Professional Warning Sign - Danger! Valve Must Not Be Opened - Durable Materials and Multiple Sizes for Safety Compliance

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About This Product
  • Free UK mainland delivery included
  • Same-day dispatch when ordered before 2pm

Product Overview

This professional warning sign clearly states 'Danger! Valve Must Not Be Opened' and is available in various materials and sizes for effective, high-visibility marking. Ideal for workplaces, warehouses, public environments, and properties where clear information and safety are essential.

Materials & Installation

  • Self-Adhesive Decal (Vinyl) – For smooth surfaces. Easy installation without tools.
  • Plastic Sign (PVC-free Rigid Plastic) – Sturdy and durable sign for indoor use. Can be mounted with double-sided tape or sign holder.
  • Magnet – Attaches to flat steel surfaces (e.g., machines, shelving, vehicles). Simple to apply and remove.
  • Aluminum Sign – 3 mm plate with PE core. Impact-resistant, corrosion-resistant, and UV-stable for long-lasting use.

Dimensions & Specifications

Size Self-Adhesive Decal Plastic Sign Magnet Aluminum Sign
A6 105×148 mm 105×148×1.2 mm 105×148×0.85 mm 105×148×3 mm
A5 148×210 mm 148×210×1.2 mm 148×210×0.85 mm 148×210×3 mm
A4 210×297 mm 210×297×1.2 mm 210×297×0.85 mm 210×297×3 mm

Technical Specifications

  • Surface: Semi-gloss for high readability.
  • Print: High-resolution UV-resistant print.
  • Mounting: Tape, sign holder, magnet, or screws (for aluminum).
  • Substrate: Smooth, clean, and dry surfaces for best adhesion.

Applications

Ideal for signage in industrial settings, warehouses, construction sites, offices, schools, retail, and public spaces. Choose material based on substrate compatibility and environmental requirements.

Detail by Material (Including Dimensions)

Self-Adhesive Decal (Vinyl) for Mounting on Smooth Surfaces:
A6 – 105×148 mm
A5 – 148×210 mm
A4 – 210×297 mm

Plastic Sign (PVC-free Rigid Plastic) for Indoor Use:
A6 – 105×148×1.2 mm
A5 – 148×210×1.2 mm
A4 – 210×297×1.2 mm

Magnet – Easy to Apply and Remove from Smooth Steel Surfaces:
A6 – 105×148×0.85 mm
A5 – 148×210×0.85 mm
A4 – 210×297×0.85 mm

Aluminum Sign – Durable Warning Sign Available in Aluminum Plate (3 mm with PE Core):
A6 – 105×148×3 mm
A5 – 148×210×3 mm
A4 – 210×297×3 mm

Frequently Asked Questions

  • What surfaces can the self-adhesive decal be applied to?
    It can be applied to any smooth surface that is clean and dry.
  • Is the aluminum sign weather-resistant?
    Yes, it is impact-resistant and designed to withstand various weather conditions.
  • How do I install the plastic sign?
    It can be easily mounted using double-sided tape or a sign holder.

Download Spec Sheet

PDF with image, specifications & dimensions

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Description

Product Overview

This professional warning sign clearly states 'Danger! Valve Must Not Be Opened' and is available in various materials and sizes for effective, high-visibility marking. Ideal for workplaces, warehouses, public environments, and properties where clear information and safety are essential.

Materials & Installation

  • Self-Adhesive Decal (Vinyl) – For smooth surfaces. Easy installation without tools.
  • Plastic Sign (PVC-free Rigid Plastic) – Sturdy and durable sign for indoor use. Can be mounted with double-sided tape or sign holder.
  • Magnet – Attaches to flat steel surfaces (e.g., machines, shelving, vehicles). Simple to apply and remove.
  • Aluminum Sign – 3 mm plate with PE core. Impact-resistant, corrosion-resistant, and UV-stable for long-lasting use.

Dimensions & Specifications

Size Self-Adhesive Decal Plastic Sign Magnet Aluminum Sign
A6 105×148 mm 105×148×1.2 mm 105×148×0.85 mm 105×148×3 mm
A5 148×210 mm 148×210×1.2 mm 148×210×0.85 mm 148×210×3 mm
A4 210×297 mm 210×297×1.2 mm 210×297×0.85 mm 210×297×3 mm

Technical Specifications

  • Surface: Semi-gloss for high readability.
  • Print: High-resolution UV-resistant print.
  • Mounting: Tape, sign holder, magnet, or screws (for aluminum).
  • Substrate: Smooth, clean, and dry surfaces for best adhesion.

Applications

Ideal for signage in industrial settings, warehouses, construction sites, offices, schools, retail, and public spaces. Choose material based on substrate compatibility and environmental requirements.

Detail by Material (Including Dimensions)

Self-Adhesive Decal (Vinyl) for Mounting on Smooth Surfaces:
A6 – 105×148 mm
A5 – 148×210 mm
A4 – 210×297 mm

Plastic Sign (PVC-free Rigid Plastic) for Indoor Use:
A6 – 105×148×1.2 mm
A5 – 148×210×1.2 mm
A4 – 210×297×1.2 mm

Magnet – Easy to Apply and Remove from Smooth Steel Surfaces:
A6 – 105×148×0.85 mm
A5 – 148×210×0.85 mm
A4 – 210×297×0.85 mm

Aluminum Sign – Durable Warning Sign Available in Aluminum Plate (3 mm with PE Core):
A6 – 105×148×3 mm
A5 – 148×210×3 mm
A4 – 210×297×3 mm

Frequently Asked Questions

  • What surfaces can the self-adhesive decal be applied to?
    It can be applied to any smooth surface that is clean and dry.
  • Is the aluminum sign weather-resistant?
    Yes, it is impact-resistant and designed to withstand various weather conditions.
  • How do I install the plastic sign?
    It can be easily mounted using double-sided tape or a sign holder.
Professional Warning Sign - Danger! Valve Must Not Be Opened - Durable Materials and Multiple Sizes for Safety Compliance

Professional Warning Sign - Danger! Valve Must Not Be Opened - Durable Materials and Multiple Sizes for Safety Compliance

£10.00

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