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high quality nbr material rubber expansion joint rubber ball valve

  • EXW Price: Min. order:
    CN¥ 825.51
    10 piece
  • 10 piece
  • Weight 0.245 kg/piece
  • mixed wholesale
  • Specifications
    rubber joint * nitrile rubber * 50mm CN¥ 0.0
    rubber joint * nitrile rubber * 14mm CN¥ 0.0
    rubber joint * nitrile rubber * 30mm CN¥ 0.0
    rubber joint * nitrile rubber * 10mm CN¥ 0.0
    rubber joint * nitrile rubber * 12mm CN¥ 0.0
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Allen Water Heating 9yr.

Contacts Allen Chat

Mobile 86-15267973249

E-mail 646722115@qq.com

15068986842

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Yiwugo official customer service X

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Email: yiwubuy@yiwugo.com

  • Description
custom service: oem, odm, obm
custom service: oem, odm, obm
origin: shandong, china
origin: shandong, china
model: 2 "-24"
model: 2 "-24"
craft: rubber
craft: rubber
connectivity: flange
connectivity: flange
shape: equal diameter
shape: equal diameter
head shape: round
head shape: round
surface treatment: smooth, hot dip galvanized
surface treatment: smooth, hot dip galvanized
mounting hole diameter: inch
mounting hole diameter: inch
pipeline grade: not rated
pipeline grade: not rated
product name: high quality rubber expansion joint nbr material
product name: high quality rubber expansion joint nbr material
keywords: rubber expansion joint
keywords: rubber expansion joint
flange plate: walker cloth
flange plate: walker cloth
standard: german din
standard: german din
pressure: pn16
pressure: pn16
material: nitrile rubber
material: nitrile rubber
color: black
color: black
application: oil
application: oil



1. Raw materials
1. Use high-quality raw materials from large enterprises and hold an ISO certificate
2. Maintain MTC
3. Arrange the inspection for chemical and mechanical properties, then store the materials in the warehouse, preparing for cutting.
4. Cutting and forging preparation
2. Martial Arts
1. Heating
2. Thermoforming and Forging
3. Heat treatment
4. Manufacturing process testing: chemical and mechanical tests, samples are retained for each furnace cycle.
3. Rough processing and CNC finishing
1. After forging and heat treatment, proceed with processing.
2. The maximum diameter we can process is 6000 millimeters.
3. After rough processing, we will conduct non-destructive testing (NDT) and ultrasonic flaw detection (UT) tests to ensure the quality of the forgings meets standards.
4. Then drill a hole
5. After drilling is completed, conduct dimensional inspection, 100% inspection.
4. PT and MT
After the dimensional inspection is completed, we will arrange PT (penetration testing) and MT (magnetic particle testing).
5. Inspection
During the marking process, 10% of the samples will be selected for further size inspection.
2. Welcome to our factory for inspection or to book third-party inspection services.
6. Marking
1. Mark according to standards or client requirements. OEM services are also available.
2. After marking, perform cleaning and coating procedures.
7. Coating
1. If it is made of stainless steel, no additional coating is required after cleaning.
2. If it is carbon steel, we can arrange different coatings according to the customer’s requirements.
Anti-rust oil, paint, epoxy resin coating, hot-dip galvanized coating, PTFE lining, etc.
8. Packaging and Shipping
1. All stainless steel flanges are packaged in plywood boxes
2. For carbon steel flanges with dimensions of 8 inches or less, they will also be packaged in plywood boxes. However, for larger sizes, they will be packaged in plywood pallets.
3. The delivery deadline can be EXW, FCA, FOB, CIF, DDU, DDP, etc.
4. Provide MTC, test reports, and NACE certificate upon delivery
5. Mark shipments according to the purchase order

Update time:20260814130641


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