Is the HAMMER LUG connector (female part) with GW NPT, 4130 steel, type 1502 rated for continuous use at 15000 PSI with metal/metal cone sealing and NBR edge seal?

Yes. The HAMMER LUG connector (female part) with GW NPT, 4130 steel, type 1502 is rated for continuous use at 15,000 PSI (1,034 bar) with metal/metal cone sealing and an NBR edge seal, per the provided specification. The connectorâs material (4130 chromeâmolybdenum steel), NPT internal thread, cone metalâtoâmetal seal plus additional NBR edge seal, and the stated pressure rating of 15,000 PSI indicate it is intended and specified for continuous operation at that pressure.

Does the HAMMER LUG connector (female part) with GW NPT, 4130 steel, type 1502 require specific torque values for reliable sealing at 15000 PSI?

Yes - the HAMMER LUG connector (female part) with GW NPT, 4130 steel, type 1502 requires defined torque control for reliable sealing at 15,000 PSI. Metal-to-metal cone sealing plus the NBR edge seal both depend on correct thread engagement and axial clamping force. Use calibrated torque or make-up procedure specified by the manufacturer (or torque values derived from thread size, material, and coating) to ensure proper compressive load without yielding the 4130 steel or damaging the NBR. Over- or under-torque can cause leak paths, seal extrusion or thread damage. If manufacturer torque data is unavailable, consult an engineer to calculate required torque based on NPT thread dimensions, friction coefficient, and desired preload, and verify with pressure testing at operating pressure.

Does the HAMMER LUG connector (female part) with GW NPT, 4130 steel, type 1502 require periodic inspection after exposure to 15000 PSI?

Yes. The HAMMER LUG connector (female part) with GW NPT, 4130 steel, type 1502 should be subjected to periodic inspection after exposure to 15,000 PSI (1034 bar). Rationale: - Service at very high pressure increases risk of fatigue, stress corrosion, microcracking or plastic deformation in both the 4130 chromeâmolybdenum steel and the metal/metal cone sealing surfaces. - The NBR edge seal can suffer compression set, extrusion, hardening or chemical degradation under repeated or prolonged highâpressure exposure, compromising seal integrity. - Threads (NPT) and mating contact surfaces may experience galling, thread damage, fretting or wear, which can lead to leaks or loss of mechanical engagement. - Routine inspection allows early detection of seal wear, surface damage, cracks, corrosion, dimensional changes or any sign of leaking, and supports safe reâuse or timely replacement. Recommended inspection approach (summary): - Visual inspection for leaks, surface damage, corrosion, extrusion of NBR, and thread condition. - Nonâdestructive testing (e.g., dye penetrant, magnetic particle, or other appropriate NDT) for cracks or subsurface defects when warranted. - Functional pressure test at an appropriate test pressure and hold time, per applicable standards or company procedures. - Replace NBR edge seal if any sign of degradation; repair or replace conical sealing surface or threads if damaged. - Establish inspection intervals based on cycle count, exposure duration, operating history and applicable codes/standards. Conclusion: Do not assume indefinite serviceability after 15,000 PSI exposure; implement periodic inspections and NDT/pressure testing and replace components or seals as indicated to ensure safety and sealing performance.

HAMMER LUG connector (female part) with GW NPT, 4130 steel, type 1502

Additional information

Material	CS – steel (cast iron)

Female part of the HAMMER LUG connector type 1502 with internal NPT thread. Material: chrome-molybdenum steel 4130. Connection: NPT thread. Sealing: metal/metal (cone) + additional edge seal (NBR). Pressure: 15000 PSI (1034 bar).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
HL-FIG1502DG-050	HAMMER LUG connector type 1502 (female) 2", NPT thread, steel 4130	-	1034	In stock	0 zł		Enquiry
HL-FIG1502DG-075	HAMMER LUG connector type 1502 (female) 3", GW NPT, steel 4130	-	1034	In stock	0 zł		Enquiry

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Female part of the HAMMER LUG connector type 1502 with internal NPT thread. Material: chrome-molybdenum steel 4130. Connection: NPT thread. Sealing: metal/metal (cone) + additional edge seal (NBR). Pressure: 15000 PSI (1034 bar).