Factory Free sample Redvalve Rubber Expansion Joint - A-8 ~Standard Flanges – Lide

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Factory Free sample Redvalve Rubber Expansion Joint - A-8 ~Standard Flanges – Lide Detail:

Our available goods

The elastomers are assembled with the mating flanges, with different standards and different pressures. Sometimes, buyers need us to buy for them, shipped together with rubber joints. Below is the flange standards which we can supply:

1) ANSI B16.5, ASME B16.47 FLANGE
Design: welding neck, slip on, blind, socket welding, threaded, lap-joint
Pressure: 150#, 300#, 600#,900#,1500#,
Wall thickness for welding neck flange: STD, SCH40, SCH80, SCH160. SCHXXS
Material: carbon steel A105, stainless steel  304/304L, 316/316L
Coating: painted, anti-rust oil, electroplating
Package: seaworthy plywooden case, wooden pallet
 
2) EN1092-1 FLANGE
Size range: DN15 to DN2000
Design: type01 plate flange, type02 loose flange, type05 blind flange, type11 welding necking
              type12 slip on flange, type 13 threaded flange
Pressure: PN6, PN10, PN16, PN25, PN40, PN64, PN100
Material: carbon steel, stainless steel 304/304L, 316/316L
Coating: painted, anti-rust oil, electroplating
Package: sea worthy plywooden case, wooden pallet
 
3) DIN FLANGE
Size range: DN15 to DN2000
Design: slip on flange DIN2573,2576,2502,2503, 2543,2545
             welding neck flange DIN2631, 2632,2633,2634,2635
              blind flange DIN 2527 PN6, PN10, PN16, PN25, PN40
              threaded flange DIN2565,2566,2567,2567
              loose flange DIN 2641,2642,2656,2673
Material: carbon steel, stainless steel 304/304L, 316/316L
Coating: painted, anti-rust oil, electroplating
Package: sea worthy plywooden case, wooden pallet
 
4) GOST FLANGE
Size range: DN15 to DN 2000
Design : plate falnge 12820-80, welding neck flange 12821-80
Pressure: PN6, PN10, PN16, PN25, PN40
Material: carbon steel, stainless steel 304/304L, 316/316L
Coating: painted, anti-rust oil, electroplating
Package: sea worthy plywooden case, wooden pallet
 
5) JIS B2220 FLANGE
Size range : 15A to 2000A
Design: SOP, BIND, SOH,
Pressure: 1K, 2K, 5K, 10K, 16K, 20K, 30K, 40K
Material: carbon steel, stainless steel 304/304L, 316/316L
Coating : painted, anti-rust oil, electroplating
Packing: sea worthy plywooden case, wooden pallet

Our production process quality control

We treasure process quality control, there is very strict operation specification each process, which can ensure the goods quality:

1.    We use electronic weigher to weigh the weight of ingredients, the precision of weight is gram. So there is no surplus compounds elements;

2.    1.) By controlling material temperature and mixing time in the mixer machine, we can get qualified rubber mixed  composites.

      2) The calender process is the more critical phase, large steel rollers force rubber composites into smooth rubber sheets.

      3)The rubber sheets produced every day must be finished within the same day, we can ensure no rubber sheet remainder each day.

      4) All rubber sheets have passed the test of curometer.

production-process

3.  Adding adhesion agent in the mixture of rubber and nylon tire cord, then the rubber and nylon tire cord can be adhered together and turn into the integral. After vulcanization, all the rubbers are adhered tightly, it is very difficult to delaminate.

Below is the pictures of plastic sheet combined with rubber and nylon tire cord:

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4. In wrapping process: all the elastomer constructions are made by hand-built and machine. After hand-builting, the underneath pressing roller moves along the elastomer body and compact the rubber sheets. There are two main functions of the roller, one is compacting the rubber sheets and making the rubber sheets more bonded, the other one is extruding air between rubber films. So it is very difficult to generate blisters and delamination after vulcanization.

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5. After vulcanization, there are 4 inspection processes: first qualified products inspection, trimming, assembling process, inspection for finished goods, if the goods with blisters are found then scrap.

Our certificates

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Our workshop

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Our Test instruments

Hot-aging oven

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Electronic Universal testing machine

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hydrostatic test

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Rotorless Vulcanizer

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Low Temperature Testing Oven

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Digital  density balance

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FAQ

1.  Does the company accept to show buyer’s logo?

Yes, we can accept buyer’s logo or their trademark.

2.  What is the material of the products?

The flange materials are carbon steel and stainless steel, the materials of rubber elastomer are EPDM/NBR/SBR/NR/Butyl/Neo/Lined with PTFE.

3.  Does the company have approvals or certificate? If yes, what are they?

Yes, we have approvals, such as CE, Wras,ACS, ISO9001 certificate.

4.  What is the average lead time for delivery?

Our average lead time for delivery is between 3-4 weeks, from getting deposit or getting copy of LC.

5.  Does the company have the minimum order quantity requirement? If yes, What is it?

We accept minimum order quantity with 1 full pallet.

6.  What is the acceptable payment method?

We can accept T/T, L/C and D/P. Any other different payment method, we can talk further.

7.  Does the company have their own brand?

Yes, we have our own brand, LD logo.

8.  What is the advantage of the price-quality ratio?

Yes, the price of our goods is more competitive, it is much cheaper, but the quality is much better.

9.  Does the company have product liability insurance?

Yes, we can supply if required.

10. Does the company accept to OEM brand?

Yes, we can accept buyer’s logo or their trademark.

11. Does the company accept to supply samples?

Yes, we can accept samples, by DHL or other courier express.


Product detail pictures:

Factory Free sample Redvalve Rubber Expansion Joint - A-8 ~Standard Flanges – Lide detail pictures

Factory Free sample Redvalve Rubber Expansion Joint - A-8 ~Standard Flanges – Lide detail pictures

Factory Free sample Redvalve Rubber Expansion Joint - A-8 ~Standard Flanges – Lide detail pictures

Factory Free sample Redvalve Rubber Expansion Joint - A-8 ~Standard Flanges – Lide detail pictures


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