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Carbon steel single sphere molded rubber expansion joint
Single-Sphere Molded Rubber Expansion Joints Reference Drawing
Carbon steel single sphere molded rubber expansion joint
Single-Sphere Molded Rubber Expansion Joints Reference Drawing

Single Sphere Molded Rubber Expansion Joints (AJS Series)

SKU: AJS Categories: ,

Reduce noise and vibration with Single Sphere Molded Rubber Expansion Joints (AJS Series), suitable for suction and delivery applications. These molded rubber expansion joints can absorb motion and reduce stress. They come with ANSI Class #150 drilled flanges and can be customized with ANSI Class #300 and DIN-rated flanges. We carry stock in various rubber bodies and flanges to meet your project requirements for quick turnaround time.

Downloads:

Rubber Expansion Joints and Accessories Spec Sheet
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Product Details

Features

  • Higher burst pressure ratings vs. AMS Series Rubber Expansion Joints
  • Applicable for suction and delivery (discharge).
  • Provides sound and vibration isolation.
  • Gaskets and packing are not required.
  • Floating flanges allow for easy installation.
  • Prevents piping system and equipment breakdown by absorbing elongation and contraction caused by temperature variances.
  • Absorbs water pulsation and minimizes water hammering.
  • DIN PN10/PN16 drilled flanges available upon request (See DIN Flange section for dimensions)
  • Working pressure ratings based on 4:1 safety margin (at 70°F).
 

Applications

  • Pumps & air compressors in air conditioning system & sanitary equipment.
  • Refrigeration systems and blowers in industrial plant equipment.
  • Feed-water and drainage equipment in marine piping systems.
  • Applicable for use in power generation and chemical plants.
  • Marine applications
 

Specifications: Single Sphere Molded Rubber Expansion Joints (AJS Series)

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED
API Part Number Size Inches Face To Face Dimensions Inches Allowable Motion Ratings* Compression Allowable Motion Ratings* Elongation Allowable Motion Ratings* Lateral Allowable Motion Ratings* Angular Installation Tolerances Compression Installation Tolerances Elongation Installation Tolerances Lateral Installation Tolerances Angular
AJS0100 1 6 0.50 0.38 0.50 20° 0.13 0.13 0.13 5°
AJS0125 1.25 6 0.50 0.38 0.50 20° 0.13 0.13 0.13 5°
AJS0150 1.5 6 0.50 0.38 0.50 20° 0.13 0.13 0.13 5°
AJS0200 2 6 0.50 0.38 0.50 20° 0.13 0.13 0.13 5°
AJS0250 2.5 6 0.50 0.38 0.50 15° 0.13 0.13 0.13 5°
AJS0300 3 6 0.50 0.38 0.50 15° 0.13 0.13 0.13 5°
AJS0400 4 6 0.63 0.38 0.50 15° 0.13 0.13 0.13 5°
AJS0500 5 6 0.63 0.38 0.50 15° 0.13 0.13 0.13 5°
AJS0600 6 6 0.63 0.38 0.50 15° 0.13 0.13 0.13 5°
AJS0800 8 6 0.63 0.38 0.50 15° 0.13 0.13 0.13 5°
AJS1000 10 8 0.75 0.50 0.75 15° 0.13 0.13 0.13 5°
AJS1200 12 8 0.75 0.50 0.75 15° 0.13 0.13 0.13 5°
AJS1400 14 8 1.00 0.63 0.75 15° 0.13 0.13 0.13 5°
AJS1600 16 8 1.00 0.63 0.75 15° 0.13 0.13 0.13 5°
AJS1800 18 8 1.00 0.63 0.75 15° 0.13 0.13 0.13 5°
AJS2000 20 8 1.00 0.63 0.75 15° 0.13 0.13 0.13 5°
AJS2400 24 10 1.00 0.63 0.75 15° 0.13 0.13 0.13 5°
*Non Concurrent Ratings. Warning: Do NOT elongate Single Sphere Molded Rubber Expansion Joints when installing for suction service.  

Part Number Scheme

Part Number Section Options
Type AJS = Single Sphere Flanged Expansion Joint (Steel)
Size XXXX = Size in inches going out 2 decimal places
Body Material NE = Neoprene EP = EPDM BN = Buna-N/Nitrile/NBR
Flange Material STL = Steel
Class 150 = 150# Drilling 300 = 300# DrillingP10 = DIN PN10 Drilling P16 = DIN PN16 Drilling
Example AJS0200-NE-STL-150 = 2″ Single Sphere Expansion Joint with Neoprene Body and Steel Flanges with 150# Drill Pattern
 

Operating Conditions

Size Range 1” – 12” 14” – 24” & 28″
Operating Pressure up to 225 psi (up to 160°F) up to 150 psi (up to 160°F)
Burst Pressure 900 psi (at 70°F) 600 psi (at 70°F)
Vacuum Rating* 26 in/hg 15 in/hg
Operating Temp. Range* Neoprene: 14°F- 180°F EPDM: 14°F- 210°F Buna-N/Nitrile/NBR: 14°F- 180°F Neoprene: 14°F- 180°F EPDM: 14°F- 210°F Buna-N/Nitrile/NBR: 14°F- 180°F
Warnings:
  • Pressure ratings listed in the above table are for temperatures up to 160°F. For temperature service above 160°F, please contact API Sales for actual working pressure ratings.
  • Limit rods are required in systems that are unanchored and recommended in all other applications.
  • Not for use in steam applications.
 

Materials

Part Part Description Material
1 Flanges Mild Steel – Plated
2 Reinforcing Wire Mild Steel
3 Tube Synthetic Rubber
4 Cover Synthetic Rubber
5 Reinforcing Cord Nylon
Note: Customized for flanges ANSI-150, ANSI-300 and DIN

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