Dear Customers: Welcome to DEFU Diaphragm Pump. DEFU is a professional diaphragm pump manufacturer in China. We produce air diaphragm pump more than 10years. Our AOK series diaphragm pumps are same as USA GRACO diaphragm pump which can be interchanged with same performance. Our Chinese New Year is coming, we will start on our holiday from February 6th to February 17th, From...
Air Diaphragm Pump are used in different facilities and in a variety of different industries. From petrochemical to food and beverage, these pumps are popular and versatile. Their unique design is ideal for transferring highly abrasive or viscous products. We received an inquiry from the Philippines customer, the liquid is glue, the viscosity is 3000cps, the temperature is 20℃, require...
One of our old customer from South Korea send us an repeat order. The product is 1.5inch Aluminum diaphragm pump body with Teflon diaphragm , Teflon ball, Teflon ball seat. Also he has increased 1inch Aluminum diaphragm pump to his order this time. Our Aluminum double diaphragm pump has below features.  ...
One of our Denmark customer inquiry about our Air diaphragm pump, the liquid is 30% HCl for the rehabilitation of water wells, Temperature is 10-20℃. 30% HCl is close to concentrated hydrochloric acid, which is highly corrosive. We choose our plastic diaphragm pump with Teflon diaphragm to our customer, its can handle many chemicals. It’s also called chemical diaphragm pump. It’...
One of our old customer from Australia placed an new order to us, We do many years business of the diaphragm pump with he. Our Air operated double diaphragm pump get a high evaluation from his company. Below are the order details; Model: AOK50PP-SS-TF-TF-TF Pump Type: AOK AIR DIAPHRAGM PUMP Inlet*outlet size: 50mm*50mm(2inch*2inch) Connection: BSPT/NPT Priming Type: Dry Priming/Wet Priming Center ...
Dear Customers: DEFU is a professional diaphragm pump manufacturer in China. High quality & 3days fast delivery time are our advantage. Our AOK series diaphragm pumps are same as USA GRACO diaphragm pump which can be interchanged with same performance.We have SS304/SS316, Plastic & Aluminum diaphragm pump with PTFE & Santoprene diaphragm. From Jan. 18th to Jan. 27th,...
This is a tend project, total quantity is 28units. According to customer’s requirements, we chose our Stainless Steel 316 diaphragm pump with Teflon diaphragm to our customer. Also according to customer site pipe, we made the special inlet & outlet to match with it. &nbs...
Dry running is a one of the key features that differentiate Air Operated Diaphragm pumps from other types of pumps. In majority of the cases this will not damage the pump, nor its elements. This is why, AODD pumps are often used in applications in which the fluid may unexpectedly run out(sumps dewatering, tanks and cisterns transfers, etc.). However, we should be aware of the few side effects resu...