High-Performance Stainless Steel PPR Union with Threaded for Water Systems Pipe Fitting

• Customization: Available
• After-sales Service: 24h
• Warranty: 5month
• Model NO.: SUS Threaded Union
• Standard: GB3289.37,3298.38-82
• Technique: Seamed
• Nominal Diameter: DN20-DN63
• Type: Threaded Union
• Material: Stainless Steel
• Connection: Female
• Customized Service: OEM, ODM
• Free Sample: Negotiate
• Dynamic: Manual
• Packing: Carton, Polybag, Color Box or Customized
• PPR Brand: Borealis / Korea Hyosung
• Transport Package: Carton
• Specification: DN32 Female PPR Threaded 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

High-Performance Stainless Steel PPR Union with threaded for Water Systems

DN20-DN63 | Premium 201 Stainless Steel & Imported PPR | Gleaming Mirror Finish

Zhongxin's premium threaded PPR unions masterfully blend the robustness of stainless steel with the adaptability of PPR, ensuring impeccable, leak-proof connections even in the most challenging water systems. Designed specifically for high-pressure scenarios, these unions deliver outstanding flow efficiency and remarkable long-term reliability.

Product Highlights

Δ Advanced Cold Heading Technology
Crafted with precision through a distinctive cold forging process, these unions offer enhanced structural integrity, superior leak-proof performance, and exceptional resistance to corrosion.

Δ Dual-Material Excellence

Stainless Steel 201 Threads: Engineered for extraordinary strength and unmatched oxidation resistance.
PPR Body: Crafted from high-purity imported PPR raw materials, ensuring chemical stability, robust durability, and environmentally friendly safety.
Δ Mirror Surface Design
Features an aesthetically refined, polished finish that facilitates easy cleaning, minimizes scaling, and guarantees seamless integration with contemporary plumbing systems.

Δ Wide Size Range
Encompasses sizes DN20, DN25, DN32, DN40, DN50, DN63 to meet varied system needs.

Δ Customization Support
Offers tailor-made solutions for dimensions, threading standards (including NPT, BSP), and PPR color customization upon request.

Specification

Parameter	Details
Material	201 Stainless Steel + 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	Mirror Polish
Certifications	ISO 9001, CE, RoHS Compliant

Precise Dimensions

Premium Materials

Advanced Manufacturing

Available in a comprehensive range from DN20 to DN63, these unions are designed to fit all standard plumbing requirements seamlessly.

Manufactured from high-grade stainless steel 201 and top-quality imported PPR raw materials for unmatched performance.

Employs a unique cold-heading process that ensures unparalleled strength and exceptional durability.

High-Performance Stainless Steel PPR Union with threaded for Water Systems
Thread	SIZE	N.W. (g)	Pcakage (PCS/CTN)	Carton Size (cm)
Female Thread Union	20*1/2'	120g	200 pcs	44*25*20
	20*1/2' PRO	133g	200 pcs	44*25*18.5
	25*3/4'	130g	130 pcs
	25*3/4' PRO	160g	130 pcs
	25*1'	145g	100 pcs
	32*3/4'	175g	100 pcs
	32*1'	168g	100 pcs
	40*1-1/4'	300g	120 pcs	48*37*28
	50*1-1/2'	365g	90 pcs
	60*2'	367g	54 pcs
Male Thread Union	20*1/2'	132g	130 pcs	44*25*20
	25*3/4'	160g	100 pcs	44*25*18.5
	25*1'	200g	100 pcs
	32*3/4'	185g	100 pcs
	32*1'	200g	100 pcs
	40*1-1/4'	355g	100 pcs	48*37*28
	50*1-1/2'	408g	80 pcs
	60*2'	665g	54 pcs

Application

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.