Gauge Siphon and Swivels | Product Series

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Port Connection Inlet

Port Connection Outlet

Safety Excess Flow Check

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Gauge Siphon and Swivels Gauge Siphon and Swivels

Gauge Siphon and Swivels

Where to Buy

Parker PGI’s Gauge Siphons provide a thermal barrier to protect your instruments from harmful vapors with a compact sturdy design that also reduces vibrations. The optional safety excess flow check/snubber eliminates damage due to pressure surges.

Technical Specifications

  • Inlet Port Size: 1/2 (MNPT) | 3/4 (MNPT) inch
  • Outlet Port Size: 1/2" FNPT | 3/4" FNPT | 1/2" FNPT with Carbon Steel Coupling | 1/2" FNPT with Gauge Swivel
  • Safety Excess Flow Check Included: Optional
  • Body Material: 316 Stainless Steel
  • Maximum Operating Pressure: 10000 psi, 689 bar
  • Minimum Operating Pressure: 1500 psi, 103 bar
  • Maximum Operating Temperature: 1000 °F, 538 °C
  • Minimum Operating Temperature: 200° °F, 93° °C
  • Weight: 0.58 to 1.51 (depending on product selected) lbs, 0.26 to 0.68 kg depending on product selected kg
Safety Warning

Full Product Description

Parker PGI’s Gauge Siphons and Swivels replace the old style "pigtail" or coiled siphons.  The Gauge Siphons are used to provide a thermal barrier which protects your instruments from harmful vapors and the optional safety excess flow check/snubber eliminates damage due to pressure surges.  The Gauge Siphons can also be used as either a freeze or steam protector when used with the proper fill fluids. When very high heat is present, the siphon, used in conjunction with the PGI Division’s V-506 Grafoil® packed Hand Valve, reduces temperatures seen at the instrument by lengthening the isolation leg.

Markets:
• Chemical
• Petrochemical
• Oil and Gas

Features/Benefits:
• Thermal barrier to provide gauge protection
• Safety excess flow check/snubber available
• Reduces line vibration

Applications:
• Gauge isolation from process
• Equipment protection
• Prevent pressure surges in system
• Freeze/steam protector

Related Documents

Literature and Reference Materials
Gauge Siphons - PGI-GS
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Products Port Connection Inlet Port Connection Outlet Safety Excess Flow Check
A7-524-C0 1/2" MNPT 1/2" FNPT with Carbon Steel Coupling N/A
A7-524-C0S 1/2" MNPT 1/2" FNPT N/A
A7-522-C0 3/4" MNPT 1/2" FNPT with Carbon Steel Coupling N/A
A7-522-C0S 3/4" MNPT 1/2" FNPT N/A
A7-507-C0 1/2" MNPT 1/2" FNPT with Gauge Swivel Included
A7-508-C0 3/4" MNPT 3/4" FNPT N/A
A7-509-C0 1/2" MNPT 1/2" FNPT Included
A7-530-C0 1/2" MNPT 1/2" FNPT with Gauge Swivel N/A

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