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Description
Parker PGI's Internal Check Wellhead Grease Fittings are installed below lubrication fittings to provide added back flow protection.
They are offered in 1/4" to 1/2" 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.
Features- Accepts button head grease fitting coupler
- Heavy Duty Radial Rivet Crimp
- 1/4" - 1/2" NPT sizes
- 316 SS or 4140 body materials meet latest revision of NACE - no cold working of materials
- Service up to 10000 PSI
Configure
Specifications
Specifications
Brand
Product Style
- Single Ball Check - Spring Biased
- Double Ball Check - Floating
- Single Ball Check - Floating
Connection Thread Size
- 3/4” (10 UNC) - 1” (8 UNC)
- 1/4” - 1/2” (NPSM)
- 1/4” - 1/2” (NPT)
Body Material
- Consult Factory for Additional Materials
- 1215
- 4140
- 316 Stainless Steel
Plating Type
- N/A
- Zinc
Heat Treatment
- N/A
- Rc 22 Max. (NACE)
- Annealed (NACE)
Ball Material
- Consult Factory for Additional Materials
- AISI 52100 Chrome Alloy
- K-Monel
Spring Material
- Consult Factory for Additional Materials
- N/A
- Inconel X-750
Length
- 1-1/4”
- 1-7/16”
- 1-9/16”
- 1”
- 1-9/32”
- 1-5/8”
- 3/4”
- 7/8”
- 15/16”
Maximum Operating Pressure
- 10000 psi
- 689 bar
