Expansion Compensators

Expansion Compensators are essentially a bellows that is protected by and guided within a pipe housing, and designed to give improved stability.

Bellows are externally pressurized. 3.5 Minimum Safety Factor for both Bellows and Housing. They are available with threaded nipple ends (ECMN), floating flanges (ECFFL), copper sweat ends (ECCPS) and weld end grooved nipples (ECWGN).

Mason Improvements

• Good operating clearances to prevent binding.
• A much better looking mechanism that can be used to partially compress joints prior to installation to allow for contraction as well as expansion on installations with temperatures below ambient when in service. The locking device is a permanent part of the construction. They can always be tightened to hold the expansion joint in a particular position for removal while piping is serviced.
• A depth gauge on the moving end to monitor movements, make certain that joints are at the 0 position before installation, or used to pre-set joints in some preferred position.
• Great attention to canister and pipe welding details.
• Internal and external clearances to prevent bellows wear because of rubbing.
• Safety factors between 3.5 and 4 compared to others at 2.25. Double drains on most designs, generous lifting near the centre of gravity for easier handling.
• A raised face flange and a floating flange on all flanged products for easier installation and bellows anti-torquing protection.
• Grooved fittings are beveled as well to allow welding into pipe lines as an alternate method. (Mason does not recommend welding.)

Related Products

Stainless Steel Flexible Pipe Connectors

Stainless steel connectors are used where movement is required between two pipes or pieces of equipment. They are mainly required when pipes have to bridge building expansion joints or to allow for movement of mechanical equipment.

Braided Annular Flexible Hose

Mason UK can provide a range of stainless steel braided annular flexible hose. These flexible pipe connectors are suitable for use with corrosive fluids, gases or temperatures and pressures outside of the rubber range.

Vee Assemblies

Many buildings are separated by expansion joints through the walls and floors. During an earthquake the two adjacent parts resonate with relatve motion of as much as +/- 100mm in shear as well as toward and away from one another.

Bellows Pump Connectors

All bellows differ from stainless steel hose in the corrugation configurations. Bellows are deeper and wider and they are made from a heavier material to handle the pressure without the braid. A very common location of our 2 ply bellows is at the pumps.

Adjustable Sliding Guides

Mason Adjustable Sliding Guides (ASG) are pipe guides that can be installed in any orientation. They come is a range of standard sizes to suit pipes from 20mm to 300mm in diameter. Larger Guides are available on request. Full details can be found in the attached bulletin below.