The valve ball materials are Teflon, Santoprene, EPDM, ect. It has a very low friction coefficient, excellent self-lubrication, good corrosion resistance, dimensional stability, and no deformation.
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Wenzhou Defu Machinery Co., Ltd.
Address : No.9, Wenhui Road, Puzhou Street, Longwan District, Wenzhou, Zhejiang, China
Email : sales9@defupump.com
WhatsApp : +86-18957752760
Contact Person (Charger) : Ms Cindy
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