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Hygienic Strainers and Orifices for Process Connections

bio-plus® Strainers and Orifices are developed for hygienic process lines that require controlled filtration, flow restriction, or system protection. The range includes filter screens, orifices, O-rings with groove, clamp gaskets with groove, and flat seals for different hygienic connection systems. 

Key Product Highlights

Suitable for gases and liquids

Suitable for
gases
and liquids

Designed for
hygienic process connections 

Compatible with
multiple connection
systems  

 Standard filter
screen mesh
width of 400 µm

Other mesh
sizes available
on request  

Orifice plates
available with or
without bore

Electropolished product-contact surfaces

Electropolished product-contact surfaces

FDA, USP Class VI and TSE-free gasket options

FDA, USP Class
VI and TSE-free
gasket option

Special designs
available on
request 

Available Product Types

Compatible Connection
bio-plus®
Sterile Connection
DIN11864
Aseptic Connection
DIN32676
Clamp Connection
EN1092
Flange Connection
Special connection
designs on request

Technical Snapshot

Specification Details
Standard sizes

DIN10–DIN200, ISO08–ISO100,

OD ½"–OD8"

Product-contact material Carrier ring: 1.4435 / 316L

Mesh material

1.4404 / 316L

Special materials 2.4602, Titanium, 1.4539, etc.
Gasket options EPDM, Silicone / VMQ, FKM, FFKM
Surface finish Electropolished Ra < 0.6 µm
Media Gases and liquids

Standard mesh width

400 µm

Other mesh widths 30 µm to 2000 µm on request
Standard orifice Without bore

Other orifice options

Centric and eccentric bore options

on request

Documentation

EN 10204 / 3.1

Compliance

FDA conform, USP Class VI, TSE-free

Mesh Width and Orifice Options
Filter screen mesh
Standard filter screen mesh width: 400 μm
Other mesh widths available from 30 μm to 2000 μm
Standard orifice supplied without bore
Centric 2 mm bore option available
Eccentric bore and other diameters available on request
Special designs available on request

Materials and Surface Quality

  • Carrier ring available in 1.4435 / 316L
  • Mesh available in 1.4404 / 316L
  • Special materials available on request
  • Product-contact surfaces are electropolished
  • Surface quality: Ra < 0.6 µm
  • Other surface qualities available on request
  • Traceability ensured through order number and heat number

Gasket Material Options

Temperature

EPDM

-40°C to +150°C

Temperature

Silicone

-55°C to +200°C

Temperature

FKM

-20°C to +200°C

Temperature

FFKM

-10°C to +260°C

Applications

Pharmaceutical process lines
Pharmaceutical process lines
Biotechnology systems
Biotechnology systems
Food and beverage processing
Food and beverage processing
Sterile liquid transfer
Sterile liquid transfer
Hygienic gas and liquid pipelines
Hygienic gas and liquid pipelines
High-purity process equipment
High-purity process equipment
Cleaning and Handling Note
The backflushing of conical strainers is not recommended, as it may cause mechanical damage to the screen. Cleaning and handling should be planned based on the process medium, contamination level, and operating conditions.

How to Order  bio-plus® Strainers and Orifices

 The bio-plus® Strainers and Orifices range can be selected based on connection type, pipe standard, nominal size, material, gasket option, and surface finish Special requirements, if any. liquitec can support customers in selecting the right configuration for their process application. 

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