
Rd 40 1 1/2" 40mm PP Plastic Air Operated Diaphragm Pump Acid Resistant. Premium Imported Materials: PP material, diaphragms and all sealing parts imported from USA for superior durability. Superior Air Motor Design: No leakage design with strong driving force, featuring three-way air pilot valve for faster reversing. Versatile Industrial Application: Ideal for chemical, coating, food, water treatment, and pharmaceutical industries handling corrosive fluids. High Performance Specs: Max flow 446 Lpm, max pressure 120 psi, max suction height 5m, and max grain size 5mm. Comprehensive Certifications: Holds CE, BV, SGS, CCS, ISO9001 certificates and over 30 patents for quality assurance. Flexible Customization: Supports OEM/ODM services with flexible customization options for specific working conditions. Professional Manufacturer: Over 20 years experience, 120 employees, 30+ engineers, and two production bases in Shanghai.