Model 910.15.200

Pressure gauge siphons

Type 910.15.200 - Coil

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  • Siphons for steam services
  • Pigtail for vertical installations
  • Coil for horizontal installations

Standard Features

Pressure Connection
See table on datasheet

Steel A120, schedule 40
Steel A106B, schedule 80 & 160
316 stainless steel, schedules 80 & 160
Chrome Moly steel (A335 P22), XX Heavy

Optional Extras
Alternate threads
316 stainless steel cleaned for oxygen service

Media Temperature Reduction
Approximately 75°F for each 12" section of ½" pipe.
Actual reduction dependent on process/application variables.



Pressure gauge siphons are used to protect the pressure gauge from the effect of hot pressure media such as steam and also to reduce the effect of rapid pressure surges. The pressure medium forms a condensate and is collected inside the coil or pigtail portion of the siphon. The condensate prevents the hot media from coming in direct contact

with the pressure instrument. When the siphon is first installed, it should be filled with water or any other suitable separating liquid.

Pigtail siphon
Coil Siphon

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