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Welding Manhole

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Sanitary SS304 Food Grade Cover Tank Pressure Manway Circle Welding Manhole with Sight Glass

Sanitary SS304 Food Grade Cover Tank Pressure Manway Circle Welding Manhole with Sight Glass

US $ 145-160 / Piece FOB
1 Piece (MOQ)
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Main Products: Sanitary Valves, Sanitary Pipe Fittings, Sanitary Manhole Cover, Sanitary Centrifugal Pump, Sanitary Lobe Pump, Sanitary Spray Balls, Sanitary Unions, Sanitary Pressure Relief Valve, Sanitary Divert Seat Valve, Sanitary Sight Glass
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Quzhou KingGo Machinery Co., Ltd.

Zhejiang, China Since 2021
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Sanitary 304/316L Brewing Tank Stainless Steel Welding Round Pressure Sight Glass Manhole

Sanitary 304/316L Brewing Tank Stainless Steel Welding Round Pressure Sight Glass Manhole

US $ 38-42 / Piece FOB
10 Pieces (MOQ)
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Zhejiang Sanying Fluid Equipment Co., Ltd.

Zhejiang, China Since 2022
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Sanitary Standard Covers Manholes Stainless Steel Oval Inward Manhole

Sanitary Standard Covers Manholes Stainless Steel Oval Inward Manhole

US $ 22 / Piece FOB
2 Pieces (MOQ)
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Main Products: Sanitary Valves, Diaphragm Valve, 3PC Ball Valve, Sanitary Butterfly Valve, Angle Seat Valve, Sampling Valve, Pipe Fittings, CIP Cleaning Ball, Stainless Steel Manhole Cover, Sight Glass
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Zhejiang Sanying Fluid Equipment Co., Ltd.

Zhejiang, China Since 2022
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Premium Stainless Steel Oval Conventional Manhole for Durability

Premium Stainless Steel Oval Conventional Manhole for Durability

US $ 13-15 / Piece FOB
10 Pieces (MOQ)
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Seal Form : Auto Sealed
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Zhejiang Yuzheng Valve Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2014
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Hg/T21515 Atmospheric Pressure Manhole Carbon Steel Boiler Maintenance Door

Hg/T21515 Atmospheric Pressure Manhole Carbon Steel Boiler Maintenance Door

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Main Products: Coal Gate
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Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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High Pressure Round Manhole Cover with Sight Glass

High Pressure Round Manhole Cover with Sight Glass

US $ 100-380 / Piece FOB
1 Piece (MOQ)
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Standard : DIN, ANSI, GB, JIS, BSW
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Donjoy Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2005
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Plastic Sewage Pipe Inspection Chamber Underground Plastic Manhole with Covers

Plastic Sewage Pipe Inspection Chamber Underground Plastic Manhole with Covers

US $ 2-2.6 / Piece FOB
1 Piece (MOQ)
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Main Products: Aluminum Strip, Aluminum Coil, Faucet, Tap, Bibcock, Plastic Bib Cock, HDPE Fittings, HDPE Pipes, HDPE Electrofusion Fittings, Washing Machine Taps
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Ningbo Kingwin Co., Ltd.

Zhejiang, China Since 2022
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Food-Grade Manhole 316L - CIP Cleaning Set

Food-Grade Manhole 316L - CIP Cleaning Set

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Material : Cast Steel
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Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Flanged Sight Glass Pressure Round Manhole Cover with Plastic Handlewheel

Flanged Sight Glass Pressure Round Manhole Cover with Plastic Handlewheel

US $ 100-380 / Piece FOB
1 Piece (MOQ)
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Main Products: Sanitary Valve, Rotary Lobe Pump, Diaphragm Valve, Sanitary Butterfly Valve, Twin Pump, Mix Proof Pump, Flow Control Valve
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Donjoy Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2005
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HDPE Plastic Precast Inspection Manholes for Municipal and Residential Areas

HDPE Plastic Precast Inspection Manholes for Municipal and Residential Areas

US $ 2-2.6 / Piece FOB
1 Piece (MOQ)
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Connection : Welding
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Ningbo Kingwin Co., Ltd.

Zhejiang, China Since 2022
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Stainless Steel 304 Rectangular Manholes

Stainless Steel 304 Rectangular Manholes

10 Pieces (MOQ)
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Main Products: Sanitary Stainless Steel Valve
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Milee Clean Valve Technology (Zhejiang) Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Nitrogen-Sealed Manhole - Inert Gas Protection

Nitrogen-Sealed Manhole - Inert Gas Protection

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Type : Gland Box
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Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Stainless Steel Inward Opening Elliptical Manhole Cover with Handwheel

Stainless Steel Inward Opening Elliptical Manhole Cover with Handwheel

US $ 100-380 / Piece FOB
1 Piece (MOQ)
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Main Products: Sanitary Valve, Rotary Lobe Pump, Diaphragm Valve, Sanitary Butterfly Valve, Twin Pump, Mix Proof Pump, Flow Control Valve
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Audited Supplier
Donjoy Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2005
Chat Now Send Inquiry
HDPE Plastic Precast Inspection Manholes for Municipal and Residential Areas

HDPE Plastic Precast Inspection Manholes for Municipal and Residential Areas

US $ 2-2.6 / Piece FOB
1 Piece (MOQ)
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Connection : Welding
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Audited Supplier
Ningbo Kingwin Co., Ltd.

Zhejiang, China Since 2022
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316L High-Pressure Manhole Pn2.5 - Specifically Designed for Strong Acid Environments

316L High-Pressure Manhole Pn2.5 - Specifically Designed for Strong Acid Environments

US $ 580-680 / Piece FOB
1 Piece (MOQ)
More
Main Products: Coal Gate
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Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Sanitary Stainless Steel Non-Pressure Round Manhole Cover

Sanitary Stainless Steel Non-Pressure Round Manhole Cover

US $ 100-380 / Piece FOB
1 Piece (MOQ)
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Connection : Welding
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Audited Supplier
Donjoy Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2005
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3 Way Inspection Well Standard Size Plastic Manhole Inspection Chamber

3 Way Inspection Well Standard Size Plastic Manhole Inspection Chamber

US $ 2-2.6 / Piece FOB
1 Piece (MOQ)
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Main Products: Aluminum Strip, Aluminum Coil, Faucet, Tap, Bibcock, Plastic Bib Cock, HDPE Fittings, HDPE Pipes, HDPE Electrofusion Fittings, Washing Machine Taps
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Ningbo Kingwin Co., Ltd.

Zhejiang, China Since 2022
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Large-Diameter Manhole DN750 - Personnel Entry and Exit for Large Storage Tanks

Large-Diameter Manhole DN750 - Personnel Entry and Exit for Large Storage Tanks

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Pressure Level : 1.6MPa
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Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Vacuum Sealed Manhole - Maintenance Access for Negative Pressure Equipment

Vacuum Sealed Manhole - Maintenance Access for Negative Pressure Equipment

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Main Products: Coal Gate
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Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Self-Locking Manhole - Quick Opening and Closing Device

Self-Locking Manhole - Quick Opening and Closing Device

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Pressure Level : 1.6MPa
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Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Related Videos
  • What is Sanitary SS304 Food Grade Cover Tank Pressure Manway Circle Welding Manhole with Sight Glass
    What is Sanitary SS304 Food Grade Cover Tank Pressure Manway Circle Welding Manhole with Sight Glass
    US $ 145-160 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Sanitary 304/316L Brewing Tank Stainless Steel Welding Round Pressure Sight Glass Manhole
    What is Sanitary 304/316L Brewing Tank Stainless Steel Welding Round Pressure Sight Glass Manhole
    US $ 38-42 /Piece
    10 Pieces (MOQ)
    Contact Supplier
  • What is Sanitary Standard Covers Manholes Stainless Steel Oval Inward Manhole
    What is Sanitary Standard Covers Manholes Stainless Steel Oval Inward Manhole
    US $ 22 /Piece
    2 Pieces (MOQ)
    Contact Supplier
  • What is High Pressure Round Manhole Cover with Sight Glass
    What is High Pressure Round Manhole Cover with Sight Glass
    US $ 100-380 /Piece
    1 Piece (MOQ)
    Contact Supplier
Boiler Rotary Cover Manhole - High-Temperature and High-Pressure Resistant Design

Boiler Rotary Cover Manhole - High-Temperature and High-Pressure Resistant Design

US $ 580-680 / Piece FOB
1 Piece (MOQ)
More
Main Products: Coal Gate
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Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
DN500 Stainless Steel Manhole - Clean Passage for The Pharmaceutical Industry

DN500 Stainless Steel Manhole - Clean Passage for The Pharmaceutical Industry

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Gland Box Seal Type : Bushing
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Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Reactor Manhole Pn1.6 - Chemical Industry Standard

Reactor Manhole Pn1.6 - Chemical Industry Standard

US $ 580-680 / Piece FOB
1 Piece (MOQ)
More
Main Products: Coal Gate
Contact Supplier
Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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About Welding Manhole FAQ

  • QWhat advantages come with sourcing flanges through wholesale channels?

    Our Welding Manhole offers exceptional quality and style within the Flange category.Streamlining your procurement process by sourcing flanges through wholesale channels offers benefits such as cost efficiency, bulk discounts, and simplified supply chain management. Partnering with an established supplier will ensure timely delivery and consistent product quality.

  • QHow can I locate trustworthy suppliers for flanges in China?

    Our Welding Manhole offers exceptional quality within the Flange category.To find reputable suppliers in China, utilize online sourcing platforms, attend industry exhibitions, and network with professional associations. Conduct thorough background checks, request samples, and scrutinize certifications to ensure supplier credibility and product quality.

  • QWhat materials are commonly used in the manufacture of flanges?

    The Welding Manhole is a top choice in our Flange collection.Flanges are often crafted from materials like stainless steel, carbon steel, and alloy steel. Each material offers varying levels of strength, corrosion resistance, and compatibility. Reach out to a professional supplier for specific material recommendations based on your project requirements.

Food Grade Stainless Steel Pressure Manhole

Food Grade Stainless Steel Pressure Manhole

US $ 50-60 / Piece FOB
1 Piece (MOQ)
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Connection : Welding
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Audited Supplier
DEYI Equipment Industries Limited

Zhejiang, China Since 2014
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SS304 Food Tank Manhole Cover: Full Sight Glass Lid, Excellent Quality

SS304 Food Tank Manhole Cover: Full Sight Glass Lid, Excellent Quality

US $ 50 / Piece FOB
1 Piece (MOQ)
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Main Products: Flange, Valve
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Audited Supplier
Xingsheng Mechanical Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2019
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Stainless Steel Sanitary Grade Round Pressure Manhole with Sight Glass (JN-ML1006)

Stainless Steel Sanitary Grade Round Pressure Manhole with Sight Glass (JN-ML1006)

US $ 5-30 / Piece FOB
5 Pieces (MOQ)
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Surface Treatment : Without Treatment
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Wenzhou Joneng Valves Co., Limited

Zhejiang, China Since 2014
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Ship Manhole Type a Explosion-Proof Manhole Class600

Ship Manhole Type a Explosion-Proof Manhole Class600

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Main Products: Coal Gate
Contact Supplier
Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Sanitary Stainless Steel Food Grade 304 304L 316L Tank Circular Non-Pressure Manhole Cover

Sanitary Stainless Steel Food Grade 304 304L 316L Tank Circular Non-Pressure Manhole Cover

US $ 66 / Piece FOB
1 Piece (MOQ)
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Material : Stainless Steel
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Wenzhou Longva Light Industrial Machinery Co., Ltd.

Zhejiang, China Since 2011
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Desulfurization Tower Manhole DN500 - Resistant to Acid and Alkali Corrosion

Desulfurization Tower Manhole DN500 - Resistant to Acid and Alkali Corrosion

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Main Products: Coal Gate
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Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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Atmospheric Pressure Manhole Maintenance Opening for Petrochemical Containers

Atmospheric Pressure Manhole Maintenance Opening for Petrochemical Containers

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Type : Gland Box
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Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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ASME Class 300 Pressure Rated Manhole

ASME Class 300 Pressure Rated Manhole

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Main Products: Coal Gate
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Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Sanitary SS304 Stainless Steel Normal Pressure Round Manhole for Fermentation Tank

Sanitary SS304 Stainless Steel Normal Pressure Round Manhole for Fermentation Tank

US $ 106.32 / Piece FOB
10 Pieces (MOQ)
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Connection : Welding
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Audited Supplier
DEYI Equipment Industries Limited

Zhejiang, China Since 2014
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The Manhole of The Vertical Hanging Cover Pn0.6 Complies with The Hg 21603 Sealing Design for Storage Tanks

The Manhole of The Vertical Hanging Cover Pn0.6 Complies with The Hg 21603 Sealing Design for Storage Tanks

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Main Products: Coal Gate
Contact Supplier
Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
304 Stainless Steel Manhole DN400

304 Stainless Steel Manhole DN400

US $ 580-680 / Piece FOB
1 Piece (MOQ)
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Gland Box Seal Type : Bushing
Contact Supplier
Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Low-Temperature Manhole -196º C - Specifically Designed for Liquid Nitrogen Equipment

Low-Temperature Manhole -196º C - Specifically Designed for Liquid Nitrogen Equipment

US $ 580-680 / Piece FOB
1 Piece (MOQ)
More
Main Products: Coal Gate
Contact Supplier
Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Emergency Pressure Relief Manhole - Safety Valve Integration

Emergency Pressure Relief Manhole - Safety Valve Integration

US $ 580-680 / Piece FOB
1 Piece (MOQ)
More
Certification : GS, CE, RoHS, ISO 9001
Contact Supplier
Audited Supplier
Hebei Bairun Electric Power Machinery Equipment Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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