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The Stainless Steel Thread Class150 Cross is a robust 4-way pipe fitting designed for branching fluid flow in medium-pressure industrial systems. With a Class150 pressure rating, it safely handles water, oil, gas, and acidic media, making it essential for petroleum, chemical, construction, and environmental protection industries. Its investment-cast body and CNC-machined female thread ensure precise alignment and long-term durability, even in high-demand operations.
Specification Category | Details |
Size Range | DN6 ~ DN100 (1/8” ~ 4”) |
Pressure Rating | Class150 (optimized for industrial medium-pressure applications) |
Material Grades | SS304 (CF8, SUS304, 1.4308), SS316 (CF8M, SUS316, 1.4408), SS304L, SS316L |
Thread Type | Female (Inside Thread): BSPT, BSPP, NPT, DIN259/2999, ISO228 |
Manufacturing Standards | GB/T26120, MSS SP43, ISO 4144 |
Surface Treatment | Investment casting + CNC machining (no extra coating needed for corrosion resistance) |
Application Media | Water, Oil, Gas, Acid |
HS Code | 7307220000 |
The Class150 pressure rating ensures the fitting withstands medium-pressure conditions (common in petroleum pipelines and chemical reactors), preventing bursts and ensuring operational safety—critical for high-risk industries.
As a cross fitting, it enables 4-directional pipe connections without restricting flow. The female thread (machined to ISO standards) ensures tight seals, avoiding pressure drops and optimizing system efficiency.
Offering SS304L and SS316L (low-carbon stainless steel), the fitting resists intergranular corrosion—ideal for high-temperature or acidic environments like wastewater treatment plants and pharmaceutical facilities.
Every Stainless Steel Thread Class150 Cross meets strict quality benchmarks:
Certifications: ISO9001:2015, CE, GB/T19001-2016 (compliant with Chinese and international standards)
Test Reports: EN 10204/3.1B-MTC, Raw Materials Certificate, Third Party Inspection Report, Airtight Leak Test Report
Quality Checks: Spectrometer (material composition testing), calipers (thread dimension verification), pressure test tools (endurance testing)

OEM Service: Supported (customized per customer drawings for non-standard pipe systems)
MOFlexible (adjusted to customer requirements, from small batches to bulk)
Free Samples: Provided (express delivery fee borne by the customer)
Quotation Time: 1 hour for regular sizes; 1 day for non-standard designs
Delivery Time: 3~7 days (regular); 25 days (non-standard)
Payment Terms: 30% TT Advance + 70% TT Before Delivery (supports wire transfer, Western Union, Alibaba Credit Guarantee, Paypal)
Shipping Terms: EXW, FOB, CFR, CIF (land/sea/air transport + international express like DHL/UPS/FedEx)
We use calipers/meter sticks (size), thickness meters (wall thickness), spectrometers (PMI tests), airtight equipment (leakage), and pressure tools (endurance).
Yes, factory visits are welcome. We provide transparent access to production lines to build trust in our manufacturing processes.
Yes. SS304/SS316 materials resist outdoor weathering (rain, humidity), making it perfect for construction-site plumbing and gas pipelines.





The Stainless Steel Thread Class150 Cross is a robust 4-way pipe fitting designed for branching fluid flow in medium-pressure industrial systems. With a Class150 pressure rating, it safely handles water, oil, gas, and acidic media, making it essential for petroleum, chemical, construction, and environmental protection industries. Its investment-cast body and CNC-machined female thread ensure precise alignment and long-term durability, even in high-demand operations.
Specification Category | Details |
Size Range | DN6 ~ DN100 (1/8” ~ 4”) |
Pressure Rating | Class150 (optimized for industrial medium-pressure applications) |
Material Grades | SS304 (CF8, SUS304, 1.4308), SS316 (CF8M, SUS316, 1.4408), SS304L, SS316L |
Thread Type | Female (Inside Thread): BSPT, BSPP, NPT, DIN259/2999, ISO228 |
Manufacturing Standards | GB/T26120, MSS SP43, ISO 4144 |
Surface Treatment | Investment casting + CNC machining (no extra coating needed for corrosion resistance) |
Application Media | Water, Oil, Gas, Acid |
HS Code | 7307220000 |
The Class150 pressure rating ensures the fitting withstands medium-pressure conditions (common in petroleum pipelines and chemical reactors), preventing bursts and ensuring operational safety—critical for high-risk industries.
As a cross fitting, it enables 4-directional pipe connections without restricting flow. The female thread (machined to ISO standards) ensures tight seals, avoiding pressure drops and optimizing system efficiency.
Offering SS304L and SS316L (low-carbon stainless steel), the fitting resists intergranular corrosion—ideal for high-temperature or acidic environments like wastewater treatment plants and pharmaceutical facilities.
Every Stainless Steel Thread Class150 Cross meets strict quality benchmarks:
Certifications: ISO9001:2015, CE, GB/T19001-2016 (compliant with Chinese and international standards)
Test Reports: EN 10204/3.1B-MTC, Raw Materials Certificate, Third Party Inspection Report, Airtight Leak Test Report
Quality Checks: Spectrometer (material composition testing), calipers (thread dimension verification), pressure test tools (endurance testing)

OEM Service: Supported (customized per customer drawings for non-standard pipe systems)
MOFlexible (adjusted to customer requirements, from small batches to bulk)
Free Samples: Provided (express delivery fee borne by the customer)
Quotation Time: 1 hour for regular sizes; 1 day for non-standard designs
Delivery Time: 3~7 days (regular); 25 days (non-standard)
Payment Terms: 30% TT Advance + 70% TT Before Delivery (supports wire transfer, Western Union, Alibaba Credit Guarantee, Paypal)
Shipping Terms: EXW, FOB, CFR, CIF (land/sea/air transport + international express like DHL/UPS/FedEx)
We use calipers/meter sticks (size), thickness meters (wall thickness), spectrometers (PMI tests), airtight equipment (leakage), and pressure tools (endurance).
Yes, factory visits are welcome. We provide transparent access to production lines to build trust in our manufacturing processes.
Yes. SS304/SS316 materials resist outdoor weathering (rain, humidity), making it perfect for construction-site plumbing and gas pipelines.




