Detek China Double Glazing Insulating Glass Curtain Wall Silicone Sealing Pump Machine. High Efficiency Production: Suitable for mass production of insulating glass and curtain wall with smooth sealant flow. Advanced Pneumatic Motor: A/B pump adopts S. Korea Hasco pneumatic air motor for sensible and reliable operation. Precise Proportioning: Unique adjustable proportioning mechanism meets rigorous requirements for double constituent sealant. Leakage Prevention Design: Integrated structure of A/B sealant pump and special device avoid sealant leakage and idle running. Smooth Sealant Output: Special one-way valve in high pressure pump ensures smooth output and avoids incomplete mixing. Durable Components: One-way valve made of high wear-resistant material ensures long lifetime. Flexible Operation: Rotating arm equipped with universal device makes the machine flexible and portable.