Diaphragm Valves

SAUNDERS Manual Bonnets

Saunders® Pure Performance (Bioseal) manual bonnet is a compact, ergonomic design manufactured specifically for DN 8 (¼") size body construction.
Saunders® PARA (Polyaryl Amide) Manual Bonnet offers excellent value in design, construction and features.
Saunders® Stainless Steel Non-Sealed Manual Bonnet is constructed from FDA conforming materials and offers the best possible levels of security, durability and corrosion resistance.
Saunders® Stainless Steel Sealed Bonnet  supplied in all stainless steel construction with double o ring seal to prevent internal ingress  and remove possibility of external migration.
Saunders® PES manual bonnet  is manufactured from high performance Polyether Sulphone and is available with a range of modular accessory options to suit process need.

[Translate to English:] Para

Technical Data :

Nominal sizes

DN 8 - 150

Documentation

DEFREN
Overview Brochure
Brochure Bioseal Bonnet
Brochure Para Bonnet
Brochure Stainless Steel Bonnet Non Sealed
Brochure Stainless Steel Bonnet Sealed
Brochure PES Bonnet
Installation and Maintenance Instructions manual valves with rubber diaphragm
Installation and Maintenance Instructions manual valves with PTFE diaphragm

Application

Chemical & Pharmaceutical
Biotechnology & Life Sciences
Food & Beverages

Diaphragm changeout on a manual operated valve