure fit and two handy pockets

The inherent anti-static properties and flame resistance are both conferred on the trousers by virtue of the innovative material used to construct them; Bizflame Pro.

Are the Portwest Bizflame Pro Welding Trousers Available in Any Other Colours?

The Portwest trousers are also available in Grey.

Who Can Use the Portwest Bizflame Pro Trousers?

The Portwest trousers are ideal for environments where flame, heat, splashes of molten iron and other welding related hazards need to be considered. The trousers will prevent the build-up of static charge around the wearer, which is essential for easily combustible workplaces. Following is a short list of professions and environments for which the trousers are well suited:

  • Assembly
  • Fabricators
  • Boiler makers
  • Metal workers
  • Sheet metal workers
  • Plumbers

Which Size Is Right for Me?

To establish the correct size for you please measure the circumference of your waist as illustrated in the diagram. Then, with reference to the table below select the right option from the drop down menu at the top of the page.

Waist Measurement

Size Waist Measurement (cm)
Small 76 - 80cm
Medium 81 - 88cm
Large 89 - 96cm
Extra Large 97 - 104cm
XX-Large 105 - 112cm
XXX-Large 113 - 120cm

What Certifications Have the Portwest Class 1 Welding Trousers Received?

The Portwest trousers have undergone thorough testing, so you can be certain of your safety at work.

  • EN 11612:
    • A1: Limited flame spread
    • A2: Limited flame spread, hemmed
    • B1: Convective heat (scale 1 - 3)
    • C1: Radiant heat (scale 1 - 4)
    • E3: Molten iron splash (scale 1 - 3)
    • F1: Contact heat (scale 1 - 3)
  • EN ISO 11611
    • Class 1
    • A1
    • A2
  • EN 1149:
    • 5: Protects against electrostatic discharge in case of an explosion

What Do These Certifications Mean?

  • EN 1149-5: This standard demonstrates whether a garment protects against electrostatic discharge in environments such as petrochemical refineries where there is a risk of explosion
  • EN 11612: This standard determines whether a garment offers protection against heat and flames, and whether this protection extends to convective, radiant or contact heat
  • EN 11611: This standard shows whether an item of clothing is suitable for welding or similar tasks and will protect the wearer from heat and metal splashes

The welding trousers are inherently anti-static and resistant to convective, contact and radiant heat. They have received class 1 welding protection, and the highest level of protection against molten iron splashes under EN 11612.

Is Further Information Available on These Certifications?

If you would like to find out more about the standards mentioned here please read one of our blogs on the subject:

What Are the Key Features of the Bizflame Pro Trousers?

  • Inherent flame resistance
  • Class 1 welding protection
  • Durable brass zips and twin-stitched seams
  • Elasticated back waist for comfort
  • Rule pocket for secure storage
  • OEKO-TEX certified as free from harmful chemicals

How Should I Care for the Portwest Trousers?

  • Wash at temperatures of 40°C or below
  • Do not bleach
  • Do not tumble dry
  • Iron at medium temperatures
  • Do not dry clean

What Are the Technical Details of the Bizflame Pro Trousers?

  • Shell Fabric: 99% cotton, 1 % carbon fibre 330g

What Documentation Is Available?

Conformity Statement Instructions for Use
Portwes 371 Conformity Download the Instruction Manual for the Towa Gloves

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This item will be dispatched by 1st Class Royal Mail, DPD courier or UPS courier.

The estimated delivery time for this item is usually 1-3 working days when ordered before 14:00, Monday to Friday (excluding Bank Holidays).

Please contact our Customer Care Team on 020 7501 0598 for an up to the minute delivery expectation for this product.

UK Delivery Charges

Certain orders delivered to the UK are subject to a delivery charge; refer to the table below for more information. Please note that all values are listed exclusive of VAT.

Order Value UK Delivery Charge
Up to £39.99 £4.95
£40.00 and over FREE

Coronavirus Update

Please note that, due to the current COVID-19 pandemic, our processing time may increase slightly. We would advise that orders may be set back by as much as five working days, though we are striving to keep our delivery schedule as close to normal as possible.

If you have been waiting over 7 working days for your order and would like an update, please contact our Customer Care team at helpdesk@workwear.co.uk.