TK 1985-AW /ล้อดึงสายพาน ตัวดึงสายพานประตูออโต้ High Strengthen Belt Tensioner Automatic Door Pulley

High Strengthed Belt Tensioner Automatic Door Accessories / Automatic Sliding Door Pulley Description: - Automatic sliding door Belt Tensioner - Automatic sliding door adjustable belt pulley - Consist of precision bearing and reinforced spring - Can adjust the tension of the belt, Low noise - With two sheets, prevent the belt getting out of the gear. Applications: - Automatic sliding door Belt Tensioner is used for any kinds of automatic Sliding Door, Swing Door, Curved Door, Folding Door, Hermetical Door, Telescopic Door, Panic Door, Revolving Door, and Hospital Door. Specifications: Automatic sliding door Belt Tensioner 1. Wheel material we mainly use high grade Steel, other material is available, as per client's request. 2. Bearing material we use stainless steel and carbon steel, other material also can meet client’s requirement. 3. Coating: Zinc plating, spray-painting (costuming) 4. Excellent performance and longer using life 5. Accept OEM