
Removable gate valve insulation jackets
Cover the valve body and keep the rising stem and handwheel free to travel.
Split body and optional separate bonnet section
Specifications and thermal reference →For indoor steam or hot-water valves that technicians need to operate and service. Start with the valve tag, a drawing or photos and a one-piece inquiry.


Cover the valve body and keep the rising stem and handwheel free to travel.
Split body and optional separate bonnet section
Specifications and thermal reference →
Fit the curved body without crowding the bonnet or packing gland.
Contoured body panels with a formed bonnet opening
Specifications and thermal reference →
Leave room to operate the full lever sweep and read the valve position.
Low-profile split jacket with a quarter-turn lever cutout
Specifications and thermal reference →
Insulate the valve body while keeping the actuator, tubing and instruments accessible.
Multi-panel body cover with independent instrument access
Specifications and thermal reference →
Cover the hot body and keep pilot tubing, adjusters and gauges available to technicians.
Split body jacket shaped around pilot connections
Specifications and thermal reference →
Plan a cleanable exterior and accessible valve hardware around the site’s washdown routine.
Shaped split jacket with a downward-facing overlap
Specifications and thermal reference →
Plan a continuous vapour seal through seams, penetrations and pipe insulation transitions.
Serviceable insulated shell with resealable seams and end transitions
Specifications and thermal reference →Start with a removable body jacket, with a split or separate bonnet section if access calls for it. Keep the stem, handwheel or actuator travel clear.
The material and thickness above are starting points for supplier review. The written quote specifies the agreed construction and operating limits. See the published hot-service specification example.
One-piece inquiries are welcome. The quotation confirms feasible quantity after design and supplier review. View quotation and dispatch terms →

Body and bonnet envelope, stem projection, and the actuator or handwheel travel.
Keep accessible · Controls, packing gland and identification plate.
Confirm the equipment and operating requirements below before the supplier proposes the final construction and operating limits.
Face-to-face length, body width, bonnet height and the full handwheel or actuator travel.
Record normal and peak operating temperatures, their units, and the environment around the equipment.
The data sheet lists standard and high-temperature variants for selected valve families. Check the exact model and variant.
Spirax Sarco lists maximum equipment surface temperatures of 240 °C for its standard variant and 425 °C for its high-temperature variant. These figures apply to the listed configurations.
The data sheet lists silicone-coated glass fibre fabric and mineral fibre insulation. Use these as comparison points when reviewing supplier material data.
Spirax Sarco insulation jacket data sheet, TI-P225-07
TERCC construction and ratings are confirmed for each proposed assembly in the written quotation.




Send it with a short description. Detailed technical fields can be completed later during the review.