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Stainless steel cam-and-groove coupler with male NPT threads and locking arm

Value Brand

Value Brand 1-1/2" Female Coupler x MNPT 316 SS Coupler

SKU CH-RD8E-T8YKT

A 1-1/2" stainless steel cam-and-groove socket with male NPT threads rated for 250 psi at 70°F

  • 316 stainless steel resists corrosion in harsh environments
  • Cam-and-groove design enables quick tool-free connections
  • Nitrile gasket seals reliably at 250 psi working pressure
  • Built-in locking arm prevents accidental disconnection under pressure
  • 1-1/2 inch NPT threads fit standard plumbing components

1-1/2" Stainless Steel Cam-and-Groove Coupler

This Type B coupler joins a 1-1/2" hose or tube to a 1-1/2" male NPT thread. The body is 316 stainless steel with a nitrile gasket and a locking arm. It suits industrial fluid-transfer systems that need corrosion-resistant connections.

250 psi working pressure at 70 °F

The coupler is rated for 250 psi at 70 °F, giving headroom for typical water, oil or chemical lines at ambient temperature. Pressure capacity drops as temperature rises, so high-temperature service will exceed the rated limit. The 2-1/8" socket bore matches standard 1-1/2" cam-and-groove fittings.

No moving parts, silent operation

There are no bearings, fans or powered components, so the fitting adds no noise to the system. Stainless steel construction resists external corrosion and does not degrade under UV exposure. Power draw is zero because the part is entirely passive.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $39.99
Pricier than about 76% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameZoro Select

Questions about this item

Will the 1-1/2" NPT threads on this 316 stainless coupler seal reliably against the brass fittings already on my tank?

The coupler uses 1-1/2"-11 1/2 NPT male threads, a standard taper thread that mates with any matching female NPT port regardless of the other fitting's metal.

How can I confirm the nitrile gasket is seated correctly after I cam-lock the arms?

With the locking arms engaged, the gasket should be fully compressed and invisible at the joint; a quick 70 F water test at up to 250 psi will show zero leakage if the seal is sound.

Does the box include the nitrile gasket and locking arms, or must I order them separately?

The coupler ships with the nitrile gasket installed and the locking arms already attached, so no extra parts are required for immediate use.

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