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{"title":"Hydrostatic Pressure Tested Stainless Steel Butt Weld Equal Tee ASME B16.9 SCH40","imgUrl":"https:\/\/img.chinax.com\/nimg\/0e\/c0\/b2d0b251510731d05eb1bd69baf2-200x200-1\/hydrostatic_pressure_tested_stainless_steel_butt_weld_equal_tee_asme_b16_9_sch40.jpg","attrs":{"Brand Name":"WNRLN","Place of Origin":"Zhejiang, China","Standard":"ASME B16.9, ASTM A403","Certification":"EN 10204 3.1 MTR, Hydrostatic Test Report"}}
{"title":"1-48 inch SCH10-XXS A403 WP321 Stainless Steel Pipe Tee ISO9001 \/ ISO9000","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/b0\/f3f612b2ee004bd5895087e9da96-200x200-1\/1_48_inch_sch10_xxs_a403_wp321_stainless_steel_pipe_tee_iso9001_2f_iso9000.jpg","attrs":{"Brand Name":"TOBO","Model Number":"Seamless or weld","Certification":"SGS\/BV\/ABS\/LR\/TUV\/DNV\/BIS\/API\/PED","Place of Origin":"China"}}
{"title":"A403 WP321 321H WP347 Stainless Steel Tee , Thickness 5s - Xxs","imgUrl":"https:\/\/img.chinax.com\/nimg\/ac\/be\/01e81d8317930e692ef5d064c522-200x200-1\/a403_wp321_321h_wp347_stainless_steel_tee_2c_thickness_5s_xxs.jpg","attrs":{"Brand Name":"TOBO","Model Number":"Seamless or weld","Certification":"SGS\/BV\/ABS\/LR\/TUV\/DNV\/BIS\/API\/PED","Place of Origin":"China"}}
{"title":"316 & 316L Stainless Steel Tee \/ Butt welding fittings 1\/2 - 72 inch","imgUrl":"https:\/\/img.chinax.com\/nimg\/58\/66\/9178df1cb3c61fe24c07d42d2d06-200x200-1\/316_26_316l_stainless_steel_tee_2f_butt_welding_fittings_1_2f2_72_inch.jpg","attrs":{"Brand Name":"TOBO","Model Number":"Equal Tee","Certification":"SGS\/BV\/ABS\/LR\/TUV\/DNV\/BIS\/API\/PED","Place of Origin":"China"}}
{"title":"Stainless Steel SUS304 Pipe Fittings Equal Tee 10 Inch ASME B16.9 3 Way","imgUrl":"https:\/\/img.chinax.com\/nimg\/a0\/f2\/dead89aff80ab9b346cbd2f9f967-200x200-1\/stainless_steel_sus304_pipe_fittings_equal_tee_10_inch_asme_b16_9_3_way_connector.jpg","attrs":{"Brand Name":"TOBO","Model Number":"TOBO-Elbow","Certification":"SGS\/BV\/ABS\/LR\/TUV\/DNV\/BIS\/API\/PED","Place of Origin":"China"}}
{"title":"ASME B16.9 A403 WP316L Butt Welding 6" Sch10s Stainless Steel Tee Pipe Fitting","imgUrl":"https:\/\/img.chinax.com\/nimg\/74\/40\/b4e8d886eab45f3e2227c03ae8c4-200x200-1\/asme_b16_9_a403_wp316l_butt_welding_6_22_sch10s_stainless_steel_tee_pipe_fitting.jpg","attrs":{"Brand Name":"TOBO","Model Number":"TOBO-Elbow","Certification":"SGS\/BV\/ABS\/LR\/TUV\/DNV\/BIS\/API\/PED","Place of Origin":"China"}}
{"title":"seamless Stainless Steel Tee , single slit pipe wall thickness 1 \/ 2 " NPS Sch5S","imgUrl":"https:\/\/img.chinax.com\/nimg\/76\/dd\/13764087fd26df7946dc1f4300c3-200x200-1\/seamless_stainless_steel_tee_2c_single_slit_pipe_wall_thickness_1_2f_2_22_nps_sch5s_to_24_22od_x30mm.jpg","attrs":{"Brand Name":"TOBO","Model Number":"Tee","Certification":"SGS\/BV\/ABS\/LR\/TUV\/DNV\/BIS\/API\/PED","Place of Origin":"China"}}
The Hydrostatic Pressure Tested Stainless Steel Butt Weld Equal Tee is manufactured to ASME B16.9 dimensional standards and undergoes rigorous hydrostatic pressure testing to verify structural integrity and leak-tight performance. Each fitting is individually subjected to hydrostatic test pressure of 1.5 times the design pressure rating, held for a minimum duration per applicable code requirements.
This hydrostatic pressure tested stainless steel butt weld equal tee is available in multiple grades including WP304, WP304L, WP316, WP316L, WP321, and WP347, with SCH40 wall thickness offering an optimal balance of pressure capacity and material economy for general industrial piping systems. The comprehensive testing protocol includes visual inspection, dimensional verification, and hydrostatic pressure testing certified with material test reports (MTR EN 10204 3.1) for complete traceability.
Technical Specifications
Parameter
Specification
Standard
ASME B16.9, ASTM A403
Material Options
WP304, WP304L, WP316L, WP321, WP347, S31803
Type
Equal Tee (Straight Tee)
Size Range
1/2" - 24" (DN15 - DN600) Seamless
Wall Thickness
SCH40 / SCH40S
Pressure Testing
Hydrostatic Test 1.5x Design Pressure, Per ASME B31.3
Minimum 30 seconds for sizes up to 2", 60 seconds for 2.5"-8", 120 seconds for 10" and above
Certification
EN 10204 3.1 MTR, Hydrostatic Test Report, NDT Reports Available
Key Advantages & Application Fields
Verified Leak-Tight Performance: Each hydrostatic pressure tested stainless steel butt weld equal tee is individually pressurized and inspected, ensuring zero leakage at certified test pressures before shipment
Full Material Traceability: Complete documentation package includes EN 10204 3.1 material test certificate, hydrostatic test report, and heat number traceability for every fitting
Oil & Gas Pipeline Systems: Suitable for upstream, midstream, and downstream hydrocarbon transport requiring pressure-tested integrity verification
Power Generation Plants: Ideal for high-reliability piping systems in thermal, nuclear, and combined-cycle power facilities with stringent testing requirements
Water Treatment & Desalination: Provides assured leak-tight performance in RO desalination plants and municipal water treatment high-pressure piping networks
Industrial Process Piping: Meets demanding requirements for steam, compressed air, and process fluid distribution systems in manufacturing facilities
Frequently Asked Questions
Q: What hydrostatic test pressure is applied to your stainless steel butt weld equal tees?
A: Our hydrostatic pressure tested stainless steel butt weld equal tee fittings are tested at 1.5 times the maximum allowable working pressure (MAWP) for the given material grade, size, and wall thickness class per ASME B31.3 requirements. For a typical SCH40 WP316L tee, the hydrostatic test pressure is calculated based on the material's allowable stress at test temperature. We strictly follow ASME B16.9 and B31.3 testing protocols. Each tee is pressurized, held for the code-specified duration, and visually inspected for any leakage or deformation. Factory test certificates documenting the actual test pressure, duration, and results are provided with each shipment.
Q: Does hydrostatic testing affect the material properties of stainless steel tees?
A: Properly conducted hydrostatic pressure testing of stainless steel butt weld equal tee fittings does not adversely affect material properties. Hydrostatic testing uses water as the test medium, and the test pressure is maintained within the elastic range of the material. For austenitic stainless steel grades like WP304L and WP316L, the 1.5x design pressure typically remains well below the yield strength at ambient temperature. Post-test drainage and drying procedures prevent water staining or microbiologically influenced corrosion. Our hydrostatic pressure tested tees are thoroughly dried after testing and protected with appropriate surface preservation treatments before packaging.
Q: Can you provide NDT in addition to hydrostatic testing for stainless steel butt weld tees?
A: Yes, beyond the standard hydrostatic pressure testing, we offer supplementary non-destructive testing (NDT) for stainless steel butt weld equal tee fittings. Available NDT methods include radiographic testing (RT), ultrasonic testing (UT), dye penetrant testing (PT), magnetic particle testing (MT), and positive material identification (PMI). These additional tests can be specified at the time of order and are performed by certified NDT Level II/III inspectors. Combined with hydrostatic pressure testing and EN 10204 3.1 material certification, our comprehensive quality assurance program provides complete confidence in product integrity for critical service applications.
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 ...
