Model 910.ZA

Saddle Flange Diaphragm Seal

Threaded Design

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  • Suitable for corrosive, contaminated, highly viscous or hot pressure media
  • Chemical process industry
  • Pulp and paper industry

Special Features

  • Saddle process connection 2½" to 20"
  • Design with internal diaphragm and diaphragm bed, upper threaded, saddle connection
  • Wide variety of special materials


Pressure rating
1500 ... 3000 psi

Suitable pressure ranges
15 ... 3000 psi

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

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

Sealing ring
FPM (Viton®) max. 392 °F

Lower housing (process connection)
Material stainless steel 316 L
2½" pipe to 20" pipe

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

Optional extras

Upper housing (instrument connection)

  • Carbon steel, 316TI, 321, titanium
  • Capillary extension (welded with upper housing)
  • Cooling tower for directly mounted gauge when fluid temperature > 212 °F


  • Stainless steel 316TI, 316L, 904L, 321, Duplex 2205
  • Hastelloy C276, Monel 400, Nickel, lnconel 600,
  • PTFE coated

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