Variable Spring Supports

Variables use coiled springs to support a load and allow movement. The resistance of the coil to a load changes during compression, which is why these devices are called “variables”. We offer a variety of different designs of variable spring pipe supports.

General Information
Load And Travel
Types & Sizes
Fig. PTP-1-Types A, B, & C-Short Variable Springs
Fig. PTP-1-Types D, E, & F-Short Variable Springs
Fig. PTP-1-Type G-Short Variable Springs
Fig. PTP-2-Types A, B, & C-Standard Variable Springs
Fig. PTP-2-Types D, E, & F-Standard Variable Springs
Fig. PTP-2-Type G-Standard Variable Springs
Fig. PTP-4-Types A, B, & C-Double Variable Springs
Fig. PTP-4-Types D, E, & F-Double Variable Springs
Fig. PTP-4-Type G-Double Variable Springs
Fig. PTP-6-Types A, B, & C-Triple Variable Springs
Fig. PTP-6-Types D, E, & F – Triple Variable Springs
Fig. PTP-6-Type G-Triple Variable Springs
Fig. PTP-8-Types A, B, & C-Quadruple Variable Springs
Fig. PTP-8-Types D, E, & F-Quadruple Variable Springs
Fig. PTP-8-Type G-Quadruple Variable Springs
Fig. 400-Light Duty Spring Hanger
Customization Options
Customization Addendum for Spring Supports
Sizing & Stress Analysis
Spring Support Sizing & Pipe Stress Analysis
Technical Information
Why PT&P Spring Supports
Engineered Spring Supports – General Information
Sizing a Variable Spring Support
Furnace Springs vs. Standard Springs
Inspection and Maintenance of Supports
Safety Alert for Installation of Springs
Methods of Protecting against Corrosion
Variable Spring Supports vs. Constant Spring Supports
Considering All Movement in Pipe Support Design
Comparative Corrosion Resistance Guide
Installation & Maintenance
Variable Spring Supports Installation and Maintenance Guide

Acid Plants
Aerospace Development
Chemical Plants
Cogeneration Plants

Coker Units
Furnace Ammonia
Gasoline Production & Storage
Liquified Natural Gas

Natural Gas Processing & Separation
Offshore Platforms
Oil Sands Mines
Paper Manufacturing

Petroleum Facilities
Power Plants
Solar Electric Generating
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General Dimensions & Specifications

PT&P has set up it’s manufacturing to offer an unparalleled set of customization options with minimal impact on delivery timeframes. In addition to our standard (hot-dipped galvanized, neoprene lined springs) variable spring supports, we can customize any material, finish, dimension, load, load adjustment, travel, travel stops, as well as providing sensors for remote monitoring. View more details on how we can customize your variable spring support.

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