Is the JIC 90Â° adjustable angle nipple with GZ/GW UNF in stainless steel, type EVW compatible with AISI 316 corrosion-resistant systems and marine environments?

Yes. The JIC 90Â° adjustable angle nipple with GZ/GW UNF in stainless steel, type EVW Format is made of AISI 316 (marine-grade) stainless steel, which provides strong corrosion resistance to chlorides and many corrosive environments. That makes it suitable for corrosion-resistant systems and marine applications where AISI 316 is specified. Caveats: - Actual resistance depends on service conditions (salinity, temperature, oxygenation, mechanical wear, galvanic coupling). - For prolonged exposure to highly aggressive seawater, splash zones, or polluted waters, additional protection (coatings, sacrificial anodes, or higher-alloy materials like duplex stainless or superaustenitic alloys) may be required. - Ensure installation avoids dissimilar-metal galvanic corrosion and that seals/threads (UNF nut/seal on 37Â° cone) are compatible with the marine media and pressures of your system. Conclusion: Compatible in typical marine and corrosion-resistant systems when AISI 316 is acceptable; evaluate specific service conditions to confirm suitability.

Does the JIC 90Â° adjustable angle nipple with GZ/GW UNF in stainless steel, type EVW require specific torque values for the nut to ensure the 37Â° cone seal?

Yes. The JIC 90Â° adjustable angle nipple with GZ/GW UNF in stainless steel, type EVW requires the nut to be tightened to a controlled torque to reliably form the 37Â° cone metal-to-metal seal. Proper torque ensures correct cone engagement, avoids under-tightening (leakage) and over-tightening (thread or cone damage, distortion). Recommended practice is to follow the manufacturerâs specific torque values for that size and thread pitch; if unavailable, use standard JIC torque charts for UNF fittings in stainless steel, applying appropriate thread lubricant and verifying with a calibrated torque wrench. Always perform a pressure/leak test after assembly.

What maintenance is recommended for the JIC 90Â° adjustable angle nipple with GZ/GW UNF in stainless steel, type EVW to prevent thread galling?

To prevent thread galling on the JIC 90Â° adjustable angle nipple with GZ/GW UNF in stainless steel, type EVW, follow these maintenance and handling practices: - Use appropriate lubrication: apply a thin, even film of anti-seize compound or assembly lubricant rated for stainless steel threads (e.g., copper- or nickel-based anti-seize or PTFE-containing lubricants) before assembly to reduce friction and cold welding. - Clean threads before assembly: remove dirt, burrs, corrosion products and old lubricant using a suitable solvent and a soft brush; damaged or contaminated threads increase galling risk. - Inspect threads regularly: check for signs of fretting, discoloration, scoring or deformation. Replace nipples or mating fittings if significant wear or damage is found. - Use correct torque and assembly technique: tighten gradually and evenly to the manufacturerâs recommended torque values; avoid over-torquing. If no torque spec is provided, tighten by feel using small incremental turns rather than a single heavy blow. - Avoid excessive cross-threading: start threads by hand to ensure proper alignment before using tools. - Where possible, use mating materials or coatings that reduce galling: pair stainless steel with appropriately coated or softer mating threads (e.g., plated fittings or specified compatibility) if system design allows. - Minimize repeated disassembly: frequent dismantling increases the likelihood of galling; plan maintenance to reduce unnecessary cycles. - Store properly: keep fittings dry, clean and protected from contaminants and mechanical damage; use protective caps on threads. Implementing these measures will significantly reduce the likelihood of thread galling on the JIC 90Â° adjustable angle nipple with GZ/GW UNF in stainless steel, type EVW.

JIC 90° adjustable angle nipple with GZ/GW UNF in stainless steel, type EVW

Additional information

Material	SS – stainless steel

Adjustable 90° JIC 37° fitting with external thread and internal UNF thread, nut (seal on 37° cone). Material: AISI 316 steel.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HJ-EVW-07-SS	90° adjustable fitting GZ/GW JIC 7/16"-20, AISI 316	-	450	In stock	Enquiry
HJ-EVW-08-SS	90° adjustable fitting GZ/GW JIC 1/2"-20, AISI 316	-	450	In stock	Enquiry
HJ-EVW-09-SS	90° adjustable fitting GZ/GW JIC 9/16"-18, AISI 316	-	350	In stock	Enquiry
HJ-EVW-12-SS	90° adjustable fitting GZ/GW JIC 3/4"-16, AISI 316	-	350	In stock	Enquiry
HJ-EVW-14-SS	90° adjustable fitting GZ/GW JIC 7/8"-14, AISI 316	-	350	In stock	Enquiry
HJ-EVW-17-SS	90° adjustable fitting GZ/GW JIC 1.1/16"-12, AISI 316	-	350	In stock	Enquiry
HJ-EVW-21-SS	90° adjustable fitting GZ/GW JIC 1.5/16"-12, AISI 316	-	290	In stock	Enquiry
HJ-EVW-26-SS	90° adjustable fitting GZ/GW JIC 1.5/8"-12, AISI 316	-	240	In stock	Enquiry
HJ-EVW-30-SS	90° adjustable fitting GZ/GW JIC 1.7/8"-12, AISI 316	-	240	In stock	Enquiry