Is the SAE 3000 locking collar, carbon steel, type E3 compatible with hydraulic systems operating at -20Â°C to +100Â°C and supplied with mounting screws and an NBR O-ring?

Yes. The SAE 3000 locking collar, carbon steel, type E3 Format is compatible: it is described as a closing flange for hydraulic systems, made of carbon steel (galvanized), supplied with mounting screws and an NBR O-ring seal, and rated for an operating temperature range of -20Â°C to +100Â°C . matching the specified requirements.

Can the SAE 3000 locking collar, carbon steel, type E3 be used with other O-ring materials besides NBR for extreme temperatures?

The SAE 3000 locking collar, carbon steel, type E3 is supplied with an NBR O-ring and its stated operating temperature is â20Â°C to +100Â°C. NBR is standard for that range, but if you need extreme temperatures (below â20Â°C or above +100Â°C), NBR will not perform reliably. The mechanical collar can accept other elastomer O-rings, but you must choose a material compatible with the hydraulic fluid and temperature extremes: for low temps consider FKM/Viton (better heat resistance to ~+200Â°C but limited lowâtemp flexibility) or silicone/fluorosilicone (better lowâtemp down to ~â60Â°C but lower chemical resistance), and for very low temps FEP/PFA or PTFE backups may be needed. Validate chemical compatibility, hardness, and seal design, and confirm with the manufacturer or application testing before substituting the Oâring.

Does the SAE 3000 locking collar, carbon steel, type E3 meet galvanization and mounting screw specifications for hydraulics?

Yes. Based on the provided description, the SAE 3000 locking collar, carbon steel, type E3 meets the galvanization and mounting screw specifications for hydraulic use: it is made of carbon steel and explicitly described as galvanized, and it is supplied with mounting screws and an NBR O-ring seal. Operating temperature range (-20Â°C to +100Â°C) is appropriate for typical hydraulic applications.

SAE 3000 locking collar, carbon steel, type E3

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Additional information

Material	CS – steel (cast iron)

Closing flange SAE 3000 for use in hydraulic systems, supplied with mounting screws and an O-ring seal (NBR). Material: carbon steel, galvanized. Operating temperature: from -20°C to +100°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HK-E3-08	SAE 3000 closing flange 1/2"	-	348	In stock	Enquiry
HK-E3-12	SAE 3000 closing flange 3/4"	-	348	In stock	Enquiry
HK-E3-16	SAE 3000 closing flange 1"	-	348	In stock	Enquiry
HK-E3-20	SAE 3000 closing flange 1.1/4"	-	278	In stock	Enquiry
HK-E3-24	SAE 3000 closing flange 1.1/2"	-	210	In stock	Enquiry
HK-E3-32	SAE 3000 closing flange 2"	-	210	In stock	Enquiry
HK-E3-40	SAE 3000 closing flange 2.1/2"	-	175	In stock	Enquiry
HK-E3-48	SAE 3000 closing flange 3"	-	138	In stock	Enquiry
HK-E3-56	SAE 3000 closing flange 3.1/2"	-	35	In stock	Enquiry
HK-E3-64	SAE 3000 closing flange 4"	-	35	In stock	Enquiry
HK-E3-80	SAE 3000 closing flange 5"	-	35	In stock	Enquiry

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Closing flange SAE 3000 for use in hydraulic systems, supplied with mounting screws and an O-ring seal (NBR). Material: carbon steel, galvanized. Operating temperature: from -20°C to +100°C.