Can the Straight swivel coupling, AISI 316L steel, type GIL be used at high rotational speeds or only for low-torque, low-speed applications?

The Straight swivel coupling, AISI 316L steel, type GIL is intended for low-torque, low-speed applications. These rotary joints are designed with a ball bearing for hydraulic oil and similar industrial media to eliminate hose stress, but they are explicitly not designed for operation at high rotational speeds. Use them within their specified low-torque, low-speed limits and the stated temperature range (-15Â°C to +250Â°C); do not employ them where high RPM operation is required.

Is the Straight swivel coupling, AISI 316L steel, type GIL suitable for use with hydraulic oil at temperatures up to +250Â°C?

Yes. Straight swivel coupling, AISI 316L steel, type GIL is suitable for use with hydraulic oil at temperatures up to +250Â°C. The product description specifies it is designed for hydraulic oil and other industrial media, constructed of AISI 316L with Viton seals, and lists an operating temperature range from -15Â°C to +250Â°C. Note: intended for low-torque rotation and not for high rotational speeds.

Can the Straight swivel coupling, AISI 316L steel, type GIL be used with media other than hydraulic oil, such as aggressive chemicals?

Straight swivel coupling, AISI 316L steel, type GIL is specified for hydraulic oil and "other industrial media," but suitability for aggressive chemicals cannot be assumed without verification. Key points to consider: - Materials: Body is AISI 316L stainless steel, which offers good general corrosion resistance and performs well with many chemicals, including some acids and alkaline solutions. However, 316L is not universally resistantâstrong chlorides, certain halogenated solvents, and some oxidizing acids can cause corrosion or pitting. - Seals: Sealing material is Viton (FKM). Viton has excellent resistance to many oils, fuels, and many aggressive chemicals (some acids, ketones, esters, and many hydrocarbons), and a wide temperature range (-15Â°C to +250Â°C as given). Still, Viton is incompatible with some media such as concentrated amines, some hot alkalis, and certain polar solvents (e.g., ketones at high concentration), so chemical compatibility must be checked. - Operating limits: The joint is designed for low-torque rotary connections and not for high rotational speeds. Chemical use that alters viscosity, causes swelling of seals, or produces abrasive or particulate byproducts can affect torque, seal life, and bearing performance. Recommendation: Before using Straight swivel coupling, AISI 316L steel, type GIL with an aggressive chemical, obtain the exact chemical identity, concentration, temperature, pressure and duty cycle. Check compatibility charts for AISI 316L and Viton with that specific media and conditions. If uncertainty remains, consult the manufacturer for approval or consider alternative materials/seals (e.g., PTFE seals, higher-alloy steels) designed for the specific aggressive chemical.

Straight swivel coupling, AISI 316L steel, type GIL

All products, Hydraulic rotary unions/

Additional information

Material	SS – stainless steel

Straight rotary joints GIL with ball bearing designed for hydraulic oil and other industrial media. Used in systems requiring a rotary connection to eliminate hose stress. The joints are intended for rotation at low torque. They are not designed for operation at high rotational speeds. Material: AISI 316L steel. Sealing: viton. Connection: GZ / GW BSP. Operating temperature: from -15°C to +250°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
ZO-GIL-04-SS	Rotary joint GZ/GW 1/4" BSP, AISI 316L	-	350	In stock	Enquiry
ZO-GIL-06-SS	Rotary joint GZ/GW 3/8" BSP, AISI 316L	-	350	In stock	Enquiry
ZO-GIL-08-SS	Rotary joint GZ/GW 1/2" BSP, AISI 316L	-	300	In stock	Enquiry
ZO-GIL-12-SS	Rotary joint GZ/GW 3/4" BSP, AISI 316L	-	250	In stock	Enquiry
ZO-GIL-16-SS	Rotary joint GZ/GW 1" BSP, AISI 316L	-	250	In stock	Enquiry

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Straight rotary joints GIL with ball bearing designed for hydraulic oil and other industrial media. Used in systems requiring a rotary connection to eliminate hose stress. The joints are intended for rotation at low torque. They are not designed for operation at high rotational speeds. Material: AISI 316L steel. Sealing: viton. Connection: GZ / GW BSP. Operating temperature: from -15°C to +250°C.