What are the commonly used tank head code name parameters?

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Dec 31, 2024

The end cap is a component used to seal the end of a container to isolate the internal and external media, also known as an end cap

The end cap is a component used to seal the end of a container to isolate the internal and external media, also known as an end cap. According to the shape of the surface, it can be divided into spherical, elliptical, dish-shaped, spherical cap, cone shell and flat cover. Among them, spherical, elliptical, dish-shaped and spherical cap heads are collectively called convex heads. So what are the codes for commonly used end caps?

1. Hemispherical head: Type code: HHA; Type parameter relationship: Di=2Ri DN=Di

2. Elliptical head:

(1) Elliptical head based on inner diameter: Type code: EHA; Type parameter relationship: Di/2(H-h)=2 DN=Di

(2) Elliptical head based on outer diameter: Type code: EHB; Type parameter relationship: Do/2(Ho-h)=2 DN=Do

3. Disc head:

(1) Disc head based on inner diameter: Type code: THA; Type parameter relationship: Ri=1.0Di ri=0.10Di DN=Di

(2) Disc head based on outer diameter: Type code: THB; Type parameter relationship: Ro=1.0Do ro=0.10Do DN=Do

4. Spherical head: Type code: SDH; Type parameter relationship: Ri=1.0Di DN=Do

5. Flat bottom head: Type code: FHA; Type parameter relationship: ri≥3δn H=ri+h DN=Di

6. Conical head:

(1) Conical head with an opening angle of 30: Type code: CHA(30); Type parameter relationship: ri≥0.10Di and ri≥3δn a=30o DN is expressed in Di/Dis

(2) Conical head with an opening angle of 45: Type code: CHA(45); Type parameter relationship: ri≥0.10Di and ri≥3δn a=45o DN is expressed in Di/Dis

(3) Conical head with an opening angle of 60: Type code: CHA(60); Type parameter relationship: ri≥0.10Di And ri≥3δn rs≥0.05Dis and rs≥3δn a=60o DN is expressed as Di/Dis