ALFACOM ENGINEERING LTD.
Stainless Steel Threaded Fittings — Class 150
Stainless steel fittings for industrial piping include elbows, tees, sockets, unions, nipples, reducers and plugs. Browse the Class 150 catalogue family and the associated weld-end components listed within it.
Stainless Steel Threaded Fittings — Class 150 · ALFACOM catalogue
THE PRODUCT RANGE
Explore the Range
Select a configuration below for English product guidance and its location in the technical catalogue. Match the exact end arrangement and dimensions to the application.
Product details and a drawing index are provided below. Confirm material grade, connection details and operating suitability for the requested item.
Street elbow 90°
Elbow 45°
Equal tee
Hex nipple
Socket iso4144
Socket Din 2986
Half socket iso4144
Half Socket Din 2986
Hex plug
Square plug
Hex cap
Round cap
Cross
Hose nipple
Nut
Union ff flat sealing
Union ff conical sealing
Union fm flat sealing
Union fm conical sealing
Butt welding union flat sealing
Butt welding union conical sealing
Hex bushing
Red. nipple
Reducer socket
Barrel nipple sch40
Barrel nipple sch20
Welding nipple sch40
Welding nipple sch20
90° Female-Thread Elbow
Connects two threaded pipe ends with a 90-degree change in direction. Specify the nominal size and required thread form, then check centre-to-end dimensions for installation.
Drawing and dimensions: catalogue page 8. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
90° Street Elbow
A male/female elbow for a 90-degree connection. Identify which pipe connection requires the male end and check the installed length against the drawing.
Drawing and dimensions: catalogue page 9. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
45° Female-Thread Elbow
Provides a 45-degree change in direction between threaded pipe ends. Select the connection size, thread form and dimensional configuration.
Drawing and dimensions: catalogue page 10. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Equal Tee
A three-way fitting with equal nominal connection sizes. Specify a reducing tee separately when the branch size differs from the run.
Drawing and dimensions: catalogue page 11. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Hex Nipple
A male-thread connector with a central hexagon for tool engagement. Match the thread size and form at both ends and check the overall length.
Drawing and dimensions: catalogue page 6. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Full Socket — ISO 4144
A female/female coupling using the ISO 4144 dimensional table in the catalogue. Select the nominal connection size and verify dimensions A and L.
Drawing and dimensions: catalogue page 3. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Full Socket — DIN 2986
A female/female coupling using the DIN 2986 dimensional table. Its outside dimensions and length can differ from the ISO 4144 version at the same nominal size.
Drawing and dimensions: catalogue page 3. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Half Socket — ISO 4144
A shorter female-thread socket using the catalogue's ISO 4144 table. Match the required installation geometry and end arrangement to the drawing.
Drawing and dimensions: catalogue page 3. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Half Socket — DIN 2986
A half socket using the DIN 2986 dimensional table. Specify this version explicitly rather than selecting by thread size alone.
Drawing and dimensions: catalogue page 3. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Hex Plug
A male-thread closure with a hexagonal head for tool engagement. Specify the thread size, thread form and sealing method for the application.
Drawing and dimensions: catalogue page 13. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Square Plug
A male-thread closure with a square head. Check the required engagement and clearance as well as the thread and material specification.
Drawing and dimensions: catalogue page 12. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Hex Cap
A female-thread end closure with hexagonal tool engagement. Match its thread to the pipe end and confirm the sealing arrangement.
Drawing and dimensions: catalogue page 13. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Round Cap
A female-thread end closure in the round-cap configuration shown in the catalogue. Verify the dimensions and installation method for the selected size.
Drawing and dimensions: catalogue page 14. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Cross
A four-way fitting for intersecting threaded branches. Specify all connection sizes and check the centre-to-end geometry against the piping layout.
Drawing and dimensions: catalogue page 12. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Hose Nipple
Connects a threaded port to a hose tail. Select the pipe thread and hose connection separately, and match the hose retention arrangement to the complete assembly.
Drawing and dimensions: catalogue page 8. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Hex Nut
A threaded hex nut in the fittings catalogue. Check its intended retaining arrangement, thread form and thickness against the drawing.
Drawing and dimensions: catalogue page 4. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
F/F Flat-Sealing Union
A detachable union with two female-thread pipe connections. The catalogue's corresponding flat-sealing configuration uses a PTFE seal; confirm the supplied seal and service compatibility.
Drawing and dimensions: catalogue page 15. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
F/F Conical-Sealing Union
A detachable union with two female-thread pipe connections and a conical sealing interface. Specify the conical version and match the mating union components.
Drawing and dimensions: catalogue page 14. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
M/F Flat-Sealing Union
A detachable union with one male- and one female-thread pipe connection. Refer to the PTFE-sealing configuration and confirm the seal, thread form and orientation.
Drawing and dimensions: catalogue page 16. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
M/F Conical-Sealing Union
A detachable union with male/female pipe connections and a conical sealing interface. Confirm connection orientation and installed length.
Drawing and dimensions: catalogue page 15. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Butt-Weld Flat-Sealing Union
A detachable union with butt-weld ends and the PTFE-sealing configuration shown in the catalogue. Specify weld-end outside diameter and wall thickness as well as the seal.
Drawing and dimensions: catalogue page 17. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Butt-Weld Conical-Sealing Union
A detachable union with butt-weld ends and a conical sealing interface. Match the weld-end geometry to the pipe and identify the exact catalogue version.
Drawing and dimensions: catalogue page 16. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Hex Bushing
A male/female reducing fitting with hexagonal tool engagement. State the external and internal thread sizes in the correct order.
Drawing and dimensions: catalogue page 7. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Reducing Nipple
A male/male connector between different nominal thread sizes. State both sizes and verify the thread form and overall length against the reducing-nipple drawing.
Drawing and dimensions: catalogue page 6. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Reducing Socket
A female/female coupling between different nominal thread sizes. State both sizes and check the overall length and outside dimensions.
Drawing and dimensions: catalogue page 4. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Barrel Nipple — Sch 40
A pipe nipple threaded at both ends (TBE) in the Sch 40 version. Specify nominal size, overall length, pipe material and thread form.
Drawing and dimensions: catalogue page 5. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Barrel Nipple — Sch 20
A pipe nipple threaded at both ends (TBE) in the Sch 20 version. Match the required wall and length to the pipe specification.
Drawing and dimensions: catalogue page 5. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Welding Nipple — Sch 40
A nipple threaded at one end (TOE), with the opposite end for the specified welded connection. Select the Sch 40 wall, overall length and end preparation.
Drawing and dimensions: catalogue page 5. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Welding Nipple — Sch 20
A nipple threaded at one end (TOE) in the Sch 20 version. Confirm the plain-end geometry, weld preparation and connection requirements.
Drawing and dimensions: catalogue page 5. Specify stainless grade, nominal connection sizes, thread form where applicable, quantity and operating conditions.
Open the catalogue and drawing index → · Request a quotation →
Class 150 Stainless Steel Fittings — Drawing Index
Use the ALFAMATIC catalogue to identify the exact geometry. ISO 4144 and DIN 2986 dimensional versions are listed separately where applicable. Select the union end arrangement and flat/PTFE or conical sealing configuration explicitly.
Class 150 is a class designation, not a universal allowable working pressure. Sch 20 and Sch 40 identify pipe wall series for the listed nipples. Confirm the actual material, temperature, applicable standard and supplied configuration before establishing service limits.
APPLICATION BEFORE SPECIFICATION
Selection Starts with Your Application
Specify every end size, male or female connection, thread type and standard, stainless steel grade, operating pressure and temperature. For weld-end items include pipe wall thickness and weld requirements. Confirm the actual component rating and service suitability.
Catalogue & Technical Documents
Review the model-specific technical information and installation requirements. Send a specification, drawing or existing model reference if you need help selecting equipment.
Discuss Your Application
Send your requirements or a photo of the existing equipment for technical assistance and a quotation.
Availability and lead time are confirmed for the requested model and quantity.