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Saunders® Aseptic Diaphragm Valves

Saunders® Aseptic Diaphragm Valves

Saunders® Aseptic Diaphragm Valves

Saunders® Aseptic Diaphragm Valves


Saunders® is a leading global supplier of aseptic diaphragm valve flow solutions to the Life Science industries. A comprehensive platform of innovative forged and machined block solutions, unique in-house polymer competence and class leading automation and sensing technologies enable our customers to handle critical process applications with maximum security and efficiency.



PK Saunders® Invented the Diaphragm Valve Concept

PK Saunders® invented and patented the diaphragm valve concept long before the emergence of the Life Science industry. However, the design features present in the original weir type diaphragm valve remain the reasons the aseptic diaphragm valve is recognized as the valve of choice for aseptic applications.


History of Innovation

Saunders® has led the way in the development of the diaphragm valve to meet ever increasing demands for hygienic performance and regulatory compliance. These innovations have included the introduction of:

• Introduction of forged 316L stainless steel bodies
• First compact pneumatic actuators
• First traceable diaphragms
• First modified PTFE diaphragms
• First controlled sulfur stainless steel bodies
• First compact modular actuators
• First interactive Bio-Block selection guide


Global Compliance

Aseptic Diaphragm Valves are supplied into critical process applications in the world’s most closely regulated industries. Full compliance to all relevant Global Standards is an essential element of the product and cannot be taken for granted. Saunders® complies with all applicable Global Standards for diaphragm valves in the Life Science market, including:

• FDA CFR 177.1550 (PTFE), 177.2600 (Elastomer)
• USP Class VI, <87>, <88>
• Traceable to EN 10204 3.1
• 3A Certification
• Animal Derived Component Free (ADCF)
• Testing to BS EN 12266-1
• ISO 9001
• CE and PED 97/23/EC
• TUV-Merkblatt HPO Qualification