Wellhead Grease Fittings, Internal Check Series | Product Series

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Wellhead Grease Fittings, Internal Check Series

Wellhead Grease Fittings, Internal Check Series

Where to Buy

Parker PGI’s Internal Check Wellhead Grease Fittings are available in single and double ball designs with tapered or straight threads for service to 10,000 psi.

Technical Specifications

  • Product Style: Single Ball Check - Spring Biased | Single Ball Check - Floating | Double Ball Check - Floating
  • Connection Size: 1/4 to 1/2 inch Thread, NPT inch Thread, NPSM inch Thread, 3/4"-10 to 1"-8 inch Thread, UNC
  • Body Material: Stainless Steel AISI 316, Steel AISI 4140, Carbon Steel AISI 1215, Consult Factory for Additional Materials.
  • Plating Type: Zinc, n/a
  • Heat Treatment: Annealed (NACE), Rc 22 Max (NACE), n/a (NACE)
  • Ball Material: K-Monel®, AISI 52100 Chrome Steel Alloy, Consult Factory for Additional Materials.
  • Materials of Construction: Inconel X-750 (Spring), n/a (Spring), Consult Factory for Additional Materials. (Spring)
  • Length: 15/16 to 1-1/4 inch
  • Maximum Operating Pressure: 10000 psi, 689 bar
Safety Warning

Full Product Description

Parker PGI’s Internal Check Wellhead Grease Fittings are installed below lubrication fittings to provide added back flow protection.   

They are offered in ¼” to ½” NPT tapered threads with a spring biased single ball check.  This style of Internal Check Wellhead Grease Fittings features a heavy-duty radial rivet crimp that provides the best “blow-out” protection of any available crimped style fitting. The radial rivet crimp process conforms to the latest revision of NACE when manufactured with 316 SS or 4140 body material.  

Single floating ball check and double floating double ball check straight design styles of Internal Check Wellhead Grease Fittings are also available.

Markets:
• Chemical
• Petrochemical
• Oil and Gas

Features/Benefits:
• Accepts button head grease fitting coupler
• Heavy Duty Radial Rivet Crimp
• ¼” to ½” NPT sizes
• 316 SS or 4140 body materials meet latest revision of NACE- no cold working of materials.
• Service up to 10,000 PSI

Applications:
• Installed below Injection Fittings
• Wellhead Equipment Lube Systems

Related Documents

Literature and Reference Materials
Wellhead Fittings & Valve Components | PGI-WF
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Products Body Material Product Style Connection Thread Size
IC10N4-C0 Stainless Steel AISI 316 Single Ball Check - Spring Biased 1/2" NPT
IC10N4-80 4140 Single Ball Check - Spring Biased 1/2" NPT
IC10N3-C0 Stainless Steel AISI 316 Single Ball Check - Spring Biased 3/8" NPT
IC10N3-80 4140 Single Ball Check - Spring Biased 3/8" NPT
IC10N2-C0 Stainless Steel AISI 316 Single Ball Check - Spring Biased 1/4" NPT
IC10N2-80 4140 Single Ball Check - Spring Biased 1/4" NPT
IC12P4-10 1215 Double Ball Check - Floating 1/2" NPSM
IC12P4-C0 Stainless Steel AISI 316 Double Ball Check - Floating 1/2" NPSM
IC12P3-10 1215 Double Ball Check - Floating 3/8" NPSM
IC12P3-C0 Stainless Steel AISI 316 Double Ball Check - Floating 3/8" NPSM
IC12P2-10 1215 Double Ball Check - Floating 1/4" NPSM
IC12P2-C0 Stainless Steel AISI 316 Double Ball Check - Floating 1/4" NPSM
IC13S8-10 1215 Single Ball Check - Floating 1"-8 UNC
IC13S8-C0 Stainless Steel AISI 316 Single Ball Check - Floating 1"-8 UNC
IC13S8-80 4140 Single Ball Check - Floating 1"-8 UNC
IC13S7-10 1215 Single Ball Check - Floating 7/8"-9 UNC
IC13S7-C0 Stainless Steel AISI 316 Single Ball Check - Floating 7/8"-9 UNC
IC13S7-80 4140 Single Ball Check - Floating 7/8"-9 UNC
IC13S6-10 1215 Single Ball Check - Floating 3/4"-10 UNC
IC13S6-C0 Stainless Steel AISI 316 Single Ball Check - Floating 3/4"-10 UNC
IC13S6-80 4140 Single Ball Check - Floating 3/4"-10 UNC

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