High-Quality PPR Brass Union with Free Samples and OEM/ODM Options

• Customization: Available
• After-sales Service: 24h
• Warranty: 5month
• Model NO.: brass male union
• Standard: GB3289.37,3298.38-82
• Technique: Seamed
• Nominal Diameter: DN20-DN63
• Type: Threaded Union
• Material: Copper
• Connection: Male
• Customized Service: OEM, ODM
• Free Sample: Yes
• Dynamic: Manual
• Package: Carton, Polybag, Color Box or Customized
• PPR Brand: Borealis / Korea Hyosung
• Transport Package: Carton
• Specification: Brass Union
• Trademark: Seher
• Origin: Zhejiang, China
• HS Code: 3917400
• Production Capacity: 1000000PCS/Month
• Package Size: 44.00cm * 25.00cm * 19.00cm
• Package Gross Weight: 20.000kg

Product Description

Product Description

Brass PPR Male Threaded Union for Wholesale PPR Union Fittings

* Cu58-3 brass with resistance to dezincification
* Working pressure: 2000 PSI (138 bar)
* Anti-galling design ensures smooth assembly
* Sealed with EPDM gasket or PTFE tape

Robust Brass Union with PPR Ends

CU58-3 Brass Body | Electroplated Finish | DN20-DN63
Sandblasted Surface with Imported PPRCustomizable Colors & Packaging

Δ Premium CU58-3 Brass (H59)
High-tensile, lead-free brass (Cu 57-60%, Zn 40-43%)
Dezincification-resistant as per ISO 6509
Sandblasted surface treatment for:
→ Enhanced grip during installation
→ Superior paint/plating adhesion
→ Scratch-concealing texture

Δ Dual Electroplating Options

Nickel Plating: Matte silver (25μm) • 800+ hrs salt spray resistance
Chrome Plating: Mirror finish (0.3μm) • HV 800 hardness
Bare sandblasted brass available

Δ Imported PPR End Caps
Virgin PPR raw material (EU origin, Grade PN25)
Fusion-ready sockets with depth markers
Custom colors: White • Green • Gray • (RAL codes supported)

Specification

Brass PPR Male threaded Union Wholesale of PPR Union Fittings
Parameter	Details
Material	Cu58-3 + Imported PPR
Size Range	DN20 – DN63
Pressure Rating	≤1.6 MPa (PPR), ≤2.5 MPa (Thread)
Temperature Range	-10°C to 95°C (PPR), -30°C to 110°C (Steel)
Thread Standard	Customizable (BSP, NPT, etc.)
Surface Finish	Sandblasted
Certifications	ISO 9001, CE, RoHS Compliant

Maintenance-Friendly Design

Hybrid System Performance

Corrosion Defense

3-piece construction for easy disassembly without pipe cutting
Reinforced union nuts withstand 120 Nm torque (DN63)

Seamless integration between PPR pipelines and:
• Pumps • Heat exchangers • Filtration systems
Leak-proof metal-to-metal seal with compressional gasket

Sandblasted base + plating resists pitting and oxidation
PPR ends immune to electrochemical corrosion

Brass PPR Threaded Union ZHEJIANG ZHONGXIN PIPE CO.,LTD
Thread	SIZE	N.W. (g)	Thread	SIZE	N.W. (g)
Female Thread Union	20*1/2'	57.0g	Male Thread Union	20*1/2'	63.0g
	20*3/4'	65.0g		20*3/4'	75.5g
	25*1/2'	88.0g		25*1/2'	94.7g
	25*3/4'	80.0g		25*3/4'	90.0g
	25*1'	91.0g		25*1'	112.0g
	32*3/4'	123.0g		32*3/4'	124.0g
	32*1'	125.0g		32*1'	135.0g
	32*1-1/4'	140.0g		32*1-1/4'	180.0g
	40*1-1/4'	207.0g		40*1-1/4'	229.0g
	50*1-1/2'	358.0g		50*1-1/2'	386.0g
	60*2'	522.0g		60*2'	626.0

Hot sale fittings

Hot Sale Fittings

_____________________________

Premium industrial components engineered for reliability and performance. 

Trusted by professionals worldwide.

Stainless Steel Unions

Stainless Steel Inserts

PPR Pipe Fittings

* SUS 201 & Import PPR
* Pressure rating: PN16 to PN40 (230-580 PSI)
* Available in sizes: 1/2" to 2" (DN20 to DN63)
* Temperature range: -40°C to 250°C

* Precision CNC machining
* Available in DN20 to DN63 sizes
* BSP, NPT, and metric thread standards
* Custom laser engraving for brand identification

* Universal thread
* Import PP-R
* Complete Types
* Available in DN20 to DN63 sizes

Brass Union

PPR Valves

Stop Valve & Cores

* Cu58-3 brass with dezincification resistance
* Working pressure: 2000 PSI (138 bar)
* Anti-galling design for smooth assembly
* Sealing with EPDM gasket or PTFE tape

* Full bore design for minimal flow resistance
* Zero leakage
*ANSI 61 certified 
* Operating pressure: PN20 (290 PSI)

* Drip-free performance
* 500,000 cycle durability guarantee
* Replaceable cartridges for easy maintenance
* SUS201 & Cu95 & Import PPR

Company Profile

Zhejiang Zhongxin Pipe Co.,ltd  _____________________ 

   

    Established in 2003, Zhejiang Zhongxin Pipe Co., Ltd specializes in the research, development, production and sales of PPR fittings and pipes.

    Such as:

stainless steel / brass/ PP-R unions

brass/ stainless steel inserts

ppr adaptors

ppr thread fittings

stop valve & cores

 ball valves 

    With a sound management system, advanced technology and equipment, and top technical talents, we ensure superior product quality and efficiency.

    Our products are widely used in construction, municipal, and industrial fields, and pass ISO9001:2000 certification, provincial technical appraisal, and national construction department promotions.

     Zhongxin Pipe, building trust with quality and leading the future with innovation, your trusted pipeline solution expert.

    Precision-Flow Connections.

Engineered to Last.    

Why Choose Zhongxin Pipe as Partnership

Packaging & Shipping

FAQ

Material & Specifications

Payment & Warranty

Ordering & Customization

 Q: What material grades do you use?

A: All products use certified materials:
Stainless Steel: AISI 201 (with Mill Test Certificates)

Brass: CU-95 (RoHS compliant)
Plastics: FDA-compliant PPR-RCT 

Material certs available upon request.

Q: What payment terms do you accept?
A: Secure options via Made-in-China:
30% T/T deposit + 70% before shipment
Escrow Service Recommended (Buyer Protection)
Q: What if I receive defective products?
A: Our warranty covers:
6-month defect replacement
Photo/video evidence required

Q: What's your MOQ?
A: Standard items: 1 Carton
Customized orders:  300 cartons (Designs, logos, packaging)
Q: Can I get samples before bulk orders?
A: Yes:
Standard samples: Ready to ship in 3 days
Custom samples: 20-50 days (sample fee refundable with order)

Quality Control

Q: Are your products compatible with international standards?
A: Yes, we adhere to:
Threads: ANSI B1.20.1 (NPT), BS 2779 (BSP) / Pressure Ratings: PN16-PN25 / Class 150-300 / Certifications: ISO 9001, CE, RoHS

Q: How do you ensure quality?
A: Our 3-step QC process:
Incoming Check: Raw material verification / In-Process: Dimensional checks with CMM (0.01mm precision) /Final Audit: Hydrostatic/pressure testing & visual inspection

Q: Do you accept third-party inspections?
A: Yes. We welcome SGS/BV/Intertek inspections at your cost. Factory audit reports available for Gold Suppliers.