Hot Selling Dished Heat Exchanger Head

• Application: Heater, Cooler, Vaporizer, Condenser
• Principle: Regenerative Heat Exchanger
• Style: Tube Heat Exchanger
• Model NO.: Stainless steel, Duplex Steel, Titanium, Nickel,
• Material: Stainless Steel
• Size and Shape: Tema, Even Non-Tema, as Drawings
• Transport Package: Wooden Case
• Specification: acc to the ASME specifications or others
• Trademark: Tongji Engineering
• Origin: China
• HS Code: 8404909000
• Production Capacity: 50000PCS

Product Description

Dish head are used as a cap in order to end pressure vessels barrel. Depending to the design and construction of vessels, these caps are used in various configurations.
MAITAN supplies the most common types as following:
 
Hemispherical
 Elliptical (2:1)
 Torispherical
 Conical
  Flat
Production Methods
1.Hot or cold forming with moulds
 With this method, discs or segments are pressed into their definitive size and shape using one or more press runs. Selecting cold pressing or hot pressing is depended to power of forming facilities. But a simple rule states that cold forming is mainly used when head diameter is small and thickness is limited and hot pressing is used to manufacture heads made by very thick plates.
2.Cold pressing and flanging.
This method is used for heads of large diameter with a moderate thickness. The disc is first pressed into a spherical cap and the spherical cap is then flanged by spinning machinery to obtain a defined knuckle radius with a straight flange. Naturally, these products can undergo heat treatment if required in order to meet certain specifications.
3.Fabricated from spherical cap and segments
This method is used for larger sizes and/or thicknesses and with special materials and/or material combinations. The product is fabricated from hot or cold-formed segments. After pressing, all segments are calibrated and cut to size in accordance with the required form and dimension. The segments are then set up, test assembled and marked. The fabricated products can then be fully welded as required.

Type of materials	Technical requirements   * according to
Duplex Stainless Steel	ASTM/ASME SA182 F44, F45, F51, F53, F55, F60, F61
Stainless Steel	ASTM/ASME SA182 F304,304L,F316,316L, F310, F317L, F321, F347
Carbon Steel	ASTM/ASME A105, A350 LF1, LF2, A266, A694, A765 Gr.2
Alloy Steel	ASTM/ASME SA182 F1, F5, F9, F11, F12, F22, F51, A350-LF3
Non Ferrous	Titanium, Brass, Al-Brass, Copper Nickel, Nickel Alloys, Hastelloy
Titanium	ASTM/ASME SB381, Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16
Copper Nickel	ASTM/ASME SB151, UNS 70600(Cu-Ni 90/10), 71500(Cu-Ni 70/30)
Brass, Al-brass	ASTM/ASME SB152 UNS C10100, C10200,C10300,C10800,C12200
Nickel Alloys	ASTM/ASME SB169,SB171, SB564, UNS 2200, UNS 4400, UNS 8825 UNS 6600, UNS 6601, UNS 6625
Alloy 20	ASTM/ASME SB472  UNS 8020
Hastelloy	ASTM/ASME SB564, UNS10276 ( C 276 )
Claded materials	ASTM/ASME SB898, SB263, SB264 or closer explosion cladding, making materials of 2 in 1 or 3 in 1.
	Titanium- Steel, Nickel-Steel,Titanium- Copper,  Stainless Steel- Carbon Steel, Alloys- Steel etc.