Square Silicone Breathing Valve Flap Mold

This high-precision silicone mold is designed for manufacturing square silicone breathing valve flaps used in labor protection half masks. With an 8-cavity standard runner design, it ensures efficient mass production of exhalation valve parts and exhalation valve replacement parts with excellent consistency and durability.
The mold is suitable for used vertical injection molding machines as well as standard LSR injection systems, making it flexible and adaptable for different production setups.
The square silicone breathing valve flap mold delivers outstanding performance in silicone injection molding for protective respiratory equipment. Each flap maintains strict dimensional accuracy, elasticity, and sealing reliability, ensuring long-term stable performance in half mask respirators and other protective devices. Optimized for medium-to-large volume production, this mold guarantees cost-effective manufacturing with reduced material waste and high-quality output.

Mold Design & Technology

Standard Runner System for Stable Output
Designed with an 8-cavity runner system, the mold balances productivity and cost efficiency, ensuring stable material flow and consistent product quality.

Multi-Cavity Layout for Increased Efficiency
The 8-cavity design allows simultaneous production of multiple exhalation valve parts, significantly boosting output and lowering unit cost.

Compatibility with Vertical Injection Machines
The mold is optimized for used vertical injection molding machines, providing flexibility for factories looking to maximize existing equipment resources.

Precision Machining for Tight Tolerances
Advanced CNC and EDM processing ensure high precision, producing valve flaps with excellent sealing properties and consistent thickness.

Durable Tool Steel Construction
Manufactured from high-grade tool steel, the mold offers long service life, stable performance, and excellent resistance to wear under continuous production.

FAQs

Q1: What applications are square silicone breathing valve flaps used for?
A: They are primarily used in labor protection half masks, medical respirators, and other personal protective equipment as exhalation valve parts.

Q2: Can this mold produce customized valve flap sizes?
A: Yes, cavity dimensions, runner system, and flap thickness can be tailored to meet customer requirements.

Q3: What type of machines are suitable for this mold?
A: The mold is compatible with both new and used vertical injection molding machines for silicone processing.

Q4: What silicone materials are recommended?
A: Medical-grade and industrial-grade liquid silicone rubber (LSR) are recommended for high-quality, durable exhalation valve replacement parts.

Q5: How long is the mold’s service life?
A: With proper maintenance, the mold supports long-term, high-volume production while maintaining excellent stability and precision.