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Custom Removable Insulation Valve Wraps


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Custom Removable Insulation Valve Wraps image

Custom fit NOSWEAT™ insulated valve wraps can be designed to fit unique valve specifications quickly and easily.

For a fee of $150.00 plus the cost of the valve wrap, No Sweat Valve Wraps, LLC can run a sample of your custom wrap within two weeks. Simply provide the following information when you contact us:

  • Valve photos
  • System type and measurements
  • Type of insulation and insulation thickness
  • Time frame needed
  • Estimated quantity


  • All valves, strainers, autoflow valves, circuit setters, ball valves, balancing valves and combination valves, etc., in chilled water and heating hot water systems, shall be insulated with a factory fabricated removable and reusable cover.
  • Insulation shall have a minimum k- factor .26, using fiberglass blanket. Flame and smoke spread shall be 25/50 per ASTM E-84.
  • Outer jacket shall be made of material equal to DuPont Tychem® QC, overlapping and completely covering the insulation with seams joined by tabs made from hook and loop fasteners (Velcro). Butt ends shall have sewn- in-place elastic.
  • Outer jacket shall overlap adjoining sections of pipe insulation.
  • Installation shall not require the use of any special hand tools.
  • Manufacturers: No Sweat Valve Wraps, LLC, or approved equal.

Qualifications for use

Cold Systems

For fittings where operating temperature is below 45°F (7°C), or where the pipe insulation is greater than 1.5" (38mm), two or more layers of the insulation inserts are required beneath the NOSWEAT™ valve cover surface.

Hot Systems
  • Tychem QC should be limited and kept below 200°F (93°C) by use of proper insulation thickness.
  • Tychem QC should be kept away from contact with, or exposure to, sources of direct or radiated heat.
  • For fittings where operating temperatures exceed 250°F (121°C), or where pipe insulation is greater than 1.5" (38mm), two or more layers of the insulation inserts are required beneath the NOSWEAT™ valve cover surface.

Operating Temperature Limits
Tychem® QC: Up to 200°F (93°C)
Insert: 0°F to 450°F (-18°C to +232°C)
Fire/Smoke Performance
Flame Spread: < 25 (per ASTM E 84)
Smoke Developed: < 50 (per ASTM E 84)
Physical Properties of Tychem QC
Total Basis Weight
ASTM D3776-90
2.5 oz/yd2
ASTM D1777-75
10 mils
Water Vapor Transmission (WVT)
0.01 Perms at 37.8C / 100F - RH / 100%
Mullen Burst
STNM D3786-87
65 psi
Breaking Strength Grab (md/cd)
ASTM D5034-90
43/49 lbs
Tearing Strength Trapezoid (md/cd)
ASTM D1117-80
7/5 lbs
Grade: Weatherable
Color: White/gloss finish
General Properties
General Properties of the NOSWEAT™ Reusable Valve Wrap when Used over a Properly Installed Fiberglass Insulation Insert
Temperature limits: 0°F to 450°F (-18°C to +232°C)
Sanitary/Odorless: Will not absorb odors. Provides no food for insects, rodents, or mildew. Resistant to fungi and bacteria. Does not promote growth.
UV Resistant: Use indoors or outdoors.
Excellent Appearance: Bright high gloss white coloring adds a distinct quality appearance to the system.
Long Lasting: Can be used and re-used once applied.
Vibration Resistant: Will not settle or separate.
Fire Safety: DuPont Tychem® QC fabric is rated as "Class 1: Normal Flammability" no unusual burning characteristics. The NOSWEAT™ removable valve wrap fiberglass insulation inserts have a UL 25/50 rating and are non-combustible per ASTM E 136. Accepted for commercial, institutional, industrial, and residential projects in all parts of North America.
Thermal Efficiency of Insert (ASTM C 177)
Mean Temperature Mean Temperature (SI) k k (SI)
100°F  38°C .28 .040
200°F  93°C .38 .055
300°F 149°C .52 .075
400°F 204°C .70 .101
500°F 260°C .90 .130
About Tychem QC
  • Durable Tyvek substrate coated with polyethylene
  • Resists punctures and tears
  • Remains flexible even in cold temperatures
  • Impermeable to water

Sizing Parameters

Limited Warranty and Limitation of Remedy

The physical and chemical properties of NOSWEAT™ insulated valve wraps represent typical, average values obtained in accordance with accepted test methods and are subject to normal manufacturing variations. They are supplied as a technical service and are subject to change without notice. Numerical flame spread and smoke developed ratings are not intended to reflect hazards presented by these or other materials under actual fire conditions. Check with a NOSWEAT™ technical representative at 1-800-416-4610 to assure current information. Purchaser will be responsible to determine stability of this product for purchaser's use. NOSWEAT™ liability will be limited to the purchase price of the material. No person is authorized to alter this without a NOSWEAT™ officer's written approval.

Measuring the Height

Looking at the valve straight on, measure the height of the valve starting just above the insulated pipe section - or the highest point of the valve - down to the lowest point of the valve.

Measuring the Length

Looking at the valve straight on, measure the length of the valve plus 2 inches on either side.

Measuring the Width

Looking at the back of the valve, measure the width (right to left) making sure you accommodate for any protrusions, stems or levers.