Is the Straight swivel coupling, galvanized steel, type GGIL suitable for high-speed rotation or only for low-torque, low-speed hydraulic applications?

The Straight swivel coupling, galvanized steel, type GGIL is intended for low-torque, low-speed hydraulic applications. Its description explicitly states it is designed for rotation at low torque and is not designed for operation at high rotational speeds. Although it has a ball bearing and is suitable for hydraulic oil service (NBR seals, galvanized steel body, G BSP connections, operating temperature -40Â°C to +106Â°C), it should not be used where high-speed rotation is required. Use it to relieve hose stress in slow rotary connections only.

Can the Straight swivel coupling, galvanized steel, type GGIL be used with hydraulic fluids other than standard mineral oil?

Based on the provided description of the Straight swivel coupling, galvanized steel, type GGIL, it is specified and designed for hydraulic oil with NBR (nitrile) seals and a temperature range of -40Â°C to +106Â°C. NBR is compatible with standard mineral oils but has limited compatibility with many synthetic hydraulic fluids (e.g., phosphate esters, some glycol-based fluids, and certain synthetic esters) and some aggressive additives. Therefore, use with fluids other than standard mineral oil is not generally recommended unless you confirm chemical compatibility of NBR with the specific fluid and that the fluidâs viscosity and additives suit the jointâs design and operating conditions. For non-mineral oils, consult the manufacturer for approved fluids or consider alternative sealing materials/components rated for that fluid.

Does the Straight swivel coupling, galvanized steel, type GGIL support installation in systems with axial misalignment between hose and port?

Yes. The Straight swivel coupling, galvanized steel, type GGIL supports installation in systems with axial misalignment between hose and port. It is a straight rotary joint with a ball bearing designed to provide a rotary connection that eliminates hose stress, accommodating some axial and angular misalignment while allowing rotation at low torque. It is intended for hydraulic oil service, not for high rotational speeds. Materials and seals (galvanized steel, NBR) and BSP GZ/GW connections are suitable for typical hydraulic installations within the stated temperature range (-40Â°C to +106Â°C).

Swivel coupling straight, steel galvanized, type GGIL

All products, Hydraulic rotary unions/

Additional information

Material	CS – steel (cast iron)

Swivel coupling straight GGIL with bearing ball intended for oil hydraulic. used in systems demanding connections swivel in order to eliminating stresses hoses. coupling intended for performing revolutions at small moment swivel. Not is designed for use with large speeds swivel. Material: steel galvanized. sealing: NBR. Connection: male / BSP female. Operating temperature: od -40°C up to +106°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
ZO-GGIL-04	Coupling swivel male/female 1/4" BSP	-	400	In stock	Enquiry
ZO-GGIL-06	Coupling swivel male/female 3/8" BSP	-	400	In stock	Enquiry
ZO-GGIL-08	Coupling swivel male/female 1/2" BSP	-	360	In stock	Enquiry
ZO-GGIL-12	Coupling swivel male/female 3/4" BSP	-	310	In stock	Enquiry
ZO-GGIL-16	Coupling swivel male/female 1" BSP	-	280	In stock	Enquiry
ZO-GGIL-20	Coupling swivel male/female 1.1/4" BSP	-	250	In stock	Enquiry
ZO-GGIL-24	Coupling swivel male/female 1.1/2" BSP	-	210	In stock	Enquiry
ZO-GGIL-32	Coupling swivel male/female 2" BSP	-	180	In stock	Enquiry

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Swivel coupling straight GGIL with bearing ball intended for oil hydraulic. used in systems demanding connections swivel in order to eliminating stresses hoses. coupling intended for performing revolutions at small moment swivel. Not is designed for use with large speeds swivel. Material: steel galvanized. sealing: NBR. Connection: male / BSP female. Operating temperature: od -40°C up to +106°C.