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{"title":"SUS304 Precision Sealed Head with 800mm Inner Diameter and 4mm Wall Thickness","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/40\/518cdace9c18b4a7966a669da615-200x200-1\/sus304_precision_sealed_head_with_800mm_inner_diameter_and_4mm_wall_thickness.jpg","attrs":{"Brand Name":"GJ","Model Number":"EHA 800\u00d74","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"S30408 Stainless Steel Ellipsoidal Head Cold Pressing Cryogenic Tanker Pressure","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/f1\/6f91edb02f1929d9807e1b209a95-200x200-1\/s30408_stainless_steel_ellipsoidal_head_cold_pressing_cryogenic_tanker_pressure_vessel_heads.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 1700\u00d710","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"High-Precision S30408 Ellipsoidal Head 3300\u00d79 - Stable Pressure-Bearing, Multi","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/89\/fed33f61cee359ca94e8e6c25a92-200x200-1\/high_precision_s30408_ellipsoidal_head_3300_c3_979_stable_pressure_bearing_2c_multi_industry_export_choice.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 3300\u00d79","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"3800 ID S31603 EHA Ellipsoidal Head - Stable Pressure-Bearing, Multi-Industry","imgUrl":"https:\/\/img.chinax.com\/nimg\/aa\/03\/5143ca8a279e5bb5c79d232fedfc-200x200-1\/3800_id_s31603_eha_ellipsoidal_head_stable_pressure_bearing_2c_multi_industry_export_choice.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 3800\u00d718","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"Ellipsoidal Dished Head 2250\u00d712 Internal Top Head for Electronic Industry Gas","imgUrl":"https:\/\/img.chinax.com\/nimg\/31\/62\/85322c124a2d583546b06bbc6fc8-200x200-1\/ellipsoidal_dished_head_2250_c3_9712_internal_top_head_for_electronic_industry_gas_cylinders.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 2250\u00d712","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"Stainless Steel Outer Tank Ellipsoidal Head, Partial Polishing, Size: 2500\u00d76","imgUrl":"https:\/\/img.chinax.com\/nimg\/ff\/34\/6b54c573a86a6ccdb2020822e105-200x200-1\/stainless_steel_outer_tank_ellipsoidal_head_2c_partial_polishing_2c_size_3a_2500_c3_976.jpg","attrs":{"Brand Name":"GJ","Model Number":"EHA 2500\u00d76","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"Stainless Steel Necked-in Ellipsoidal Head for Water Chemical & Oil Tanks, SIZE","imgUrl":"https:\/\/img.chinax.com\/nimg\/db\/68\/1aacd8353398c57a33727b5cfef3-200x200-1\/stainless_steel_necked_in_ellipsoidal_head_for_water_chemical_26_oil_tanks_2c_size_ef_bc_88550_2a4_ef_bc_89.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 550\u00d73","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.
Hot Forming for thick materials (≥20mm) or high-strength alloys
Cold Forming for thin materials (≤20mm) and stainless steel
Surface Treatment Options:
Sand Blasting (Ra 1.6μm - 3.2μm)
Pickling for passivation film formation
Oil Coating (food-grade optional)
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)
TOFD (Time of Flight Diffraction)
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 Cases (waterproof, shockproof)
Steel Pallets (for heavy heads ≥500kg)
Wooden Pallets (stackable, ≥1000kg capacity)
Custom packaging solutions available
Customized Services
Full customisation of size, material, forming method, and surface treatment
Sample service available (5-10 pieces)
Quick turnaround: 20 days for standard heads, 30 days for custom orders