Is the STECKO reduction plug coupling, automatic steel compatible with common hydraulic fluids used in mining and resistant to corrosion after galvanization?

Yes. The STECKO reduction plug coupling, automatic steel is compatible with common hydraulic fluids used in mining and offers good corrosion resistance after galvanization. Why: - Materials: Automatic steel provides mechanical strength required for mining hydraulics. The part is galvanized, which gives a protective zinc layer that resists corrosion in typical mining environments. - Seals: NBR (nitrile) Oâring is broadly compatible with common hydraulic oils (mineral oils, many synthetic oils) used in mining. The Teflon (PTFE) backâup ring provides chemical inertness and enhances sealing stability under pressure and temperature variations. - Practical considerations: For aggressive fluids (strong solvents, certain phosphate esters or fireâresistant fluids) or highly acidic/alkaline conditions, verify compatibility of NBR and the galvanized finish with the specific fluid. Also consider operating temperature and abrasive/contaminant exposure typical for mining; additional surface treatments or stainless alternatives may be preferable for extreme corrosion environments. Conclusion: For standard mining hydraulic fluids and normal mining conditions, the STECKO reduction plug coupling, automatic steel is compatible and corrosionâresistant after galvanization; for unusual fluids or extreme environments, confirm with fluid compatibility data and site conditions.

Can the STECKO reduction plug coupling, automatic steel withstand high-pressure shock loads in mining hydraulic applications?

Yes - the STECKO reduction plug coupling, automatic steel can withstand high-pressure shock loads typical in mining hydraulic applications, with some important caveats. The automatic steel (galvanized) body provides high mechanical strength and impact resistance, while the NBR O-ring and PTFE (Teflon) back-up ring offer reliable dynamic sealing and extrusion resistance under pressure spikes. However, actual performance depends on correct sizing, installation, system pressure ratings, and compatibility with the fluid and temperature range. For repeated high-energy shock loads, verify the couplingâs rated burst and cyclical pressure limits against your application and perform periodic inspection/replacement of seals. For critical mining installations, consult STECKO technical data and safety factors to ensure compliance.

Does the STECKO reduction plug coupling, automatic steel include NBR and Teflon seals suitable for mining use?

Yes. The STECKO reduction plug coupling, automatic steel includes both NBR (Oâring) and PTFE (Teflon) backâup seals as specified. The materialsâautomatic steel, galvanized body with NBR Oâring and Teflon backâup ringâare commonly used in mining hydraulic applications for good sealing performance, chemical compatibility, wear and extrusion resistance. However, final suitability for a specific mining use depends on the operating conditions (pressure, temperature, aggressive fluids, particulate contamination) and any siteâspecific standards or approvals; verify service conditions against the sealsâ temperature/chemical limits and applicable mining specifications before deployment.

STECKO reduction plug coupling, automatic steel

All products, Fittings for high-pressure hoses/

Additional information

Material	CS – steel (cast iron)
Standard length [m]	60

Reduction plug connector of the STECKO system for use in hydraulic systems for mining. Material: automatic steel, galvanized. Sealing: NBR (o-ring), Teflon (back-up ring).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TI-GST-5-22BA	STECKO 8/10 - 4/6 reduction plug connector	-	530	In stock	Enquiry
TI-GST-5-22CB	STECKO 12 - 8/10 reducing plug connector	-	500	In stock	Enquiry
TI-GST-5-22EB	STECKO 20 - 8/10 reduction plug connector	-	450	In stock	Enquiry
TI-GST-5-22EC	STECKO 20 - 12 reduction plug connector	-	450	In stock	Enquiry
TI-GST-5-22FC	STECKO 25 - 12 reduction plug connector	-	400	In stock	Enquiry
TI-GST-5-22FE	STECKO 25 - 20 reducing plug connector	-	400	In stock	Enquiry
TI-GST-5-22GE	STECKO 32 - 20 reducing plug connector	-	300	In stock	Enquiry
TI-GST-5-22GF	STECKO 32 - 25 reducing plug connector	-	300	In stock	Enquiry

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Reduction plug connector of the STECKO system for use in hydraulic systems for mining. Material: automatic steel, galvanized. Sealing: NBR (o-ring), Teflon (back-up ring).