Home Construction & Decoration Union Pipe Union Fitting Welding Union 2025 Product List

Welding Union

products found from  trusted manufacturers & suppliers

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US$ 9.6-10 / Piece
1 Piece (MOQ)
WENZHOU QIMING STAINLESS CO., LTD.
WENZHOU QIMING STAINLESS CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Trading Company

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Stainless Steel
Weld
Standard
New
Qiimii
SS304/SS316

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US$ 2 / Piece
4 Pieces (MOQ)
NINGBO RMI PLASTIC CO., LTD.
NINGBO RMI PLASTIC CO., LTD.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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ANSI,DIN,JIS
Casting
DN15
Butt Welding
PVDF
Welding

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US$ 7.8-30 / Piece
100 Pieces (MOQ)
Hengshui Runxi International Trade Co., Ltd.
Hengshui Runxi International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
  • Trading Company

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API 6A
Forged
DN25-DN100
Threaded Union
Steel
Threaded/Welded

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US$ 0.98-99 / Piece
100 Pieces (MOQ)
Yancheng Jicheng Machinery Co., Ltd
Yancheng Jicheng Machinery Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Jiangsu, China
  • Manufacturer/Factory & Trading Company

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1 Year
MSS SP-83
Forged
Socket Union
Stainless Steel
Welding

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US$ 0.75 / Piece
1 Piece (MOQ)
Hebei Shengtian Pipe-Fitting Group Co., Ltd.
Hebei Shengtian Pipe-Fitting Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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Carbon Steel
Male
ISO9001
Standard
as Per Your Requirements
St

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US$ 21.87 / Piece
20 Pieces (MOQ)
Suzhou TLH Pipe Fittings Co., Ltd
Suzhou TLH Pipe Fittings Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Jiangsu, China
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DIN, ANSI, GB, JIS, BSW
Iron
Welding
Blasting
15 to 20 Business Days
High Pressure (1000-3000 Psi)

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10 Pieces (MOQ)
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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GB3289.37,3298.38-82
Casting
ISO, DIN11850, DIN11851, SMS, Idf
Socket Union
Stainless Steel
Welding

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US$ 0.005-0.015 / Piece
10000 Pieces (MOQ)
Jiaxing Sunrise Import & Export Co., Ltd.
Jiaxing Sunrise Import & Export Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • ISO9001:2015
Secured Trading Service

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PTFE/FKM/Sil/EPDM/NBR
Engine, Transmission, Rear Axle
Oil Seal
High Pressure
O-Ring
Standard, Nonstandard

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3000 Pieces (MOQ)
Taizhou Bada Valve Co., Ltd.
Taizhou Bada Valve Co., Ltd.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Casting
Socket Union
Welding
Casting
PE Bag+Carton
See below

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US$ 3-15 / Piece
1 Piece (MOQ)
Changsha OROSION Metal Technology Ltd Company
Changsha OROSION Metal Technology Ltd Company
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Trading Company

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Yes
1 Year
GB3289.37,3298.38-82
Forged
DN25
Weld Union

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US$ 0.1-1 / Piece
1 Piece (MOQ)
Zhejiang Ruoteng Valve Co., Ltd
Zhejiang Ruoteng Valve Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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3 Years
3 Years
JIS/DIN/ANSI/ASME
Casting
All Suit
Threaded Union

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US$ 0.4 / Piece
500 Pieces (MOQ)
Ningbo Salvador Piping System Co., Ltd.
Ningbo Salvador Piping System Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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One Year Guarantee
One Year Guarantee
DIN/ANSI/JIS/Cns
Injection
DN15-DN100
Union

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US$ 7.8-30 / Piece
100 Pieces (MOQ)
Hengshui Runxi International Trade Co., Ltd.
Hengshui Runxi International Trade Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
  • Trading Company

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API 6A
Forged
DN25-DN100
Threaded Union
Steel
Threaded/Welded

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US$ 1 / Piece
10 Pieces (MOQ)
Zhejiang Yuzheng Valve Technology Co., Ltd.
Zhejiang Yuzheng Valve Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
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MSS SP-83
Casting
DN20
Threaded Union
Stainless Steel
Welding

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US$ 9.8-10 / Piece
1 Piece (MOQ)
Wenzhou Longva Light Industrial Machinery Co., Ltd.
Wenzhou Longva Light Industrial Machinery Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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Wog
Casting
DN25
Threaded Union
Stainless Steel
Welding

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US$ 1-20 / Piece
10 Pieces (MOQ)
Qingdao HQ Import & Export Co., Ltd.
Qingdao HQ Import & Export Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Shandong, China
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Yes
1year
ASME B 16.11
Forged
DN40
Threaded Union

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US$ 90-104 / pieces
2 pieces (MOQ)
Goldenman Petroleum Equipment Co., Limited
Goldenman Petroleum Equipment Co., Limited
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Trading Company

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24/7
1 Year
Crude Oil
Flange
No
8.5

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US$ 0.38-0.41 / Piece
1 Piece (MOQ)
Tobo Industrial (shanghai) Co.,Ltd
Tobo Industrial (shanghai) Co.,Ltd
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Shanghai, China
  • Trading Company

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Full Follow-up Service
Thread
Hexagon
External Thread
Nickle
Stainless Steel

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US$ 6-8 / Piece
10 Pieces (MOQ)
Ningbo Yifei Machinery Parts Co., Ltd.
Ningbo Yifei Machinery Parts Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
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Provide Technical Services
3 Year Warranty
GB3289.37,3298.38-82
Casting
DN32
Threaded Union

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US$ 0.126-0.14 / Piece
1 Piece (MOQ)
ZHEJIANG WELFLOW VALVE CO., LTD
ZHEJIANG WELFLOW VALVE CO., LTD
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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Warranty Support
12 Months
ISO4144
Casting
DN6-DN100
Butt Welded Union

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US$ 0.98-99 / Piece
100 Pieces (MOQ)
Yancheng Jicheng Machinery Co., Ltd
Yancheng Jicheng Machinery Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Jiangsu, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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1 Year
MSS SP-83
Forged
Socket Union
Carbon Steel
Welding

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US$ 1-50 / Piece
100 Pieces (MOQ)
Wenzhou Long'an Flange Co., Ltd.
Wenzhou Long'an Flange Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO45001:2018, ISO14001
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MSS SP-83
Casting
DN80
Socket Union
Stainless Steel
Welding

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US$ 1.39-3.29 / Piece
100 Pieces (MOQ)
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Shandong, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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5(5.0)

"Fast Dispatch"
Fast Dispatch
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DIN, ANSI, GB, JIS
Carbon Steel
Welding
Nickel-Plated
Round
Hammer Union

Favorites

1 Piece (MOQ)
Jiangsu Solid Machinery Manufacturing Co., Ltd.
Jiangsu Solid Machinery Manufacturing Co., Ltd.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China
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CE, ISO
Customized
Non-Customized
National
Connection
Alloy

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US$ 0.38-0.41 / Piece
1 Piece (MOQ)
Tobo Industrial (shanghai) Co.,Ltd
Tobo Industrial (shanghai) Co.,Ltd
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Shanghai, China
  • Trading Company

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Full Follow-up Service
Thread
Hexagon
External Thread
Nickle
Alloy

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10 Pieces (MOQ)
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
Milee Clean Valve Technology (Zhejiang) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
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DIN, 3A, SMS, Rjt, ISO
Forged
DN50
Threaded Union
Stainless Steel
Male

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US$ 0.5-5 / Piece
10 Pieces (MOQ)
Wenzhou Haide Fluid Equipment Co., Ltd
Wenzhou Haide Fluid Equipment Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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After Sale Service: 2 Years
After Sale 1 Years
SMS
Forged
1/2"-8"
Threaded Union

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US$ 0.1-1 / Piece
1 Piece (MOQ)
Zhejiang Ruoteng Valve Co., Ltd
Zhejiang Ruoteng Valve Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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5(5.0)

"Fast Delivery"
Fast Delivery
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3 Years
3 Years
JIS/DIN/ANSI/ASME
Casting
All Suit
Threaded Union

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US$ 1.21-6.15 / Piece
50 Pieces (MOQ)
WENZHOU JIANHAO PIPE FITTING CO., LTD.
WENZHOU JIANHAO PIPE FITTING CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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BSPT
Casting
DN8-DN100
Threaded Union
Stainless Steel
Threaded Connection

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US$ 4.78 / Piece
1 Piece (MOQ)
Hebei Shengtian Pipe-Fitting Group Co., Ltd.
Hebei Shengtian Pipe-Fitting Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China
  • Manufacturer/Factory & Trading Company

Secured Trading Service

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MSS SP-83
Forged
DN65
Socket Union
Carbon Steel
Welding
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Questions & Answers on Welding Union
Q
What types of Union products are commonly manufactured in the construction industry?
A
The Welding Union is a premium choice in the Union category.Union products in the construction industry range from Union fittings to Union joints and assemblies. These products are crucial for connecting components with precision and ensuring strong structural integrity.
Q
What advantages does wholesale sourcing of Union products offer to construction businesses?
A
Enhance your Union setup with our premium Welding Union.By sourcing Union products wholesale, construction businesses can benefit from cost efficiency, bulk purchasing options, and consistent product quality. Plus, wholesalers often provide discounts and customization services to meet specific project requirements.
Q
How can I find reputable suppliers of Union products in China?
A
Discover the perfect Union addition with our Welding Union.To identify trusted suppliers in China's construction industry, utilize online sourcing platforms, attend industry events, and consult with industry associations. It is vital to thoroughly vet suppliers' qualifications and insist on samples for evaluation.
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