JEP SELF-PRIMING JET PUMPS SERIES JEP series pumps are suitable for pumping clean water and fluids which are not chemically aggressive to pump components. They are extremely reliable for domestic applications such as the automatic distribution of water from small and medium-size tanks, watering gardens, etc. INTRODUCTION Pump body : Cast iron Motor housing : aluminum Shaft:45# steel/ stainless steel Impeller : brass/ppo/iron casting stainless Insulation:B/F Protection :IP44 / IP54 Duty: Continuously S1 Construction features Email: [email protected] Http://www.starmotor.cn WORKING PRINCIPLE JEP series are SELF-PRIMING CENTRIFUGAL PUMPS, Self-priming is achieved using an ejector. housed in the pump body. The total delivery produced by the closed centrifugal impeller is sent only partly to the delivery opening. The remaining water is recirculated through the ejector. which is connected to the suction chamber and generates the necessary vacuum of self-prime the pump. When first starting the pump fill the pump body with water, without bothering to fill the suction piping and eliminate any air pockets. When the pump is started up the water in the pump body circulates through the ejector and transfers any air from the suction to delivery chamber, expelling it through the delivery piping. At the same time the vacuum thus generated causes water to rise in the suction piping, thus self-priming the pump. Since the self-priming system operates continuously. these pumps are practically unaffected even by the presence of large amounts of entrained air in the fluid being pumped. The JEP series. based on past TOP experience. is designed with particular attention to hydraulic efficiency and choice of materials. The result is a compact. quiet high performance pump. PUMP INSTALLATION AND APPLICATIONS These pumps are suitable for pumping clean water and fluids which are not chemically aggressive to pump components. THEY ARE EXTREMELY RELIABLE, ECONOMICAL AND SIMPLE TO USE, BEING PARTICULARLY SUITABLE FOR DOMESTIC APPLICATIONS SUCH AS THE AUTOMATIC DISTRIBUTION OF WATER FROM SMALL AND MEDIUM-SIZE TANKS. WATERING GARDENS, ETC. These pumps should be installed in a covered area, protected against the weather. PERFORMANCE The wide range of pump in the JEP series satisfied the most varied requirements with features such as: - high heads compared to requered poer levels; - flat operating and power absorption curves, giving moderate curve variations with respect to large variations in delivery demand; - high tolerance of the presence of entrained air in the fluid to be pumped; - suction capacity up to 9 meters STRUCTURAL CHARACTERISTICS Cast iron PUMP BODY Iron casting Stainless steel PUMP BODY COVER serving also as mechanical seal housing. Technopolymer EJECTOR UNIT(approved for drinking water) Centrifugal radial flow IMPELLER in BRASS or technopolymer (approved for drinking water)on request. Ceramic and graphite MECHANICAL SEAL. MOTOR: the pumps are coupled directly to an asynchronous. high efficient TOP induction motor of suitable size, which is quiet running, closed and extermally ventilated, suitable for continuous duty. INSULATION class B. The thermal cutout relay (motor protector) is incorporated in all single phase motors. Three phase motors require an adequate extermal motor protector, with connection according to current standards. PROTECHTION Ip44 CONSTRUCTION AND SAFETY STANDARDS in compliance with IEC.
JEP SELF-PRIMING JET PUMPS SERIES JEP series pumps are suitable for pumping clean water and fluids which are not chemically aggressive to pump components. They are extremely reliable for domestic applications such as the automatic distribution of water from small and medium-size tanks, watering gardens, etc. INTRODUCTION Pump body : Cast iron Motor housing : aluminum Shaft:45# steel/ stainless steel Impeller : brass/ppo/iron casting stainless Insulation:B/F Protection :IP44 / IP54 Duty: Continuously S1 Construction features Email: [email protected] Http://www.starmotor.cn WORKING PRINCIPLE JEP series are SELF-PRIMING CENTRIFUGAL PUMPS, Self-priming is achieved using an ejector. housed in the pump body. The total delivery produced by the closed centrifugal impeller is sent only partly to the delivery opening. The remaining water is recirculated through the ejector. which is connected to the suction chamber and generates the necessary vacuum of self-prime the pump. When first starting the pump fill the pump body with water, without bothering to fill the suction piping and eliminate any air pockets. When the pump is started up the water in the pump body circulates through the ejector and transfers any air from the suction to delivery chamber, expelling it through the delivery piping. At the same time the vacuum thus generated causes water to rise in the suction piping, thus self-priming the pump. Since the self-priming system operates continuously. these pumps are practically unaffected even by the presence of large amounts of entrained air in the fluid being pumped. The JEP series. based on past TOP experience. is designed with particular attention to hydraulic efficiency and choice of materials. The result is a compact. quiet high performance pump. PUMP INSTALLATION AND APPLICATIONS These pumps are suitable for pumping clean water and fluids which are not chemically aggressive to pump components. THEY ARE EXTREMELY RELIABLE, ECONOMICAL AND SIMPLE TO USE, BEING PARTICULARLY SUITABLE FOR DOMESTIC APPLICATIONS SUCH AS THE AUTOMATIC DISTRIBUTION OF WATER FROM SMALL AND MEDIUM-SIZE TANKS. WATERING GARDENS, ETC. These pumps should be installed in a covered area, protected against the weather. PERFORMANCE The wide range of pump in the JEP series satisfied the most varied requirements with features such as: - high heads compared to requered poer levels; - flat operating and power absorption curves, giving moderate curve variations with respect to large variations in delivery demand; - high tolerance of the presence of entrained air in the fluid to be pumped; - suction capacity up to 9 meters STRUCTURAL CHARACTERISTICS Cast iron PUMP BODY Iron casting Stainless steel PUMP BODY COVER serving also as mechanical seal housing. Technopolymer EJECTOR UNIT(approved for drinking water) Centrifugal radial flow IMPELLER in BRASS or technopolymer (approved for drinking water)on request. Ceramic and graphite MECHANICAL SEAL. MOTOR: the pumps are coupled directly to an asynchronous. high efficient TOP induction motor of suitable size, which is quiet running, closed and extermally ventilated, suitable for continuous duty. INSULATION class B. The thermal cutout relay (motor protector) is incorporated in all single phase motors. Three phase motors require an adequate extermal motor protector, with connection according to current standards. PROTECHTION Ip44 CONSTRUCTION AND SAFETY STANDARDS in compliance with IEC.
Star motor co.ltd Broucher-1
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