Flexible Silicone hose with Polyester reinforcement

ROMY-Flex DB is a Silicone supply hose reinforced with high temperature resistant plies. multi-use and designed for the biotechnological and pharma industry. 

The ROMY-FLEX DB is the heavier version of the ROMY-FLEX EXT D with double layers of high temperature resistant plies which increase the kink resistance. The DB has a white, smooth Silicone cover that provides a clean look and good cleanability. Multi-use and designed for the biotechnological, medical and pharmaceutical industry where high purity is a must.

Ideal hose for applications with gases or water

The ROMY-FLEX DB is ideal for applications with gases (CO2, O2, N2 and air) or water (WFI and demi). The hose can be cutted to size and fitted with the desired crimp fittings in our hose workshop, and can always be delivered from stock.

Features & benefits

  • Flexible and lightweight
  • Multi-use
  • Smooth, white cover for a clean look
  • Sterilizable by radiation or Autoclave
  • Ideal for applications with gases or water
  • Resistant to high temperatures


Tube: Silicone, natural.
Reinforcement:  High temperature resistant plies.
Cover: Smooth, Silicone, white, glossy cover.

Technical information

Size 1/2" to 1" (more information, see table)
Max. length
  • 1/2" and 3/4": 25 meter
  • 1": 15 meter
Working Pressure up to 13,7 bar (depending on size, see table)
Temp. range -60 to 200 °C
Type of connections Multiple kinds of connections available
Bending Radius Depending on size, see table
Material Platinum-Cured Silicone; Polyester Braid
Shelf life 10 years (if stored in original package in a dry, cool and dark environment, more info in certificate)
Certificates FDA (21 CFR 177.2600), USP Class VI, {88}, TSE/BSE, CE1935/2004, REACH

Sizes and availability

Size Internal Diameter Outside Diameter Availability
1/2" 13mm ID  21mm OD In stock
3/4" 19mm ID 29mm OD In stock
1" 25mm ID 35mm OD In stock

 Pressure and Bending Radius

Size Working Pressure (at 20°C) Bursting Pressure (at 20°C) Bending Radius (in mm)
1/2" 13,7 bar 55 bar 70
3/4" 12.1 bar 48.5 bar 85
1" 8.7 bar 35 bar 110