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Product Categories
- Scaffolding
-
- Ringlock Scaffolding
- Tube and Coupler System
- Frame Scaffolding
- Kwikstage Scaffolding
- Cuplock Scaffolding
- American Style Scaffolding
- American Scaffolding
- Cuplock System Frame System Scaffold Deck Tube & Clamp Multi-function Scaffold
- Scaffolding Planks
- Scaffolding Screw Jack
- Shoring Prop
- Ladders and Staircases
- Ladder Beam
- Scaffolding Accessories
- More Scaffolding
- Steel Prop Scaffold Clamps Kwikstage System Ringlock Scaffold System Base Jack Frame Scaffold System Screw Jack
- Steel Pipe
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- Galvanized Steel Pipe
- Pre Galvanized Steel Pipe
- Square Steel Tubing
- Rectangular Steel Tubing
- Seamless Steel Pipe
- ERW Steel Pipe
- LSAW Steel Pipe
- SSAW Steel Pipe
- Pipe Fittings & Flanges
- Stainless Steel Pipe
- Stainless Steel Welded Pipe Stainless Steel Seamless Pipe
- More Steel Tube
- Pre Galvanized Steel Tube Square Steel Pipe Rectangular Steel Pipe ERW Steel Tube LSAW Steel Tube SSAW Steel Tube
Lap joint flanges are also known as Backup flanges, Loose Ring flanges, Loose Hubbed flanges, and Van Stone flanges. Lap joint flanges are suitable for piping systems, allowing easy disassembly, while rolled angle rings are suitable for structural applications to create curved or rounded shapes within various structures.
Different countries have different standad, here is the details about American standard, German standard, Japanese standard and national standard.
| American Standard Series | ||
| Standard | Size range | Pressure grade |
| ANSI B 16.5(88) | 1/2"-24" | Class 150、300、600、900、1500、2500 |
| ANSI B 16.47(90 | 26"-60" | Class 150、300、600、900 |
| ASME B 16.5(96) | 1/2"-24" | Class 150、300、600、900、1500、2500 |
| ISO7005-1(92) | 1/2"-24" | PN2.0 5.0 11.0 15.0 26.0 42.0 |
| BS4504-3.1(89) | 1/2"-24" | Class 150、300、600、900、1500、2500 |
| JPI 7S-15-93 | 1/2"-24" | Class 150、300、600、900、1500、2500 |
| NF E29-203 | 1/2"-24" | PN2.0 5.0 11.0 15.0 26.0 42.0 |
| API605-81 | 26"-60" | Class 150、300、600 |
| ASME B 16.36(96) | 1"-24" | Class 300、400、600、900、1500、2500 |
| German Standard Series | ||
| Standard | Size range | Pressure grade |
| DIN 2630 WN | DN1200-DN2400 | 1 Bar |
| DIN 2631 WN | DN10-DN3600 | 6 Bar |
| DIN 2632 WN | DN200-DN3000 | 10 Bar |
| DIN 2633 WN | DN10-DN2000 | 16 Bar |
| DIN 2634 WN | DN200-DN1000 | 25 Bar |
| DIN 2635 WN | DN10-DN500 | 40 Bar |
| DIN 2636 WN | DN10-DN400 | 64 Bar |
| DIN 2637 WN | DN10-DN350 | 100 Bar |
| DIN 2638 WN | DN10-DN300 | 160 Bar |
| DIN 2573 PL | DN10-DN500 | 6 Bar |
| DIN 2576 PL | DN10-DN500 | 10 Bar |
| DIN 2527 PL | DN10-DN500 | 6 10 16 25 40 Bar |
| DIN 2501 WN | DN15-DN500 | 10 16 25 40 63 100 160 250 320 400 Bar |
| DIN 2566 TH | DN15-DN500 | 10 16 Bar |
| DIN 2655 PL | DN15-DN500 | 0.25 0.6 1.0 1.6 2.5 4.0 Bar |
| DIN 2656 PL | DN15-DN500 | 0.25 0.6 1.0 1.6 2.5 4.0 Bar |
| Japanese Standard Series | ||
| Standard | Size range | Pressure grade |
| JIS B 2220 PL | DN10-DN400 | 5K |
| JIS B 2220 SO | DN450-DN1000 | 5K |
| JIS B 2220 PL | DN10-DN225 | 10K |
| JIS 2220 SO | DN250-DN1000 | 10K |
| JIS 2220 SO | DN10-DN1200 | 16K 20K 30K |
| JIS 2220 WN | DN15-DN400 | 30K |
| National Standard Series | ||
| Standard | Size range | Pressure grade |
| GB/T 9112-9113.4-2000 | DN10-DN2000 | PN 0.25 0.6 1.0 2.5 4.0 6.3 10.0 16.0 Mpa |
| JB/T 74-86.2-94 | DN10-DN1600 | PN 0.25 0.6 1.0 2.5 4.0 6.3 10.0 16.0 20.0 Mpa |
| HG 20592-20626-97 | DN10-DN2000 | PN 0.25 0.6 1.0 2.0 2.5 4.0 5.0 6.3 10.0 11.0 |
| 15.0 16.0 25.0 26.0 42.0 Mpa | ||
| SH 3406-96 | DN10-DN1500 | PN 1.0 2.0 5.0 6.8 10.0 15.0 25.0 42.0 Mpa |
| GB/T 17241.1-17241.7 | DN10-DN4000 | PN 0.25 0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa |
| GB/T 15530.1-15530.8 | DN10-DN1800 | PN 0.6 1.0 1.6 2.0 2.5 4.0 5.0 Mpa |
| Power Ministry Series | ||
| Standard | Size range | Pressure grade |
| D-GD86-0510-0537 | DN15-DN2000 | PN 0.25 0.6 1.0 1.6 2.5 4.0 6.4 10.0 Mpa |
| DG0511-0541 | DN15-DN1000 | PN 0.25 0.6 1.0 1.6 2.5 4.0 6.4 10.0 20.0 32.0 Mpa |
| Pressure Vessel Series | ||
| Standard | Size range | Pressure grade |
| JB/T 4701-2000(甲型) | DN300-DN2000 | PN 0.25 0.6 1.0 1.6 10.0 Mpa |
| JB/T 4702-2000(乙型) | DN300-DN3000 | PN 0.25 0.6 1.0 1.6 2.5 4.0 Mpa |
| JB/T 4703-2000(长颈) | DN300-DN2000 | PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa |
| Shipping Series | ||
| Standard | Size range | Pressure grade |
| GB573-581-76 | DN20-DN500 | PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa |
| GB2506-2507-89 | DN10-DN2000 | PN 0.25 0.6 1.0 1.6 2.5 Mpa |
| GB4450-84 | DN20-DN500 | PN 0.6 1.0 1.6 Mpa |
| GB10746-10749-89 | DN10-DN600 | PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa |
ADTO Industrial Group, Co., Limited, founded in 1998, ADTO is a leading building material supplier and manufacture in China, centering on R&D, producing and selling of building material of scaffolding, aluminum formwork, fastener and coupler, integrates business of steel, logistic and wire & cables service. The group has more than 10 subdivisions and four manufacturing bases, possessing the right to import and export with business coverages spanning over more than 50 places and areas. Over 5000 international big buyers keep ADTO as their long term business partner.
1. Experience: Founded in 1998, more than 17 years in construction materials manufacturing
2. Product Idea: Quality decided to safety, safety is the hard truth.
3. Certifications: ISO, CE, SGS, BV
4. Production base: Four factories, more than 400,000 square meters
5. OEM or Customized Service is available.
Person: Ms Zheng
Email: Info@adtomall.com
Skype: ADTOMall
Address: HuNan,China
More detail, welcome to send inquiry.