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Verderflex Tubes and Hoses

Description

Verderflex Tubes & Hoses

The Verderflex Reinforced Hose

The successful use of hose pumps in a number 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 by increasing the the hoses’ fatigue strength
Standard VF Hoses are available in Natural Rubber (NR), Nitrile Buna Rubber (NBR), Food Grade NBR (NBRF), EPDM and Hypalon® (CSM)
Hoses have colour coded identification tapes bonded into the outer surface during manufacture to clearly identify material type.
NR – Natural Rubber
NR – Natural Rubber
Suitable for use with lightly corrosive chemicals, highly abrasive slurries and inorganic products.
Temperature range -20°C/-5°F to +80°C/+175°F
 
NBR – Nitrile Buna Rubber
NBR – Nitrile Buna Rubber
The hose is particularly suitable for use with oily or fatty products and with organic materials.
Temperature range -20°C/-5°F to +80°C/+175°F
 
Food Grade – NBRF
Food Grade – NBRF
The NBRF 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 +80°C/+175°F
 
Food Grade Certificate and Operating Protocol
 
EPDM
EPDM
This hose is suitable for corrosive chemicals and inorganic products. Solid construction, made totally from EPDM rubber.
Temperature range -20°C/-5°F to +100°C/+210°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 SBR/NR outer cover.
Temperature range -20°C/-5°F to +85°C/+175°F
 
Verderprene
Verderprene
For Dura pumps only
Good chemical resistance, mechanical properities
Temp. range: 10°C/50°F to +85°C/185°F
FDA – CFR 21 Parts 170 to 189 – Item 177.2600
Maximum Discharge Pressure – 3 Bar
 
A pump’s flow rate is determined by the hose’s internal diameter and the pump’s rotor speed. The recovery (restitution) of the hose is determined primarily by the design of the re-enforcing layers. These re-enforcing layers provide maximum resistance to repeated compression and relaxation, thereby 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 be pumped.

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