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{"title":"316 Stainless Steel Flat Bottom Dish with 450mm Diameter and 3.5mm Thick for","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/b5\/235b07eefb36079925f303ce5f65-200x200-1\/316_stainless_steel_flat_bottom_dish_with_450mm_diameter_and_3_5mm_thick_for_pressure_vessel_applications.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"FHB 450\u00d73.5","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"2:1 Stainless Steel Elliptical Dished Head with 600\u00d76 Dimensions and ISO 9001","imgUrl":"https:\/\/img.chinax.com\/nimg\/8a\/e5\/85323c12e8607e7c4ec234201404-200x200-1\/2_3a1_stainless_steel_elliptical_dished_head_with_600_c3_976_dimensions_and_iso_9001_3a2015_certification.jpg","attrs":{"Brand Name":"GJ","Model Number":"EHA 600x6","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"One-Piece Torispherical Heads Suitable for Biopharmaceutical Equipment with","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/70\/5b12e394ed2f90971171c1eb9689-200x200-1\/one_piece_torispherical_heads_suitable_for_biopharmaceutical_equipment_with_internal_polishing_0_4_ce_bcm_and_external_polishing_0.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"THA 700X6","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"External Polished & Brushed Necked Elliptical Head With Bottom Opening For","imgUrl":"https:\/\/img.chinax.com\/nimg\/39\/9b\/71fdbc77235c7ee0fc31f11b11de-200x200-1\/external_polished_26_brushed_necked_elliptical_head_with_bottom_opening_for_cryogenic_storage_tank_equipment.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 1000\u00d75","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"Standard 2:1 Elliptical Head with Inner Surface Polished (Ra \u2264 0.15\u03bcm), Inner","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/36\/9168161fc2a077862524b79ed92e-200x200-1\/standard_2_3a1_elliptical_head_with_inner_surface_polished_28ra_e2_89_a4_0_15_ce_bcm_29_2c_inner_diameter_800mm_for_biopharmaceuti.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 800\u00d76","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"ASME Cold Pressing 1100mm\u00d74mm Torispherical Head with External Surface Polished","imgUrl":"https:\/\/img.chinax.com\/nimg\/b6\/e9\/65594ed2b3290bcd18e48b5b7492-200x200-1\/asme_cold_pressing_1100mm_c3_974mm_torispherical_head_with_external_surface_polished_28ra_e2_89_a4_0_8_ce_bcm_29.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"THA 1100\u00d74","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
Industrial Dewar flask heads,on-board gas cylinder heads,quick-cooling storage tank heads,on-board storage tank heads,heads for food and medical equipment, ,water purification filter pipeline end cap,and heads for magnetic resonance equipment.
Industrial Dewar flask heads,on-board gas cylinder heads,quick-cooling storage tank heads,on-board storage tank heads,heads for food and medical equipment, ,water purification filter pipeline end cap,and heads for magnetic resonance equipment.
Brand Name
Guojiang
Model Number
EHA 650×5
Certification
ASME, PED, GB, ISO
Place of Origin
Henan, China
2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness
650mm diameter, 5mm thickness, cold-formed S31603 stainless steel dished head with RA 0.4 μm precision polishing, specifically engineered for LNG cryogenic tank applications.
Precision Dimensions: 650mm inner diameter with 5mm nominal wall thickness
Premium Material: S31603 stainless steel construction
Surface Finish: RA 0.4μm polishing on both surfaces
Performance: Superior corrosion resistance and reduced fluid resistance
Hygienic: Minimal medium residue for easy cleaning
Manufacturing Processes
Forming Methods:
Hot Forming for thick materials (≥20mm) or high-strength alloys
Cold Forming for thin materials (≤20mm) and stainless steel
Surface Treatment Options:
Oil Coating (food-grade optional)
Sand Blasting (Ra 1.6μm - 3.2μm)
Pickling for passivation film formation
Mechanical/Chemical Descaling
Custom finishes, including mirror polishing (Ra≤0.8μm)
Quality Assurance
Inspection Standards:
PT (Liquid Penetrant Testing)
UT (Ultrasonic Testing)
RT (Radiographic Testing)
MT (Magnetic Particle Testing)
Certifications:
ISO 9001:2015
ASME "U" Stamp
PED Module H Certificate
Applications
Ideal for cryogenic gas cylinders, pressure vessels, nuclear magnetic resonance (NMR), food/pharmaceutical processing, and new energy applications. Market leader in cryogenic dewar heads with over 70% market share in China.
Packaging Options
Wooden Pallets (stackable, ≥1000kg capacity)
Wooden Cases (waterproof, shockproof)
Steel Pallets (for heavy heads ≥500kg)
Custom packaging solutions available
Customized Services
Full customisation of size, material, forming method, and surface treatment
Technical support, including FEA simulation and 2D/3D drawing design
Sample service available (5-10 pieces)
Quick turnaround: 20 days for standard heads, 30 days for custom orders