Brass Manifolds for Pipes

We are one of the leading manufacturers, suppliers and exporters of Brass Manifolds for Pipes from India. We have been supplying Brass pipe manifolds and Brass multi-port distribution blocks to the world market for 3 decades. Brass pipe manifolds are precision-machined multi-outlet fluid distribution components, designed to distribute a single main pipe supply to multiple branch circuits — or to collect multiple branch flows into a single main outlet — using threaded BSP, NPT, or metric connections. Manufactured from high-quality Free-Cutting Brass (CW614N / C36000), Naval Brass, and Dezincification-Resistant Brass (DZR — CW602N), our Brass manifolds offer excellent corrosion resistance, high pressure ratings, long service life, and ease of installation across water supply, heating, cooling, compressed air, gas distribution, and HVAC applications. We are ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certified, and our Brass pipe manifolds are exported to customers in the USA, UK, Germany, Australia, Canada, UAE, and across Europe and Asia, serving plumbing equipment manufacturers, HVAC system builders, heating contractors, compressed air OEMs, LPG gas distributors, and irrigation system suppliers.
Our Brass pipe manifolds are available in standard configurations — 2-outlet to 12-outlet, with ½” BSP to 1½” BSP inlet and ¼” to 1″ BSP outlets — as well as fully customised designs based on customer drawings, 3D models, or sample parts. We also produce heating and underfloor heating manifolds, compressed air distribution manifolds, LPG gas manifolds, water zone manifolds for HVAC, and custom multi-port blocks. With a 4–6 week standard turnaround, in-house CNC machining, and a dedicated engineering team, we deliver precision Brass manifolds that consistently meet international dimensional and material standards.
Sub-categories: Brass water manifolds, Brass heating manifolds, Brass compressed air manifolds, Brass LPG gas manifolds, Brass zone distribution manifolds, Brass underfloor heating manifolds, Brass multi-port pipe blocks, Brass HVAC manifolds, custom Brass pipe manifolds, Brass balancing manifolds
Material Grades — Brass Manifolds for Pipes
| Standard | Grade / Designation | Composition | Key Properties |
|---|---|---|---|
| ASTM (USA) | C36000 (Free-Cutting Brass) | Cu 61.5%, Zn 35.5%, Pb 3% | Excellent machinability, standard manifold grade |
| ASTM (USA) | C46400 (Naval Brass) | Cu 60%, Zn 39.2%, Sn 0.8% | Enhanced dezincification resistance, marine use |
| ASTM (USA) | C27400 (Yellow Brass) | Cu 63–68.5%, Zn 30–37% | Good formability, lower lead content |
| BS (UK) | BS EN 12164 CW614N | Cu 58%, Zn 39%, Pb 3% | European free-cutting Brass standard |
| BS (UK) | BS EN 12164 CW602N (DZR) | Cu 63%, Zn 36%, As 0.06% | DZR Brass — UK water regulations compliant |
| DIN (Germany) | DIN EN 12164 CuZn40Pb2 | Cu 58%, Zn 40%, Pb 2% | German machining Brass |
| DIN (Germany) | DIN EN 12164 CuZn36Pb2As (DZR) | Cu 63%, Zn 36%, Pb 2%, As 0.04% | German DZR Brass for water distribution |
| IS (India) | IS 319 Type 1 | Cu 60–63%, Pb 2.5–3.5% | Indian free-cutting Brass for machined parts |
| JIS (Japan) | JIS H 3250 C3604B | Cu 59%, Zn 38%, Pb 3% | Japanese machining Brass |
| GB (China) | GB/T 4423 HPb59-1 | Cu 59%, Pb 1%, Zn balance | Chinese machining Brass |
Material Properties — CW614N / C36000 Brass (Standard Manifold Grade)
| Property | Value |
|---|---|
| Tensile Strength | 380–440 MPa |
| Yield Strength | 200–280 MPa |
| Elongation | 15–25% |
| Hardness | 80–105 HB |
| Density | 8.47 g/cm³ |
| Thermal Conductivity | 120 W/m·K |
| Max. Working Temperature | 150°C (standard service) |
| Corrosion Resistance | Good in fresh water, heating systems, compressed air |
| Machinability Rating | 100% (benchmark material) |
Manufacturing Processes
Brass pipe manifolds are manufactured primarily by precision CNC machining from solid Brass billet or extruded Brass bar and block stock. This billet-machined approach ensures freedom from casting porosity, consistent wall thickness, and tight dimensional tolerances on port locations, thread forms, and body profiles. The process begins with incoming material spectrometer verification, followed by sawing and pre-machining of the Brass blank, precision CNC machining of the manifold body (O.D., length, port boss faces), deep-bore drilling of the main flow channel, port drilling and thread tapping at precise angular and linear positions, deburring of all cross-holes and thread entries, pressure testing (hydrostatic or pneumatic), and surface treatment — nickel plating, chrome plating, or natural Brass as specified.
For high-volume standard manifold designs, hot forging of near-net-shape Brass blanks followed by CNC machining is also employed — this is common for plumbing water zone manifolds where the same configuration is produced in large quantities. Hot-forged manifold blanks have excellent mechanical properties and a dense, void-free structure ideal for pressure service. Investment casting (lost wax) is used for complex shaped manifolds with multiple inlet/outlet orientations that are difficult to achieve by machining alone.
Machinery Used
| Machine Type | Purpose |
|---|---|
| CNC Machining Centres (3-axis, 4-axis) | Main flow bore, port drilling, thread tapping, face machining |
| CNC Turning Centres | Round manifold profiles, turned O.D. and port faces |
| Deep Hole Drilling Machines | Main flow channel drilling in long manifolds |
| Hydraulic Forging Presses (250T–1000T) | Hot forging of standard plumbing manifold blanks |
| Thread Tapping Machines (CNC, pneumatic) | BSP, NPT, metric port threads |
| Electroplating Lines (Ni, Cr) | Nickel and chrome plating for finish and corrosion protection |
| Hydrostatic / Pneumatic Test Benches | Leak testing to 1.5× working pressure |
| CMM (Coordinate Measuring Machine) | Port location, depth, thread form verification |
| OES Spectrometer | Alloy grade verification per production lot |
Typical Parts Produced
Our Brass pipe manifold range includes: BSP and NPT threaded Brass distribution manifolds (2-port to 12-port), Brass hot and cold water zone manifolds for plumbing systems, Brass heating zone manifolds for radiator circuits, Brass underfloor heating distribution manifolds with balancing valves, Brass compressed air distribution manifolds, Brass LPG and natural gas distribution headers, Brass irrigation zone manifolds for drip and sprinkler systems, Brass multi-zone HVAC chilled water distribution manifolds, Brass gang manifolds for pneumatic cylinders and solenoid valves, and custom-designed Brass manifolds produced to customer P&ID diagrams, 3D models, or drawings. Balancing valves, isolating valves, flow meters, and temperature gauges can be integrated into the manifold body on request.
Dimensional Chart — Standard Brass Pipe Distribution Manifolds (BSP)
| Inlet Size | Outlet Size | No. of Outlets | Centre-to-Centre Spacing (mm) | Overall Length (mm) | Body Diameter / Height (mm) | Max. Pressure (bar) |
|---|---|---|---|---|---|---|
| 1/2″ BSP (F) | 1/4″ BSP (F) ×3 | 3 | 30 | 105 | 32 | 25 |
| 1/2″ BSP (F) | 1/4″ BSP (F) ×4 | 4 | 30 | 135 | 32 | 25 |
| 3/4″ BSP (M) | 1/2″ BSP (F) ×4 | 4 | 40 | 175 | 40 | 25 |
| 3/4″ BSP (M) | 1/2″ BSP (F) ×6 | 6 | 40 | 255 | 40 | 25 |
| 1″ BSP (M) | 1/2″ BSP (F) ×6 | 6 | 45 | 285 | 50 | 25 |
| 1″ BSP (M) | 3/4″ BSP (F) ×6 | 6 | 50 | 315 | 50 | 25 |
| 1″ BSP (M) | 1/2″ BSP (F) ×8 | 8 | 45 | 375 | 50 | 25 |
| 1-1/4″ BSP (M) | 3/4″ BSP (F) ×8 | 8 | 55 | 455 | 60 | 20 |
| 1-1/2″ BSP (M) | 1″ BSP (F) ×8 | 8 | 60 | 495 | 70 | 20 |
| 1-1/2″ BSP (M) | 1″ BSP (F) ×10 | 10 | 60 | 615 | 70 | 20 |
F = Female threaded port, M = Male threaded spigot. Custom port counts, non-standard spacings, mixed thread forms, and non-round (rectangular block) body profiles are available per customer drawings. Pressure ratings are for CW614N Brass at ambient temperature for water service. Ratings may vary for other media — consult us for specific applications.
Surface Finish and Plating Options
| Finish | Description | Application |
|---|---|---|
| Natural Brass (as-machined) | Bright golden-yellow Brass surface | Standard plumbing, HVAC, compressed air |
| Electroless Nickel Plating | 5–25 µm uniform nickel coat | Improved corrosion resistance, chemical service |
| Electrolytic Nickel Plating | 10–15 µm bright nickel | Decorative, OEM aesthetic requirements |
| Chrome Plating (decorative) | Bright chrome over nickel base | Visible plumbing, architectural fittings |
| Tin Plating | 5–10 µm tin over Brass | Potable water, food contact, medical gas |
| Chrome Passivation | Clear chromate treatment | Extended shelf life, mild corrosion protection |
International Standards for Brass Pipe Manifolds
Our Brass pipe manifolds are manufactured and tested in accordance with the following international standards: ISO 228-1 (BSPP pipe thread form and tolerances), ISO 7-1 / EN 10226-1 (BSPT taper pipe thread), ANSI/ASME B1.20.1 (NPT thread form), BS 143 & BS 1256 (Malleable cast iron and cast copper alloy threaded fittings — adapted for Brass manifolds), WRAS (Water Regulations Advisory Scheme) compliance for UK potable water manifolds, DVGW W270 (German standard for materials in potable water contact), KTW / ACS (European potable water contact standards for Germany and France), IS 778 (Copper alloy gate, globe and check valves — used as reference for Indian standards), ASTM B16 (Free-cutting Brass rod and bar), and EN 12164 (Wrought Copper alloys — Rods for free machining purposes).
Industries Using Brass Pipe Manifolds
The plumbing and water supply industry is the largest user of Brass pipe manifolds, relying on them to distribute domestic cold and hot water supplies to multiple fixtures (bathrooms, kitchens, wash basins) from a central supply point in residential and commercial buildings. The heating industry uses Brass heating zone manifolds to distribute hot water from a boiler to multiple radiator circuits or underfloor heating loops, with balancing valves enabling flow adjustment in each circuit. Compressed air systems in factories, workshops, and service centres use Brass manifolds to distribute air from a compressor to multiple pneumatic tools, cylinders, and air preparation units. LPG and natural gas supply systems use Brass gas manifolds to distribute gas from a main regulator to multiple burners, appliances, or laboratory gas outlets. HVAC systems, chilled water distribution, medical gas piping (oxygen, medical air, nitrous oxide), irrigation systems, firefighting and suppression systems, laboratory gas distribution, and chemical process industries all rely extensively on Brass pipe manifolds for reliable, corrosion-resistant, long-life fluid distribution.
Tolerances
| Parameter | Tolerance | Reference |
|---|---|---|
| Thread form (BSP/NPT) | ISO 228-1 / ASME B1.20.1 Class 2 | Go/No-Go gauged per lot |
| Port centre-to-centre spacing | ±0.2 mm (standard), ±0.1 mm (precision) | CMM / in-process gauge |
| Overall manifold length | ±0.3 mm (up to 300 mm) | CNC controlled |
| Port depth | +0.5 / −0 mm | CNC controlled |
| Port squareness (perpendicularity to face) | 0.2 mm per port | CMM verified |
| Surface roughness (port bore) | Ra ≤ 3.2 µm | ISO 1302 |
| Pressure test (leak) | 1.5× working pressure for 1 min. minimum | Per design specification |
Turnaround Time
Standard Brass pipe manifolds in common configurations (4-outlet to 8-outlet, ½” BSP inlet with ¼”–½” BSP outlets) are typically shipped within 4–6 weeks from order confirmation and receipt of advance payment. Custom-designed manifolds — with non-standard port counts, special body profiles, integral valve pockets, or non-standard alloys — are typically completed in 6–8 weeks. Prototype samples for first-article approval are dispatched within 2–3 weeks. Our production planning team provides milestone updates throughout the production process, and pre-shipment dimensional inspection reports and pressure test certificates are available on request.
Performance Metrics
| Metric | Value |
|---|---|
| Hydrostatic Proof Pressure | 1.5× rated working pressure |
| Typical Working Pressure Range | 10–25 bar (water, compressed air, LPG) |
| Max. Flow Rate (1″ inlet, 6-way, BSP) | Up to 80 l/min (water at 3 bar — indicative) |
| Thread Gauge Compliance Rate | 100% go/no-go gauged |
| Port Position Accuracy | ±0.2 mm centre-to-centre (standard) |
| Dimensional Rejection Rate | < 400 PPM |
| Alloy Compliance Rate | 100% (OES spectrometer per batch) |
Why Choose Us for Brass Manifolds for Pipes?
Cable Glands India has been manufacturing Brass pipe manifolds for plumbing, HVAC, compressed air, gas, and process piping applications for over 30 years. Our combination of modern CNC machining, rigorous quality control, experienced engineering team, and global export capability makes us a trusted partner for importers, distributors, and OEM manufacturers across the world who demand consistent quality, competitive pricing, and reliable delivery of Brass manifolds from India.
End-to-End Manufacturing — No Subcontracting: We control the entire manufacturing process in-house — from Brass billet procurement (with OES spectrometer verification) and CNC machining to pressure testing and surface treatment. No subcontracting means consistent quality and accountability at every step.
DZR Brass as Standard Option: For UK, European, and Australian customers where DZR (Dezincification-Resistant) Brass is mandated by water authority regulations, we offer CW602N DZR Brass as a standard alloy option for our manifolds. This is an important differentiator — not all Indian manufacturers maintain DZR Brass bar stock for production.
Complete Customisation: Whether you need a simple 4-outlet Brass manifold from our catalogue or a complex 16-port custom manifold with integrated check valve pockets, pressure gauge ports, and drain valves — we can produce it. Send us your drawing, 3D model, or just a sketch description, and our engineering team will develop a manufacturing solution.
Competitive Pricing with Certified Quality: Our Indian manufacturing base provides 30–50% cost savings compared to European-made Brass manifolds of equivalent quality. We supply complete material and pressure test documentation, allowing customers to justify the sourcing decision to their quality and procurement management without compromise.
Custom Branding and Packaging: We offer private-label packaging for Brass manifolds — customer-branded carton boxes, individual polybag wrapping with customer part numbers and barcodes, and custom marking on the manifold body (laser or electrochemical etching of customer logo, part number, and pressure rating).
Three Decades of Global Export Experience: Our experience exporting to the USA, UK, Germany, Australia, Canada, UAE, and beyond means we understand the complete buyer journey — correct documentation (MTC, CO, packing list), correct packaging for long-distance sea freight, correct HS codes for customs clearance, and proactive communication to manage expectations. This global commercial maturity is a key differentiator.
Packaging and Shipping
Brass pipe manifolds are individually wrapped in bubble wrap or foam padding, then packed in sturdy double-wall corrugated cartons. All threaded ports are protected with plastic port plugs to prevent ingress of debris during transit. Larger or heavier manifolds are crated in plywood export crates with timber bracing. Cartons and crates are clearly labelled with customer order reference, part number, material, alloy, size configuration, and quantity. Pallets are stretch-wrapped and banded. Export documentation includes commercial invoice, packing list, bill of lading, certificate of origin, material test certificate, and pressure test certificate. We ship via sea freight (FCL and LCL), air freight, and express courier, and have experience with Incoterms 2020 on FOB, CIF, and DDP basis.
Customer Testimonials
“We import Brass heating zone manifolds and water distribution manifolds from Cable Glands India for sale through our plumbing supply network in the UK. The DZR Brass quality is excellent — WRAS-compliant, properly marked, and beautifully machined. Their 5-week lead time is consistent, and their willingness to supply private-label packaging with our catalogue numbers has been a great advantage. Highly recommended for reliable Brass manifold supply from India.”
— Ian G. Forsythe, Procurement Director, Leeds, United Kingdom
“We source Brass compressed air distribution manifolds and LPG gas manifolds from Cable Glands India for our process plant projects across the Middle East and Australia. Their engineering team is knowledgeable and responsive — when we needed a custom 10-port Brass manifold with specific port spacings and an integral pressure gauge port, they delivered accurate drawings within 48 hours and the finished parts in 6 weeks. Quality, price, and service are all excellent.”
— Michael T. O’Brien, Project Engineer, Perth, Australia
Typical Q & A Session — Brass Manifolds for Pipes
Q1. What is a Brass pipe manifold and how does it work?
A. A Brass pipe manifold is a multi-port distribution block with one inlet (or outlet) and multiple branch ports. Water, air, gas, or other fluid enters at the main inlet, flows through the central bore, and exits through each branch outlet to a separate circuit. Balancing valves on each branch allow flow adjustment.
Q2. What is the advantage of Brass over Stainless Steel or Aluminium for manifolds?
A. Brass offers an excellent balance of corrosion resistance (especially in water and gas service), machinability (allowing complex manifold geometries to be machined economically), pressure rating, and cost. For water, heating, gas, and compressed air manifolds in the pressure range of 10–25 bar, Brass is typically the optimal choice. Stainless Steel is preferred for chemical or high-purity applications, while Aluminium is preferred where weight is critical.
Q3. What is DZR Brass and why is it required for manifolds in the UK?
A. DZR (Dezincification-Resistant) Brass (CW602N) contains a small Arsenic addition that inhibits the preferential leaching of zinc from the Brass matrix in certain water conditions (particularly hot, slightly acidic water with high chloride content). The UK Water Fittings Regulations 1999 require DZR Brass for all fittings used in potable water systems where the water quality poses a dezincification risk.
Q4. Can you produce Brass manifolds with integrated balancing valves?
A. Yes. We can integrate balancing valve pockets, needle valve ports, or isolation valve connections into the manifold body design. We can supply the machined manifold body; valve inserts are typically sourced separately. Please provide your valve brand/model for compatibility review.
Q5. What thread standards do you offer for Brass manifolds?
A. BSP (BSPP and BSPT), NPT, metric ISO (M) threads, and custom thread forms. Mixed thread forms (e.g., NPT inlet with BSP outlets) are available. We recommend BSPP (parallel thread with sealing washer or O-ring) for manifolds as it avoids thread-seal tape and provides a more reliable seal.
Q6. What is the maximum working pressure for Brass pipe manifolds?
A. Standard Brass manifolds (CW614N or C36000) are rated to 25 bar for water and compressed air service at ambient temperature. For higher pressures, we use thicker wall sections, smaller port sizes, and higher-strength Brass alloys — please specify your operating pressure for engineering review.
Q7. Can you produce underfloor heating manifolds?
A. Yes. We supply Brass underfloor heating manifolds with ¾” BSP or 1″ BSP main inlet and multiple ½” BSP outlets with flow meters and balancing valves for each loop. These are widely used in the UK, Germany, and Australia for wet underfloor heating systems.
Q8. Do you supply nickel-plated Brass manifolds?
A. Yes. Electroless nickel plating (5–25 µm) and electrolytic bright nickel plating are available as standard options. Nickel-plated Brass manifolds are popular for visible plumbing installations where aesthetics are important, and for applications requiring enhanced corrosion resistance.
Q9. Can you produce custom Brass manifolds from our 3D CAD drawings?
A. Yes. We accept STEP, IGES, and DXF/DWG files. Our engineering team performs a DFM review and provides a quotation within 48 hours. We manufacture and deliver to the exact dimensions and specifications in the drawing.
Q10. Do you offer manifolds with female-to-female or male-to-male combinations?
A. Yes. We supply manifolds with any combination of male and female threaded ports on the inlet and outlets. The most common configuration is male BSP inlet with multiple female BSP outlets, but all other combinations are available.
Q11. What is your MOQ for Brass pipe manifolds?
A. For standard configurations: MOQ is 10 pieces per configuration. For custom designs: MOQ is 5 pieces (NRE/programming charges may apply for very small quantities). We discuss individual requirements case-by-case and are flexible for first-sample orders.
Q12. Do you supply manifolds for LPG or natural gas applications?
A. Yes. We supply Brass gas distribution manifolds for LPG and natural gas applications conforming to local gas fitting standards. Gas manifolds are supplied with appropriate pressure ratings and materials suitable for gas service. Please specify the gas type, operating pressure, and applicable standard when enquiring.
Q13. Are your manifolds pressure tested before shipment?
A. Yes. All manifolds are hydrostatic or pneumatic leak-tested to 1.5× the rated working pressure. Pressure test certificates are supplied on request.
Q14. What is your lead time for custom manifolds?
A. Standard configurations: 4–6 weeks. Custom designs: 6–8 weeks. First-article samples: 2–3 weeks. Complex manifolds with special features may require 8–10 weeks.
Q15. Can you provide material test certificates?
A. Yes. EN 10204 2.1 and 3.1 material test certificates are available. Third-party inspection by SGS, Bureau Veritas, or customer-nominated agencies can be arranged.
Q16. Do you supply Brass manifolds for medical gas distribution?
A. Yes. Tin-plated Brass manifolds for medical gas (oxygen, medical air, nitrogen, nitrous oxide) distribution are supplied conforming to ISO 7396-1 and HTM 02-01 (UK hospital piping) standards. Please specify the medical gas application and applicable standard.
Glossary of Terms
Manifold: A multi-port block used to distribute a single fluid supply to multiple branch circuits or to collect multiple branch flows into a single outlet. Essential in plumbing, heating, HVAC, and process piping. BSP (British Standard Pipe): A widely used pipe thread standard — BSPP (G thread, parallel, seals on face/O-ring) and BSPT (R thread, taper, seals by thread engagement). DZR Brass: Dezincification-Resistant Brass — an alloy with Arsenic addition (CW602N) that prevents preferential zinc leaching in water systems. Required in UK water fittings under WRAS regulations. Balancing Valve: An adjustable valve fitted to each branch port of a manifold to control and equalise flow distribution to each circuit. Hydrostatic Testing: Pressure testing using water at 1.5× (or more) of the rated working pressure to verify structural integrity and absence of leaks. WRAS (Water Regulations Advisory Scheme): A UK approval body for products used in contact with potable water. WRAS approval confirms conformity with the Water Fittings Regulations. DVGW: Deutsches Verein des Gas- und Wasserfaches — the German technical and scientific association for gas and water. DVGW approval is required for gas and water system components in Germany. Electroless Nickel Plating: A chemical (autocatalytic) plating process that deposits a uniform layer of nickel-phosphorus alloy on the Brass surface, providing excellent corrosion resistance and a consistent coating thickness on all surfaces including recesses and threads.
Related Parts
Brass pipe manifolds, Brass water manifolds, Brass heating manifolds, Brass underfloor heating manifolds, Brass compressed air manifolds, Brass LPG gas manifolds, Brass HVAC manifolds, Brass zone manifolds, Brass multi-port distribution blocks, Brass balancing manifolds, Aluminium pipe manifolds, Stainless Steel manifolds, Brass plumbing fittings, Brass BSP manifolds, Brass NPT manifolds, DZR Brass manifolds, nickel-plated Brass manifolds, custom Brass manifolds India
Request a Quote for Brass Manifolds for Pipes
Ready to source premium Brass pipe manifolds from a trusted Indian manufacturer with 30 years of export experience? Contact Cable Glands India today with your manifold configuration — inlet size, outlet size, number of outlets, thread standard, material grade, surface finish, and quantity. Our technical sales team will respond within 24 hours with a detailed quotation, material options, lead time, and sample availability. Let us be your long-term Brass manifold supply partner — precision manufacturing, ISO 9001:2015 certified quality, and genuine commitment to your satisfaction.
📧 Email: sales@cableglandsindia.com
📞 Phone: +91-22-43449300 | +91-22-43449323