Is the Screwed quick-connector (3/4" Ã· 1") plug in galvanized steel, type TC safe to disconnect under residual pressure up to 50 bar?

Yes. The Screwed quick-connector (3/4" Ã· 1") plug in galvanized steel, type TC is safe to disconnect under residual pressure up to 50 bar. The product description explicitly states that coupling under residual (static) pressure is permitted up to a maximum of 50 bar. Material and sealing (galvanized steel, NBR), operating temperature range (â40Â°C to +106Â°C), and a working pressure rating up to 350 bar with a safety factor of 3:1 support safe use within these limits. Ensure actual residual pressure does not exceed 50 bar before disconnecting and follow all manufacturer safety procedures.

Can the Screwed quick-connector (3/4" Ã· 1") plug in galvanized steel, type TC be used with hydraulic oils at temperatures down to -40Â°C?

Yes. The Screwed quick-connector (3/4" Ã· 1") plug in galvanized steel, type TC can be used with hydraulic oils at temperatures down to -40Â°C. Its specified operating temperature range is -40Â°C to +106Â°C, material is galvanized steel, sealing is NBR, and its application is hydraulic power (hydraulic oil). Ensure oil compatibility with NBR at low temperatures and verify system pressures (coupling permits residual pressure up to 50 bar, working pressure up to 350 bar depending on size).

Does the Screwed quick-connector (3/4" Ã· 1") plug in galvanized steel, type TC require specific maintenance intervals for reliable operation?

Screwed quick-connector (3/4" Ã· 1") plug in galvanized steel, type TC does not require unusually frequent or special maintenance intervals beyond standard good-practice checks for hydraulic quick couplings. Recommended maintenance for reliable operation: - Inspect visually before each use for damage, corrosion, dirt or worn seals. - Clean coupling faces and sleeve regularly to prevent contamination (frequency dependent on operating environment; daily in dirty conditions, weekly in cleaner environments). - Check NBR seals periodically for wear, hardening or cracking; replace seals if any deterioration is found (typical inspection interval: every 3â12 months depending on service severity). - Lubricate moving parts (butterfly handles/sleeve) with a compatible light hydraulic grease or oil as needed to ensure smooth operation (monthly to quarterly in frequent-use applications). - Perform pressure/leak tests after reassembly or seal replacement and during scheduled maintenance (suggested every 6â12 months). - Monitor for leakage under permitted residual pressure (up to 50 bar) and during working pressures up to 350 bar; any persistent leakage or malfunction requires immediate removal from service and repair. - Follow truck/hydraulic system manufacturer maintenance schedule and replace coupling if mechanical damage, excessive wear or corrosion compromises safety factor. These intervals should be adjusted based on operating temperature range (â40Â°C to +106Â°C), contamination level, frequency of use and criticality of the application.

Screwed quick-connector (3/4″ ÷ 1″) plug in galvanized steel, type TC

All products, Hydraulic quick couplings/

Additional information

Material	CS – steel (cast iron)

Quick coupling plug type TC designed for use in hydraulic systems of heavy-duty trucks and dump trucks. The plug sleeve is equipped with butterfly handles and allows for quick and easy connection and disconnection of the quick coupling without the need for tools. Coupling under residual pressure is permitted up to a maximum of 50 bar (static pressure remaining in the system after the drive is turned off). Application: hydraulic power (hydraulic oil). Material: galvanized steel. Sealing: NBR. Operating temperature: from -40°C to +106°C. Working pressure: up to 350 bar (depending on size). Safety factor 3:1. Flow rate is specified for a pressure drop of 3 bar.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
HQ-TC19-M-12G	TC plug 3/4", G 3/4" BSP	-	350	In stock	0 zł		Enquiry
HQ-TC25-M-16G	TC plug 1", GW 1" BSP	-	300	In stock	0 zł		Enquiry

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Quick coupling plug type TC designed for use in hydraulic systems of heavy-duty trucks and dump trucks. The plug sleeve is equipped with butterfly handles and allows for quick and easy connection and disconnection of the quick coupling without the need for tools. Coupling under residual pressure is permitted up to a maximum of 50 bar (static pressure remaining in the system after the drive is turned off). Application: hydraulic power (hydraulic oil). Material: galvanized steel. Sealing: NBR. Operating temperature: from -40°C to +106°C. Working pressure: up to 350 bar (depending on size). Safety factor 3:1. Flow rate is specified for a pressure drop of 3 bar.