Question 1

What shapes of tank heads can you produce?

Accepted Answer

We can manufacture elliptical heads, dished heads, hemispherical heads, conical heads and flat heads, customized according to customer drawings.

Question 2

What raw material do you use for making heads?

Accepted Answer

Main materials include 304 stainless steel, 316L stainless steel, carbon steel and alloy steel, supporting material customization.

Question 3

What diameter range of heads can you process?

Accepted Answer

Our processing diameter covers DN50 to DN6000, both small sanitary heads and large retort tank heads are available.

Question 4

Is the wall thickness of the head customizable?

Accepted Answer

Yes, wall thickness can be adjusted from 2mm to 60mm to match different pressure requirements of tanks.

Question 5

What surface treatment options do you provide for stainless steel heads?

Accepted Answer

We offer raw grinding, matte polishing, mirror polishing and pickling passivation for stainless steel tank heads.

Question 6

What forming processes do you adopt for heads?

Accepted Answer

Two main forming technologies: cold stamping for small sizes and hot spinning for large-diameter thick-wall heads.

Question 7

Can you make sanitary heads for food and pharmaceutical equipment?

Accepted Answer

Sure, we produce sanitary polished heads with seamless transition for jacketed kettles and sterilization retorts.

Question 8

Are your heads suitable for high pressure sterilization tanks?

Accepted Answer

All pressure vessel heads are made with standard arc transition to bear high working pressure of retort equipment.

Question 9

Can you produce special irregular shaped heads?

Accepted Answer

We accept non-standard special-shaped heads, just provide your detailed size drawings for quotation and production.

Question 10

What's the standard arc radius of elliptical heads?

Accepted Answer

Standard elliptical head adopts 2:1 ratio, the crown radius equals the inner diameter of the tank.

Question 11

Do you provide welding edge processing on heads?

Accepted Answer

We can finish flat welding edge, butt welding edge and flanged edge according to customer installation demands.

Question 12

Are stainless steel heads resistant to corrosion?

Accepted Answer

304 and 316L stainless steel heads have excellent acid and alkali corrosion resistance for food and chemical industries.

Question 13

What's the difference between dished head and hemispherical head?

Accepted Answer

Hemispherical head has uniform stress distribution for ultra-high pressure tanks; dished head has lower manufacturing cost for general storage tanks.

Question 14

Can heads be used as the bottom of jacketed cooking kettles?

Accepted Answer

ur polished stainless heads are specially designed as the bottom component of planetary mixing tilting jacketed kettles.

Question 15

Do you test the flatness and radian of finished heads?

Accepted Answer

Every finished head will go through radian inspection, size measurement and flatness detection before delivery.

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