Double Check

products found from  trusted manufacturers & suppliers

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1 Piece (MOQ)
SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED
SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

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Non Portable
Flatbed
Security Check, security X-ray machine
Conveying X-ray Detector
CE, ISO
Non-Customized

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US$ 83 / Piece
50 Pieces (MOQ)
Jipai Fluid Control Technology (Jiangsu) Co., Ltd.
Jipai Fluid Control Technology (Jiangsu) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Jiangsu, China
  • Manufacturer/Factory

  • ISO 9001

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Gas
Stainless Steel
10.0MPa≤p<100.0MPa
Moncombustible/Nontoxic
High Pressure (10.0MPa≤p<100.0MPa)
New

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1 Piece (MOQ)
SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED
SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

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Non Portable
Folding
Security Check, Industrial
Conveying X-ray Detector
CE, ISO
Non-Customized

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US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 20-168 / Piece
1 Piece (MOQ)
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd.
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Secured Trading Secured Trading
  • Hubei, China
  • Manufacturer/Factory,Trading Company

  • ISO 9001, ISO 9000, ISO 20000
Trade Guarantee

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GS, RoHS, CE, ISO9001
Compound
3500W
Open Type
12
High Speed

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

US$ 13-19.8 / Piece
3 Pieces (MOQ)
Guangzhou Haoen Leather Co., Ltd.
Guangzhou Haoen Leather Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

  • ISO 9001, BSCI

360° Virtual Tour

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5(5.0)

"Fast Delivery"
Fast Delivery
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Black
Polyester
Double Shoulder
Polyester
Multilevel Adjustable
Waterproof

Favorites

1000 Meters (MOQ)
G&Z Textile Co., Ltd.
G&Z Textile Co., Ltd.
  • Jiangsu, China
  • Manufacturer/Factory,Trading Company

  • ISO 9000
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Garment, Sportswear
58/60"
Woven
Plain Dyed
Jacquard

Favorites

US$ 3.8-16.8 / Piece
1 Piece (MOQ)
Yueqing Right Pneumatic Co., Ltd.
Yueqing Right Pneumatic Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Pneumatic
Rih
Single Head and Double Position
1/8''
DC24V/AC110V/AC220V Option
Lead Wire Type or Terminal Type

Favorites

US$ 376-2800 / pcs
5 pcs (MOQ)
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
NINGJIN APC INDUSTRIES INCORPORATED COMPANY
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Manufacturer/Factory & Trading Company

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Upright
Closed
Wet Alarm Valve
Can't Automatically Opened and Closed
Water Spray System
Wet Fire Sprinkler System

Favorites

1 Piece (MOQ)
SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED
SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

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Non Portable
Folding
Security Check, Industrial
Conveying X-ray Detector
CE, ISO
Non-Customized

Favorites

US$ 3.8-43.8 / Piece
1 Piece (MOQ)
Yueqing Right Pneumatic Co., Ltd.
Yueqing Right Pneumatic Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Pneumatic
Rih
Single Head and Double Position
1/8''
DC24V/AC110V/AC220V Option
Lead Wire Type or Terminal Type

Favorites

US$ 100 / Piece
1 Piece (MOQ)
UPET GROUP CO., LTD.
UPET GROUP CO., LTD.
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Shandong, China
  • Trading Company

  • ISO 9001, ISO 9000, ISO 20000, HSE, QHSE, SHE Audits, FSC
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Fixed
Rotary Atomization
Contra-Flow
Dielectric
Powder
Air

Favorites

US$ 2-120 / Piece
10 Pieces (MOQ)
JIANGYIN HETAI INDUSTRIES COMPANY LTD.
JIANGYIN HETAI INDUSTRIES COMPANY LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Jiangsu, China
  • Manufacturer/Factory,Trading Company,Group Corporation

  • ISO 9001, ISO 14001
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ISO9001:2008, CE
Aluminum Alloy
Pneumatic
Diaphragm
Intelligent Type
FPM

Favorites

US$ 1-16 / Piece
10 Pieces (MOQ)
JIANGYIN HETAI INDUSTRIES COMPANY LTD.
JIANGYIN HETAI INDUSTRIES COMPANY LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Jiangsu, China
  • Manufacturer/Factory,Trading Company,Group Corporation

  • ISO 9001, ISO 14001
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ISO9001:2008, CE
Aluminum Alloy
Pneumatic
Diaphragm
Intelligent Type
FPM

Favorites

US$ 4.5-4.6 / kg
1000 kg (MOQ)
Shaoxing Yewang Textile Co., Ltd.
Shaoxing Yewang Textile Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Zhejiang, China
  • Trading Company

  • Others
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Polyester / Cotton
60GSM
43/44"
Woven
The First Is Plastic Bag Packaging, The Outer Laye
Ningbo, China

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US$ 1.8-1.9 / Meter
1000 Meters (MOQ)
Shaoxing Yewang Textile Co., Ltd.
Shaoxing Yewang Textile Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Zhejiang, China
  • Trading Company

  • Others
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100% Cotton
90GSM
57/58"
Woven
The First Is Plastic Bag Packaging, The Outer Laye
Ningbo, China

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US$ 0.7-0.8 / Yard
1000 Yards (MOQ)
Shaoxing Yewang Textile Co., Ltd.
Shaoxing Yewang Textile Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Zhejiang, China
  • Trading Company

  • Others
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100% Cotton
Twill
100GSM, 98GSM
57/58"
Woven
The First Is Plastic Bag Packaging, The Outer Laye

Favorites

US$ 59200-59400 / set
1 set (MOQ)
Botou City Zhongke Roll Forming Machine Factory
Botou City Zhongke Roll Forming Machine Factory
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China
  • Manufacturer/Factory

  • ISO 9001, ISO 9000, ISO 14001, ISO 20000, ISO 14064, ISO 10012, ISO 17025

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Trade Guarantee

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14 Months
14 Months
Colored Steel
CE, ISO, PLC
New
Customized

Favorites

US$ 4.5-7 / box
100 box (MOQ)
Guangzhou Jinfeng Paper Co., Ltd.
Guangzhou Jinfeng Paper Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SuppliersAudited Supplier
  • Secured Trading Secured Trading
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

  • ISO 9001

360° Virtual Tour

Trade Guarantee

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5(5.0)

"Fast Delivery"
Fast Delivery
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Carbon Paper
50 GSM
Wood Pulp
9.5'*11'
5 Ply Customizable
Not Waterproof

Favorites

1 Piece (MOQ)
SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED
SHENZHEN SECURITY ELECTRONIC EQUIPMENT CO., LIMITED
  • China Supplier - Gold Member Gold Member
  • Audited SuppliersAudited Supplier
  • Guangdong, China
  • Manufacturer/Factory & Trading Company

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Non Portable
Flatbed
Security Check
Conveying X-ray Detector
CE, ISO
Non-Customized
Questions & Answers on Double Check
Q
What are the common uses of check valves in industrial equipment?
A
The Double Check is a top choice in our Check Valve collection.Check valves are vital components used to prevent backflow in pipelines and ensure one-way flow of liquids or gases. They are commonly found in industries such as oil & gas, water treatment, and manufacturing processes.
Q
What are the benefits of purchasing check valves wholesale for industrial equipment?
A
Our Double Check offers exceptional quality within the Check Valve category.Buying check valves wholesale allows for cost savings, bulk pricing benefits, and streamlined procurement processes. You can also enjoy customization options, technical support, and timely delivery from a reputable supplier in China.
Q
How can I identify a trustworthy supplier for check valves in China?
A
Enhance your Check Valve setup with our premium Double Check.When searching for a reliable check valve supplier in China, look for certifications, years of experience, and customer reviews. Request samples, check their compliance with industry standards, and ensure they offer quality assurance processes.
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