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Check Or Non Return Valve Jacket Insulation - 4 Inch (100mm) x Silver x Internal Flanged Type

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(incl VAT) £59.80 £54.36
-10%
(excl VAT) £45.30
Estimated Delivery Date Jun 27, 2025 - Jul 01, 2025
No deliveries on weekends or holidays.

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Our team is happy to fulfil custom orders, offer special bulk discounts you cannot get from the website. Please get in touch today to discuss your needs.

Please noteAll Valve jackets are made to order, No returns, refunds or exchanges will be applicable. If you are unsure of the size/type of jacket, please email us a picture of the valve and we can advise accordingly, before placing the order. We will assist you in any way we can.

Insulation jackets are perfect to insulate check valves, primarily because, they reduce heat loss whilst also protecting check valves from external damage. In our expert opinion, valve jackets are the perfect insulation solution to check valves, here’s why:

Easy to install and Maintain: Unlike the rigid insulation that was previously used to insulate check valves, valve jackets are flexible and easy to use. They have velcro straps and pull cords that ensure superior insulation even around the awkward angles of the non-return valves. They can be just as easily reapplied without any damage to the check valves or loss of insulation. 

Thermal Insulation: Thermal insulation jackets contain 50mm Rockwool insulation. Mineral wool with low thermal conductivity helps reduce heat loss in check valves. They give superior insulation around the check valves thereby saving both energy and money. Valve covers are particularly helpful in commercial and industrial environments.

Safer Workplace: Valve jacket insulation is made with high-quality silicone-coated glass cloth for both outdoor and indoor applications. The valve covers that we make not only ensure a smooth and neat finish but also help protect personnel from direct contact with hot surfaces. They help reduce cases of accidents leading to burns in workplaces. Since valve jackets provide superior thermal insulation to the valves, it helps reduce condensation and sweating in check valves. This, in turn, minimises instances of small pools of water being formed due to condensation eventually leading to slips or accidents in the workplace.

Product Specification:

  • Product Sizes: 15mm, 20mm, 25mm, 32mm, 40mm, 50mm, 65mm, 77mm, 100mm, 125mm, 150mm, 200mm, 250mm and 300mm.
  • Colours: Standard grey, silver and black.
  • Type:
  1. External jackets: External valve jackets have a waterproof PVC layer on the outside whilst their inner side is made of silicone glass cloth
  2. Internal jackets: Internal valve jackets are made of silicone glass cloth on both sides.

Key Features:

  • Valve covers are the perfect, flexible and lightweight insulation solution for check valves. 
  • Easy to use, handle and install.
  • Cost-effective and convenient valve jackets reduce energy bills.
  • Airtight fitting ensured with velcro flaps and pull cords.
  • Designs to perfectly fit the check valves.
  • Improves workplace safety.

Applications:

  • Designed to closely fit around check union valves to maximise insulation and prevent heat loss.

Product Details:

  • Service Temperature: -20ºC to 220ºC
  • Insulation: 50mm Rockwool
  • Cloth: Silicone glass cloth / PVC

Note:

  • All Valve jackets are made to order, No returns, refunds or exchanges will be applicable. If you are unsure of the size, please email us a picture of the valve and its dimensions for our experts to access and make the valve covers suitable for your application. We will assist you in any way we can.
  • Lead times for check valve covers within the UK: 1-10 units: 5-7 working days, Anything above that, please email us for the lead times. 
Delivery Terms
All Orders £20 +VAT

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