The Reducer / Increaser: Male NPT × Female NPT Thread Reducer Fittings is a Thread Reducer Fitting from the Sealfast US industrial coupling range. Indus Hydraulics is an authorised Sealfast distributor in the UAE.
Configuration
- Coupling family: Thread Reducer Fitting
- Coupling type: Thread reducer (Male NPT × Female NPT, different sizes)
- End A: Male NPT taper thread (larger)
- End B: Female NPT taper thread (smaller)
Specifications
- Size range: Reductions: 1/2"→1/4", 3/4"→1/2", 1"→3/4", 1-1/4"→1", 2"→1-1/2"
- Materials available: 316 Stainless Steel, Brass, Carbon Steel
- Working pressure: Up to 1500 psi at room temperature
- Seal / gasket: PTFE tape or anaerobic thread sealant required
- Applicable standards: ANSI/ASME B1.20.1 (NPT)
Family context
Stainless-steel and brass thread reducers convert between BSP, NPT, and NPSM thread standards on instrument lines, sample lines, and low-pressure transfer assemblies. Used as inline adapters where the pipe-thread standard differs from the host-equipment standard.
How to order
Specify (a) the size, (b) the body material from the available options, and (c) any special seal / gasket requirements. Indus engineering will confirm the exact Sealfast part number on the RFQ. For Bauer couplings, specify the Bauer-standard size code (2", 3", 4", 5", 6", 8") and end configuration. For Dry Disconnect, specify the seal compound (Viton FKM for petroleum / fuel; PTFE for aggressive chemical) — selection drives the part number.
Companion products
Pair with matching cam-and-groove halves (specialty cam-and-groove), Bauer-standard mating couplings (Bauer Type), or matching dry-disconnect adapter/coupler (Dry Disconnect). Browse the Sealfast Couplings range for the full product family.