High Pressure Pup Joint Spacer Spool 1" - 5" 1000 - 20000PSI For Oilfield Piping
Product Details
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High Pressure Pup Joint,Oilfield Spacer Spool 20000PSI,Oilfield Spacer Spool 5" |
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Product Description
1. Product Overview
The High Pressure Pup Joint and Spacer Spool are essential pipeline components used in oilfield high-pressure fluid systems. They serve as spool pieces that connect various equipment such as manifolds, wellheads, pumps, and valves, providing the necessary length adjustment, directional flexibility, and equipment spacing in complex pipeline layouts.
Our high pressure pup joints and spacer spools are manufactured from high-strength alloy steel with strict heat treatment to ensure uniform metallurgical structure and pressure-bearing capacity. Both ends can be configured with various connection types – hammer union, threads, or flanges – to match your specific equipment requirements.
The port-to-port connections are available in three types: pressure-threaded seal, integral (one-piece), and butt-welded configurations, offering flexibility for different installation and maintenance needs.
All products are designed and manufactured in strict accordance with API Spec 6A and NACE MR0175 standards, ensuring reliable sealing, safe operation, and full interchangeability with major international brands. Available in a wide range of pressure ratings, sizes, and lengths to meet diverse operational requirements. Models are available for standard, low-temperature, and sour gas (H₂S) environments per user requirements.
Key features at a glance:
Multiple end connection options: Union, Thread, Flange
Three connection types: Threaded seal, Integral, Butt-weld
Pressure range: 1,000 – 20,000 PSI
Size range: 1″ – 5″
Length range: 1 ft – 20 ft
Temperature rating: -29°C to +121°C (PU grade)
API 6A compliant – fully interchangeable
Available for standard, low-temperature & sour service
2. Product Types
There are two types:
2.1 Pup Joint – Union Type
Features:
Quick make-up and break-out with hammer unions
Ideal for temporary or frequently changed connections
Excellent interchangeability with FMC, SPM, and other major brands
Replaceable seal rings for easy maintenance
2.2 Spacer Spool – Flange Type
Features:
Rigid, leak-proof bolted flange connections
Ideal for permanent or semi-permanent installations
Available in standard API flange sizes
Suitable for high-pressure and sour service applications
·
3. Technical Specifications Comparison)
|
Parameter |
Pup Joint (Union Type) |
Spacer Spool (Flange Type) |
|
End Connection |
Hammer union (FIG 206/602/1002/1003/1502/2002/2202) |
API flanges (2-1/16″ to 4-1/16″) |
|
Working Pressure |
1,000 – 20,000 PSI |
1,000 – 20,000 PSI |
|
Nominal Diameter |
1″ – 5″ |
1″ – 5″ |
|
Length Range |
1 ft – 20 ft |
1 ft – 20 ft |
|
Temperature Rating |
-29°C ~ +121°C (PU) |
-29°C ~ +121°C (PU) |
|
Connection Types |
Threaded seal / Integral / Butt-weld |
Threaded seal / Integral / Butt-weld |
|
Sour Service |
NACE MR0175 compliant |
NACE MR0175 compliant |
4. Model Numbers & Specifications
Our JH-PJ series high pressure pup joints and spacer spools are available in a comprehensive range of configurations. The table below provides detailed model numbers and available configurations:
|
Item No. |
Size |
Connection Type |
Cold Working Pressure |
Available Lengths (ft) |
|
Union × Union |
|
|
|
|
|
JH-PJ-2HU |
2″ |
FIG 1502 F/F |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-2HU |
2″ |
FIG 1502 M/M |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-2HU |
2″ |
FIG 1502 F/M |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-3HU |
3″ |
FIG 1502 F/F |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-3HU |
3″ |
FIG 1502 F/M |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-3HU |
3″ |
FIG 1002 F/F |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-3HU |
3″ |
FIG 1002 F/M |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-3HU |
3″ |
FIG 1002 M/M |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-4HU |
4″ |
FIG 1002 F/M |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-4HU |
4″ |
FIG 1002 F/F |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-4HU |
4″ |
FIG 1002 M/M |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-PJ-5HU |
5″ |
FIG 1002 F/M |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
Flange × Flange (Spacer Spool) |
|
|
|
|
|
JH-SS-2F |
2″ |
Flange / Flange |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-SS-3F |
3″ |
Flange / Flange |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
|
JH-SS-4F |
4″ |
Flange / Flange |
5,000-10,000 PSI |
2, 3, 4, 5, 6, 8, 10, 12, 20 |
Connection type key:
F/F: Female × Female (both ends female thread)
M/M: Male × Male (both ends male thread)
F/M: Female × Male (one end female, one end male)
Flange/Flange: Both ends flanged
FIG series available: 206 / 602 / 1002 / 1003 / 1502 / 2002 / 2202
Custom sizes, lengths, pressure ratings, and connection configurations available upon request. We also offer OEM/ODM services for special requirements.
5. Port Connection Types)
|
Connection Type |
Description |
Best Suited For |
|
Pressure Threaded Seal |
Precision-machined threads with metal-to-metal sealing surface |
High-pressure applications requiring reliable sealing without separate seal rings |
|
Integral (One-Piece) |
Machined from a single piece of forged steel, no welded joints |
Critical high-pressure applications where weld integrity is a concern |
|
Butt-Welded |
Ends welded to pipe body with full penetration weld |
Custom length requirements, cost-effective for longer spools |
End connection options:
Hammer Union – FIG 206 / 602 / 1002 / 1003 / 1502 / 2002 / 2202
Threaded – API line pipe threads / tubing threads
Flanged – API 6A flanges (2-1/16″ to 4-1/16″)
Product Highlights
API 6A high pressure pup joint and spacer spool for oilfield drilling, cementing & fracturing. 1″-5″, 1,000-20,000 PSI, lengths 1-20ft. Union, threaded & flange connections available. Sour service ready. Factory direct JH-PJ series.
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