TOBO STEEL GROUP CHINA
| Delivery Time | 7-30 days |
| Flange Type | Expander Flange / Orifice Flange with pressure tap holes |
| Pressure Rating | Class 150 to Class 2500 |
| Design Standard | ASME B16.36 (orifice) / ASME B16.5 (expander) |
| Material Grade | A105 / F304 / F316 / F11 |
| Seal Face | RF / RTJ |
| Packaging Details | Plywood cases or customized |
| Payment Terms | L/C,T/T,Western Union |
| Product Name | Expander Orifice Forged Steel Flange |
| Usage | Flow metering runs and pipe size transition connections |
| Supply Ability | 50 Metric Ton/Metric Tons per Month |
| Testing | Fully hydrostatic tested, 100% of production |
| Place of Origin | China |
| Brand Name | TOBO |
| Certification | ISO9001:2015; SGS/BV/ABS/LR/TUV/DNV/API/PED available |
| Model Number | ASME B16.36 / B16.5 |
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Product Specification
| Delivery Time | 7-30 days | Flange Type | Expander Flange / Orifice Flange with pressure tap holes |
| Pressure Rating | Class 150 to Class 2500 | Design Standard | ASME B16.36 (orifice) / ASME B16.5 (expander) |
| Material Grade | A105 / F304 / F316 / F11 | Seal Face | RF / RTJ |
| Packaging Details | Plywood cases or customized | Payment Terms | L/C,T/T,Western Union |
| Product Name | Expander Orifice Forged Steel Flange | Usage | Flow metering runs and pipe size transition connections |
| Supply Ability | 50 Metric Ton/Metric Tons per Month | Testing | Fully hydrostatic tested, 100% of production |
| Place of Origin | China | Brand Name | TOBO |
| Certification | ISO9001:2015; SGS/BV/ABS/LR/TUV/DNV/API/PED available | Model Number | ASME B16.36 / B16.5 |
| High Light | Expander Forged Steel Flanges ，Orifice Expander Flange Types ，Hydrostatic Tested Expander Flange | ||
Expander and orifice forged steel flanges are specialized components designed to address two critical applications that standard flanges cannot handle: smooth pipe size transitions and flow measurement integration.
Expander forged steel flanges facilitate seamless connections between smaller and larger pipelines with smooth internal transitions, making them ideal for pump suction systems, control valve bypasses, and meter stations. Orifice forged steel flanges incorporate pressure tap holes and securely hold orifice plates used by flow computers for accurate flow rate measurement.
Both flange types undergo comprehensive hydrostatic testing in our workshop, ensuring reliability for measurement and safety-critical installations. Our expander and orifice forged steel flanges are precision-machined from forged and heat-treated blanks, manufactured to ASME B16.36 standards for orifice flanges and ASME B16.5 for expander flanges.
Orifice flanges can be supplied complete with orifice plates, jacking screws, and pressure taps ready for immediate installation. All tap hole positions are drilled and verified according to your specific metering requirements. Every flange in this product range undergoes 100% hydrostatic testing and is accompanied by comprehensive test reports and material certification.
| Design Standard | ASME B16.36 (orifice flanges), ASME B16.5 (expander flanges) |
|---|---|
| Pressure Rating | Class 150 to Class 2500 |
| Size Range | 1/2" to 24" (DN15 to DN600) |
| Orifice Options | Pressure tap holes, jacking screws, orifice plate, drain/vent |
| Materials | A105, F304, F316, F11, F22 |
| Seal Face | RF / RTJ |
| Testing | 100% hydrostatic test, dimensional inspection report |
| Documentation | EN 10204 3.1 material certificate |
Given the dimensional criticality of expander and orifice forged steel flanges, each unit undergoes thorough inspection against relevant standard specifications and customer drawings prior to testing. Orifice flange tap hole positions are verified using coordinate measurement technology, ensuring precision alignment.
Every expander and orifice forged steel flange undergoes comprehensive hydrostatic testing with detailed recorded test reports. Our extensive experience supplying these specialized components to metering skid builders and pipeline contractors is supported by complete documentation packages that provide full traceability for project acceptance and regulatory compliance.
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company,Seller
Year Established:
1998
Total Annual:
100000-100000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ... TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ...
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