Brass Fittings

Brass Reducing Sockets

Brass Reducing Sockets

A brass reducing socket is a brass fitting with two female-threaded ends that joins two male-threaded pipes or parts of different sizes in a straight line.

It is used in water lines where the size changes, between a valve and a pipe of a different size and at device outlets. Sizes and stock vary by model.

2 × femaleends of different sizes
Straight lineaxial size transition
PN16nominal pressure (similar manufacturer sheet)
160 °Cmax. temperature (similar manufacturer sheet)

Main Applications

  • Transitions in water lines where the size changes
  • Connecting a valve to a pipe of a different size
  • Size reduction at device outlets
  • Equipment connections in compressed air lines
  • Size changes at combi boiler connections
  • Joining pipes of different sizes in renovations

Technical Data

Fitting typeReducing socket, two female-threaded ends
ThreadISO 228-1 G parallel female thread (depending on model)
SizesDepending on model, please ask
MaterialBrass CW617N (similar manufacturer sheet; depending on model)
Nominal pressurePN16 (similar manufacturer sheet)
Max. working temperature160 °C (similar manufacturer sheet)
SurfaceNatural brass
Male-female transitionWith a brass reducing bush
Equal-size typeWith a brass socket
InstallationWith thread sealing tape, hemp or sealant
ProductionMachined from bar or forged (depending on model)
MediaWater, heating water, compressed air

Material Options

PartBrassNickel-plated brassStainless (AISI 304)
BodyBrass CW617N (depending on model)Brass body, nickel plated (depending on model)AISI 304 stainless steel
SurfaceNatural brassNickel platingUncoated stainless
ThreadISO 228-1 G female thread, two sizes (depending on model)Depending on modelISO 7-1
Pressure ratingPN16, max. 160 °C (similar manufacturer sheet)Depending on model20 bar −20…+38 °C (ISO 4144)
Suitable mediaDomestic water, heating water, compressed airVisible fixture connectionsFood, chemicals, seawater

Which material? Reducing sockets are used for size transitions on brass lines; on galvanized or stainless lines a fitting of the same material should be chosen.

Advantages

Transition in One Piece

  • One body instead of a socket and reducer

Straight Line

  • The transition stays on the pipe axis

Easy Installation

  • Both ends female, screws on directly

No Rust

  • Brass body

Construction and Design Features

  • Two female-threaded ends of different sizes on the same axis
  • Stepped internal transition
  • Brass body (depending on model)
  • Installation without welding

Send the large and small size and the quantity; we will confirm the suitable reducing socket and stock.

How to Choose?

  1. Measure both sizesDetermine the sizes of the large and small male ends to be joined.
  2. Choose the fittingUse a reducing socket if both sides are male, a reducing bush if one side is a female port.
  3. Write the sizeGive the large size before the small size in the order.
  4. Confirm the mediumChoose brass for water, heating and air.

Complementary Products

Why ORFA?

Since 1985Over 40 years of experience in supplying industrial piping equipment.
Technical ConsultancyGuidance for brass reducing sockets on size transitions.
Delivery from StockStock and lead time for brass reducing sockets are confirmed quickly.
Spare PartsSealing and Insulation Tapes for size transitions from a single source.
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