Clamped Diaphragm Seal Between Upper and Lower

990.FD Clamped Diaphragm Seal Between Upper and Lower Housing Flanged Connection

Flanged process connection per EN/ASME (NPS) ½”, ¾”, 1″ or DN 15, 20, 25
Design with internal diaphragm and diaphragm bed, upper and lower housing threaded
Wide variety of special materials

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Description

Pressure rating
PN 25 … 40 resp. class 150 … 600

Suitable pressure ranges
0 … 15 psi to 0 … 1000 psi

Upper housing (instrument connection)
Material stainless steel 316 L, ½ NPT

Diaphragm
Material stainless steel 316 L, welded with upper housing
Effective diameter of diaphragm Mb = 2.1″

Sealing ring
FPM (Viton®) max. 392 °F

Lower housing (process connection)
Material stainless steel 316 L
NPS 1″, 1½” per ASME B 16.5, RF 125 … 250 AA

Fastening parts
Retainer flange, hexagonal bolts and nuts:
galvanised steel max. 392 °F

Upper housing (instrument connection)

Diaphragm