colostomy bag gas valve

Address
Room1-8,7th Floor,7th Building Guannan Fuxing Medical Industrial Park,No.62 Guanggu Road, East Lake New Technology Development Zone Wuhan City, Hubei Province, China

Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 9AM - 6PM

Understanding colostomy bag gas valve

The colostomy bag gas valve is a special care device designed for patients after stoma surgery.It solves the problems of bag swelling and odor through an internal gas management system.
The gas valve adopts a one-way membrane or breathable micro-porous structure ‌12. When the pressure inside the bag is higher than that outside, it automatically opens to vent, preventing the backflow of gas or liquid from contaminating the stoma area.Some gas valves are combined with activated carbon filters to simultaneously adsorb odor molecules and reduce social embarrassment. ‌

Features and Benefits of colostomy bag gas valve

Unidirectional airflow control: ‌
It adopts a one-way membrane structure similar to a swimming pool valve, allowing only the gas inside the bag to be discharged outward, completely blocking the risk of excrement reflux and protecting the skin health around the stoma.
Some valves are equipped with spherical/flap mechanical structures that automatically open and close based on pressure differences without the need for manual operation.
Dual operation mode: ‌
Manual quick exhaust:By externally pressing the valve stem, gas is released within 3 seconds to relieve bag swelling, suitable for emergency scenarios ‌.
Automatic continuous filtration:The valve with integrated activated carbon filter element passively adsorbs odor molecules,simultaneously reducing exhaust noise and enhancing social freedom. ‌
Anti-backflow safety feature: The reverse sealing pressure difference of the valve is ≥ 0.2 kPa, effectively preventing the backflow of liquids and reducing the risk of infection.
Odor neutralization efficiency,The adsorption area of the nano-activated carbon filter reaches 1500m²/g, and the removal rate of volatile sulfides is over 90%.
Pressure adaptive regulation ‌ intelligently responds to changes in air pressure inside the bag (threshold 0.5-1kPa), automatically depressurizes to prevent the skin sealing layer from detaching.

how Choose the Right colostomy bag gas valve

Colostomy (formed excrement):Give priority to the automatic exhaust valve ‌ with an internal activated carbon filter, which can continuously adsorb odors (such as hydrogen sulfide) and exhaust silently, reducing social embarrassment .
The automatic filter element ADAPTS to the regularity of excretion without manual operation. ‌
Ileal/urostomy (liquid excrement),Anti-backflow valves ‌ must be selected: the unidirectional membrane structure prevents liquid backflow and protects the skin around the stoma from irritation by digestive juices or urine.
Paired with ‌ convex surface chassis + manual exhaust valve ‌ : Enhance sealing performance. Press the valve stem for 3 seconds in case of emergency bag expansion to quickly release air.
Flat or recessed stoma:Mandatory ‌ convex chassis integrated exhaust valve ‌, pressure-enhanced fit, anti-leakage performance increased by 300%.
Frequent users: Automatic filter element valve reduces operational interference and avoids bag swelling during movement.
For those with sensitive skin:Choose medical-grade silicone for the valve connection, with a friction coefficient of less than 0.1 to reduce damage. ‌