What Are The Materials Used To Manufacture Sanitary Diaphragm Valves?

Materials for making sanitary diaphragm valves, and what aspects should be tested if the sanitary diaphragm valves are qualified. So what materials are needed to make sanitary diaphragm valves?

Materials for making sanitary diaphragm valves:
Diaphragm: silicone rubber
Valve body: SUS316L
Valve body: SUS316L iron-free alloy
Diaphragm: PTFE composite diaphragm, PTFE double-layer diaphragm, high-strength EPDM, fluororubber, high-strength white silicone.

Tests for making sanitary diaphragm valves:
Nominal pressure: PN (MPa)
Valve body: PN×1.5
Seal: PN×1.1
Lining layer: spark detection
Testing and inspection according to GB/T 13927 standard
Sanitary Diaphragm Valve Suitable for the transportation of various concentrations of acids, alkalis, salts, and organic materials.