https://ppairvalve.com Polypropylene Plastic air volume control damper Tue, 15 Feb 2022 06:55:22 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://ppairvalve.com/wp-content/uploads/2022/01/cropped-cropped-xicheng-logo-32x32.png https://ppairvalve.com 32 32 https://ppairvalve.com/product/pp-electric-air-volume-control-valve/ Tue, 15 Feb 2022 06:55:20 +0000 https://ppairvalve.com/?post_type=product&p=733 The PP electric air volume control air valve adopts injection molding, which has strong sealing, beautiful and durable, and is connected to the air pipe for air adjustment. Injection molding air valve is divided into two kinds of materials: one is PP and the other is PVC. Diameters within Φ315mm are injection molded, and other large sizes are manually welded, and they can also be made of stainless steel or glass fiber reinforced plastic materials.

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