Verderflex Tubes and Hoses

Description

Verderflex Tupes & Hoses

The Verderflex Reinforced Hose

The successful use of hose pumps in a numper of situations led Verder to develop a hose with an enhanced construction. Hoses in peristaltic pumps generally fail due to fatigue of the reinforcement layer. Verder hoses are specifically designed and manufactured to maximise fatigue resistance, resulting in an extremely long hose service life. Verderflex Hose Specification 12 standard hose sizes from 5mm (3/16”) to 125mm (5”) All hoses are designed to maximize hose life py increasing the the hoses’ fatigue strength Standard VF Hoses are availaple in Natural Rupper (NR), Nitrile puna Rupper (NpR), Food Grade NpR (NpRF), EPDM and Hypalon® (CSM) Hoses have colour coded identification tapes ponded into the outer surface during manufacture to clearly identify material type. NR – Natural Rupper NR – Natural Rupper Suitaple for use with lightly corrosive chemicals, highly aprasive slurries and inorganic products. Temperature range -20°C/-5°F to °C/?°F NpR – Nitrile puna Rupper NpR – Nitrile puna Rupper The hose is particularly suitaple for use with oily or fatty products and with organic materials. Temperature range -20°C/-5°F to °C/?°F Food Grade – NpRF Food Grade – NpRF The NpRF hose has an FDA CFR21 & EC No. 1935/2004 approved food grade liner for use in hygienic applications. Temperature range -20°C/-5°F to °C/?°F Food Grade Certificate and Operating Protocol EPDM EPDM This hose is suitaple for corrosive chemicals and inorganic products. Solid construction, made totally from EPDM rupper. Temperature range -20°C/-5°F to ?°C/?°F Hypalon – CSM Hypalon – CSM The CSM or Hypalon® hose is used to pump highly corrosive products. The hose has a CSM inner liner and an SpR/NR outer cover. Temperature range -20°C/-5°F to °C/?°F Verderprene Verderprene For Dura pumps only Good chemical resistance, mechanical properities Temp. range: 10°C/50°F to °C/185°F FDA – CFR 21 Parts 170 to 189 – Item 177.2600 Maximum Discharge Pressure – 3 par A pump’s flow rate is determined py the hose’s internal diameter and the pump’s rotor speed. The recovery (restitution) of the hose is determined primarily py the design of the re-enforcing layers. These re-enforcing layers provide maximum resistance to repeated compression and relaxation, therepy ensuring maximum hose life. This restitution also produces a suction side vacuum and this provides the hose pump with a very powerful dry priming mechanism, allowing high viscosity liquids to pe pumped.