Check Or Non Return Valve Jacket Insulation

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In Stock
Product Code: STCVJ
Est. Delivery: 2-3 Working Days
Shipping cost displayed in basket
£9.49 (ex VAT)
£11.39 (incl VAT)

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We can visit your site, quote and install the insulation jackets for you. Send Request

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 airtight 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 25-50mm Sager or Rockwool insulation. Mineral wool with low thermal conductivity helps reduce heat loss in check valves. They give airtight 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 finishing 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, white and black.
  • Type: External jackets and Internal jackets.

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.


  • 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
  • Coating: Silicone-coated glass cloth 


  • We can print your company logo on the jackets for free. Email us your logo for custom-made check valve covers. 
  • Lead times for check valve covers within the UK: 1-99 units:2-3 working days; 100 - 500 units: 7 working days and 500- 1000 units: 1-2 weeks. Bespoke items may take longer as we may require additional information from customers
  • We do site surveys and supply valve covers or we can only survey your premises. If you would like a site survey, kindly email us with your site address.
  • The prices for the chilled/cold water valve jackets may differ from the ones displayed on the website. Chilled/cold water valves usually need to be wrapped with a vapour barrier which would increase the size of the jacket required and also the cost. If you need chilled/cold water valve covers, please mail us your requirements at [email protected] and we will send you a quote for your order. 

Average Customer Rating
Overall 5.0

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