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€3.17
Reducing Coupling 1/2" × 3/8" Galvanized Malleable Iron
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Description
Reducing Coupling 1/2" × 3/8" Galvanized Malleable Iron
- Size: 1/2" × 3/8"
- 1/2" thread diameter: 18.6–19.0 mm
- 3/8" thread diameter: 14.9–15.4 mm
- Female threads
- Material: Malleable iron
- Finish: Hot-dip galvanized
- Other designations: PN, EN, ISO: N3 / 240 / M2red
- Applications: Hydraulic installations, industrial systems, central heating, water supply systems
Alternative Name
Reducing Coupling 1/2" × 3/8" Galvanized Malleable Iron, Galvanized Reducing Coupling, Female Thread Reducer, Cast Iron Reducing Coupling, BSP Female Adapter, Water Pipe Coupling
Information
The 1/2" × 3/8" galvanized reducing coupling is manufactured from malleable iron and is designed for reducing threaded pipe connections in water, heating, and industrial installations. It features female threads on both ends, providing a durable and reliable threaded connection.
Galvanized malleable iron fittings are widely used in industrial applications thanks to their durability, competitive cost, and excellent availability. They are suitable for installations with moderate operating requirements, including cold and hot water systems.
Material
The fitting is manufactured from malleable iron and protected with a hot-dip galvanized coating, which provides effective resistance against corrosion and atmospheric conditions.
Technical Specifications
- Maximum working pressure: 25 bar at operating temperatures from -20°C to +120°C
- Maximum working pressure: 20–25 bar at operating temperatures from -20°C to +300°C
- Manufactured according to EN 10242
The fitting features:
- External tapered threads: R
- Internal parallel threads: Rp
Both thread types comply with ISO 7-1.
Advantages
- Hot-dip galvanized finish
- Excellent corrosion resistance
- Female threaded connection
- Durable malleable iron construction
- Cost-effective solution
- Manufactured according to EN 10242
Applications
Hydraulic installations, industrial systems, central heating installations, cold and hot water systems, and general plumbing applications.
Available Sizes
- 1/8"
- 1/4"
- 3/8"
- 1/2"
- 3/4"
- 1"
- 1 1/4"
- 1 1/2"
- 2"
- 2 1/2"
- 3"
- 4"
Product Range
The galvanized malleable iron fittings range includes:
- Elbows
- Reducing elbows
- Tees
- Reducing tees
- Reducers
- Short bends
- Long bends
- Couplings
- Reducing couplings
- Caps
- Plugs with flange
- Plugs without flange
- T9 plugs
- Unions with female threads
- Male unions
- Gasket unions
- Conical unions
- Straight nipples
- Reducing nipples
We also offer black malleable iron fittings without galvanized coating.
We also offer a wide range of malleable iron fittings. If you have any questions, please contact us. Call +48 63 261 42 02 or email biuro@polberis.pl.
Learn more about our reducing couplings here >>
Technical data
| Coupling Type | Reducing Coupling |
| Material | Cast Iron |
| Pressure | Pressure Range < 20 bar |
| Connection 1 | 1/2'' |
| Thread Type – Connection 1 | BSP / G / Rp / Rc Thread |
| Connection 2 | 3/8'' |
| Thread Type – Connection 2 | BSP / G / Rp / Rc Thread |
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Reducing Coupling 3/4" × 1/4" Galvanized Malleable Iron
Reducing Coupling 1" × 3/8" Galvanized Malleable Iron
Reducing Coupling 1" × 1/2" Galvanized Malleable Iron
Reducing Coupling 1" × 3/4" Galvanized Malleable Iron
Reducing Coupling 1 1/4" × 1/2" Galvanized Malleable Iron
Reducing Coupling 1 1/4" × 3/4" Galvanized Malleable Iron
Reducing Coupling 1 1/4" × 1" Galvanized Malleable Iron
Reducing Coupling 1 1/2" × 3/4" Galvanized Malleable Iron
Reducing Coupling 1 1/2" × 1" Galvanized Malleable Iron
Reducing Coupling 1 1/2" × 1 1/4" Galvanized Malleable Iron
Reducing Coupling 2" × 1/2" Galvanized Malleable Iron
Reducing Coupling 2" × 3/4" Galvanized Malleable Iron
Reducing Coupling 2" × 1" Galvanized Malleable Iron
Reducing Coupling 2" × 1 1/4" Galvanized Malleable Iron
Reducing Coupling 2" × 1 1/2" Galvanized Malleable Iron
Reducing Coupling 2 1/2" × 1 1/4" Galvanized Malleable Iron
Reducing Coupling 2 1/2" × 1 1/2" Galvanized Malleable Iron
Reducing Coupling 2 1/2" × 2" Galvanized Malleable Iron
Reducing Coupling 3" × 1 1/2" Galvanized Malleable Iron
Reducing Coupling 3" × 2" Galvanized Malleable Iron
Reducing Coupling 3" × 2 1/2" Galvanized Malleable Iron
Reducing Coupling 4" × 2" Galvanized Malleable Iron
Reducing Coupling 4" × 2 1/2" Galvanized Malleable Iron
Reducing Coupling 4" × 3" Galvanized Malleable Iron
Coupling 1'' BSP A350 LF2 cl.3000
- high pressure coupling
- certificate 3.1
- orgin: European Union
Coupling 1/2'' BSP A350 LF2 cl.3000
Coupling 3/4'' BSP A350 LF2 cl.3000
- high pressure coupling
- certificate 3.1
- orgin: European Union
Coupling 1/4'' BSP A350 LF2 cl.3000
- high pressure coupling
- certificate 3.1
- orgin: European Union
Coupling 1/4'' x 1/8'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3/8'' x 1/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1/2'' x 1/8'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1/2'' x 1/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1/2'' x 3/8'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3/4'' x 1/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3/4'' x 3/8'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3/4'' x 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1'' x 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1'' x 3/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1 1/4'' x 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1 1/4'' x 3/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1 1/4'' x 1'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1 1/2'' x 3/4'' stainless steel 316 BSP
- stal nierdzewna gat. 316
Coupling 1 1/2'' x 1'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1 1/2'' x 1 1/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 2'' x 1'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 2'' x 1 1/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 2'' x 1 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 2 1/2'' x 2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 2 1/2'' x 1 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3'' x 2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3'' x 2 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 4'' x 3'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1/4'' BSP A105 cl.3000
- high pressure coupling
- certificate 3.1
Coupling 2 1/2'' NPT A105 cl.3000
- steel for welding
- certificate 3.1 (free of charge)
- origin: European Union
Coupling 1 1/4'' BSP A105 cl.3000
- high pressure coupling
- certificate 3.1
Reduction coupling 1 1/4" x 1 1/2'' NPT 3000 A105
Coupling 1 1/2'' BSP 316L cl.3000 206bar
- high-pressure coupling
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Coupling 1 1/4'' BSP 316L cl.3000 206bar
- high-pressure coupling
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Coupling 1 1/4'' BSP 206bar 304L
- high pressure coupling
- certificate 3.1
- orgin: European Union
Coupling 1" NPT Class 6000 (413 bar) Stainless Steel 316L (1.4404)
- pressure class: 6,000 lbs (i.e., 413 bar)
- 3.1 certification
- origin: European Union
Reducing coupling 3/4''- 1'' BSP steel
- steel coupling
Coupling 3/8" BSPT Class 3000 ASTM A105
- boiler steel for welding
- BSPT tapered thread (per ISO 7Rc)
- for high pressure up to 206 bar
- 3.1 certificate
Steel reduction coupling 1/4''x1/2'' NPT
Coupling 1 1/4'' steel for welding
Coupling 2 1/2'' 316L NPT cl.3000
- certificate 3.1
- orgin: European Union
Reduction coupling 1/2'' x 3/4'' NPT cl.3000 A105
Coupling 1/2'' BSP stainless steel 316
Reduction coupling 2'' x 1'' NPT 3000 A105
Coupling 1/4'' x 1'' NPT 316L cl.3000
- High-Pressure coupling
- Certificate 3.1
Coupling 3/4" socket weld 316L cl.3000
- mufa do spawania
- atest 3.1
- pochodzenie: Unia Europejska
Coupling 1/2'' x 1'' NPT 316L cl.3000
- High-Pressure coupling
- Certificate 3.1
Coupling 1/2'' x 1'' BSP cl.3000 A105 steel
- gwint standardowy polski BSP (inna nazwa G, Rp, walcowy prosty)
- atest 3.1
- pochodzenie: Unia Europejska
Coupling 2'' steel for welding
Reducing Coupling 1/2" × 1/4" BSP Class 3000 ASTM A105
-
Polish standard thread (BSP)
Coupling 2''- 3'' socket weld A105 cl.3000
- mufa do spawania
- łącznik do spawania rur
- atest 3.1
Coupling 1/8'' BSP stainless steel 316
Coupling 1/4'' BSP stainless steel 316
Coupling 3/8'' BSP stainless steel 316
Coupling 3/4'' BSP stainless steel 316
Coupling 1'' BSP stainless steel 316
Coupling 1 1/4'' BSP stainless steel 316
Coupling 2'' BSP stainless steel 316
Coupling 2 1/2'' BSP stainless steel 316
Coupling 3'' BSP stainless steel 316
Coupling 4'' BSP stainless steel 316
Coupling 2'' NPT 321 cl.3000
- mufa wysokociśnieniowa (206bar)
- atest 3.1
Coupling 1'' NPT 321 cl.3000
- mufa wysokociśnieniowa (206bar)
- atest 3.1
Plug 1/4'' BSP 316L Stainless Steel
- High-pressure plug
- 3.1 material certificate available on request (free of charge)
Coupling 1/2" BSPT Class 3000 ASTM A105
- boiler steel for welding
- BSPT tapered thread (per ISO 7Rc)
- for high pressure up to 206 bar
- 3.1 certificate
Nipple 1/2'' galvanized cast iron
Steel nipple 1/2'' BSP - NPT
Reduction nipple 1/2''- M30x2 connector
- nypel stalowy
Steel reduction nipple 1/2'' - M14x1,5
- nypel stalowy
Pipe nipple 1/2'' BSPT Rc 100mm A106
Union 3/8'' galvanized cast iron F-F
Nipple 3/8''x1/8'' galvanized cast iron
- nypel żeliwny ocynkowany
Angle union 3/8'' galvanized cast iron F-F
- żeliwo ocynkowane
Nipple 3/8''x1/4'' galvanized cast iron
- nypel żeliwny ocynkowany
Nipple 3/4''x3/8'' galvanized cast iron
- nypel żeliwny ocynkowany
Cast iron elbow 3/8'' 45 deg
Cast iron tee 1'' x 3/8''
Cast iron tee 3/8''
Cap 3/8" galvanized cast iron
- hexagonal cap
- model T1 / nr 43 / nr 300
Cross 3/8'' galvanized cast iron
Extension 3/4''x3/8'' galvanized cast iron reduction
- żeliwo ocynkowane
Cast iron plug 3/8''
Extension 3/8''x1/4'' galvanized cast iron reduction
- żeliwo ocynkowane
Extension 1/2''x3/8'' galvanized cast iron reduction
- żeliwo ocynkowane
Cast iron elbow 3/8'' 90 deg
- inna nazwa: nr 6 / kod 90
- numer PN / ISO: A1
Reduction 1''x3/8'' galvanized cast iron screw-on
Cast iron tee 1/2'' x 3/8''
Angle union 3/8'' galvanized cast iron F-M
- galvanized cast iron
Reduction 3/4''x3/8'' galvanized cast iron screw-on
Reduction 3/8''x1/8'' 316 nut-screw
- stal nierdzewna
Steel tee 3/8” male fitting
- material: steel
Steel reduction nipple 3/8'' - M20x1,5
Stainless union 3/8'' BSP
- material: stainless steel 316
Stainless nipple 3/8'' 316
- nipple 3/8'' stainless
Tee 3/8'' steel male female
- thread type: BSP (standard thread, otherwise known as cylindrical, straight, Rp, G)
- material: steel
Steel tee 3/8'' MMF
- BSP thread type (i.e., standard Polish, also known as cylindrical, straight, pipe, inch, Rp, G)
- steel tee ZZW
Steel reduction nipple 3/8'' - M14x1.5 connector
Steel nipple 3/8'' - M18x1,5
Washer metal rubber 3/8''
- podkładka MET-GUM
- uszczelka metalowa z gumką
Steel nipple 3/8" BSP G
- steel adapter
Nipple 3/8'' - M22x1,5 connector
- nypel stalowy wysokociśnieniowy
Stainless steel 3/8'' x 1/8'' 316
- złączka gwintowana nierdzewna
Stainless steel nipple 3/4'' x 3/8'' 316
- złączka gwintowana nierdzewna
Weld-on pipe nipple 3/8'' 316L
Stainless pipe nipple 3/8'' 100mm
Cap 3/8'' BSP A105 206bar
- pressure rating: 3000 lbs (206,9 bar) / 6000 lbs
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Stainless pipe nipple 3/8'' 40mm
Stainless tee 3/8" 316L
Union 3/8'' BSP A105 cl. 3000
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Check Valve 3/8'' Brass 25 bar
Steel pipe nipple 3/8'' 100mm
Stainless elbow 3/8'' 316
Plug 3/8'' BSP Stainless Steel 316
Cap 3/8'' stainless steel 316
- material: stainless steel 316
- certificate 3.1 at the request of the customer (free of charge)
Plug 3/8'' steel cap
Steel reduction 7/8'' UNF JIC -3/8'' BSP
- złączka wysokociśnieniowa
- stal galwanizowana
Steel hose-end fitting 13mm 3/8''
Steel reduction nipple 3/4'' x 3/8'' cone 60 degrees
- stożek wewnętrzny (doszczelnienie 60 stopni)
- złączka wysokociśnieniowa
Steel reduction nipple 3/8'' - M14x1,5
- nypel stalowy
Nipple 3/8'' BSP A105 cl.3000
Steel reduction nipple 3/8'' - M12x1,5 connector
Steel plug 3/8'' 60 degree seal
- Steel Plug
- Thread Type: BSP (i.e., standard Polish, also known as cylindrical straight, pipe, Rp, G)
Reduction M16x1,5 - 3/8'' external internal thread
- stal galwanizowana
- redukcja wysokociśnieniowa
Plug 3/8'' BSP A105 Class 3000
Steel nipple 3/8'' BSP - 3/4'' UNF JIC fitting
- średnica gwintu A: 3/8'' wynosi: 16,3 ÷ 16,6mm
- uszczelnienie A: stożek wewnętrzny 60 stopni
- średnica gwintu B: 3/4'' wynosi: 18,7 ÷ 19mm
Screw-on reduction 3/8'' - 3/8''
Hose-end fitting 3/8'' x 6mm brass
Hose-end fitting 3/8'' x 11mm brass
Hose-end fitting 3/8'' x 13mm brass
Screw-in galvanized steel reduction 5/8''-3/4''
Gasket ED WD 3/8'' for steel fittings
Screw-in steel reduction 1/4'' - 3/8''
Nipple stainless elbow 3/8'' 316 male female
Reduction 3/8''x1/4'' 316 nut-screw
- stal nierdzewna
Reduction 3/4''x3/8'' 316 nut-screw
- stal nierdzewna
Stainless ball valve 3/8" 316 40bar
Hose-end fitting 3/8" x 10mm brass nipple
Hose-end fitting 3/8" x 13mm brass nipple
Hose-end fitting 3/8'' x 9mm brass
Stainless steel nipple 1'' x 3/8'' 316
- złączka gwintowana nierdzewna
Stainless steel nipple 3/8'' x 1/4'' 316
- złączka gwintowana nierdzewna
Hose-end fitting 3/8'' x 9mm stainless steel
- stal szlachetna 316
Hose-end fitting 3/8'' x 10mm stainless steel
- stal szlachetna 316
Hose-end fitting 3/8'' x 11mm stainless steel
- stainless steel 316
Hose-end fitting 3/8'' x 13mm stainless steel
- stainless steel 316
Hose-end fitting 3/8'' x 16mm stainless steel
- stainless steel 316
Ball valve 3/8" 316 50bar male female
- stainless steel
- pressure: 50 bar
Ball Valve 3/8" Brass Male × Female 25 Bar
Reduction nipple 1/4'' x 3/8'' cone 60 degrees
- stożek wewnętrzny (doszczelnienie 60 stopni)
- złączka wysokociśnieniowa
Ball valve 3/8'' brass for water 25 bar
Stainless nipple union 3/8" BSP
Union 3/8'' BSP M-F 316L cl.3000
- uszczelnienie: stożkowe (metal-metal)
- gatunek: 316L (1.4404)
- gwint: wewnętrzno - zewnętrzny
- towar z atestem 3.1
Nipple ball valve 3/8''
Cast iron tee 1'' x 1/2'' x 1/2''
Angle union 1/2'' galvanized cast iron F-F
- żeliwo ocynkowane
Cast iron tee 1/2'' x 1/4''
Cast iron elbow 1/2'' 45 deg
Cast iron elbow 1'' x 1/2'' 90 deg
Cap 1/2" galvanized cast iron
- hexagonal cap
- model T1 / nr 43 / nr 300
Cast iron tee 1/2''
Nipple 1/2''x1/4'' galvanized cast iron
- nypel żeliwny ocynkowany
Cast iron tee 1'' x 1'' x 1/2''
Extension 1/2''x1/4'' galvanized cast iron reduction
- żeliwo ocynkowane
Cast iron tee 3/4'' x 1/2''
Cast iron tee 1/2'' x 3/4''
Cast iron tee 3/4'' x 1/2''
Cast iron elbow 1/4'' x 1/2'' 90 deg
Cast iron elbow 1/2'' x 3/8'' 90 deg
Angle union 1/2'' galvanized cast iron F-M
- żeliwo ocynkowane
Extension 1/2'' galvanized cast iron reduction
- żeliwo ocynkowane
Extension 1''x1/2'' galvanized cast iron reduction
- żeliwo ocynkowane
Extension 1 1/4''x1/2'' galvanized cast iron reduction
- żeliwo ocynkowane
Short bend 1/2'' cast iron 90deg
- inna nazwa: nr 2a
- numer PN / ISO: D1
Extension 3/4''x1/2'' galvanized cast iron reduction
- żeliwo ocynkowane
Nipple union 1/2'' sealing cone
Nipple union 3/8'' sealing cone
Cast iron tee 3/4'' x 1/2''
Cast iron plug 1/2''
- korek z kwadratem na klucz
- model: T9 / nr 46 / nr 290
Cast iron elbow 1/2'' 90 deg
Reduction 1 1/4''x1/2'' galvanized cast iron screw-on
cast iron corner tee 1/2''
Long Elbow 1/2" Galvanized Cast Iron 90° Male × Female
Cast iron tee 1 1/2'' x 1/2''
Cast iron tee 2'' x 1/2''
Cast iron tee 1'' x 1/2''
Cast iron tee 1/2'' x 1''
Male Union 1/2" with Gasket
Pipe nipple 1'' NPT 150mm gat. A333
Coupling 2 1/2'' steel for welding
Coupling 2'' BSP 206bar 304L
- high pressure coupling
- certificate 3.1
- orgin: European Union
Coupling 2" socket weld A105 cl.3000
Coupling 2 1/2" BSPT Class 3000 ASTM A105
- boiler steel for welding
- BSPT tapered thread (per ISO 7Rc)
- for high pressure up to 206 bar
- 3.1 certificate


