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577: Rigid Couplings
The GRINNELL Figure 577 G-FIRE Rigid Coupling provides a rigid joint by firmly gripping along the full circumference of the pipe grooves. Figure 577 G-FIRE Rigid Couplings are a proven dependable method of joining pipe and are an economical alternative to welding, threading, or using flanges. It is capable of pressures up to 24,1 bar (350 psi) depending on pipe size and wall thickness when used in fire protection services.
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705: Flexible Couplings
The GRINNELL Figure 705 Flexible Coupling allows for angular and linear deflection, thermal expansion and contraction, and misalignments of pipe. It is capable of pressures up to 20,7 Bar (300 psi), depending on pipe size and wall thickness. Suitable for use in a variety of applications, the Figure 705 Coupling provides a dependable method of joining pipe.
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707: Heavy Duty Flexible Couplings
The GRINNELL Figure 707 Heavy Duty Flexible Coupling allows for angular and linear deflection, thermal expansion and contraction, and misalignments of the pipe. Flexible couplings can act as an "expansion joint", allowing linear and angular movement of the pipes when properly installed. This coupling is capable of pressures up to 34.5 Bar (500 psi), depending on pipe size and wall thickness. Suitable for use in a variety of applications, the Figure 707 Coupling provides a dependable method of joining pipe.
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716: Flexible Reducing Couplings
The GRINNELL Figure 716 Flexible Reducing Coupling allows for a direct transition between two different pipe sizes and replaces two couplings and a reducing fitting. It is capable of pressures up to 24.1 Bar (350 psi) depending on pipe size and wall thickness. A flexible reducing coupling is not recommended for low-temperature applications.
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