| Material: | Stainless Steel |
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| Connection: | Welding |
| Material Quality: | AISI304(1.4301)/316L(1.4404) |
| Specifications: | 200mm,220mm,300mm,350mm,400mm,430mm,450mm,500mm,60 |
| Connection Standard: | Welded |
| Seat Material: | EPDM,Silione,PTFE,NBR Accordance with 177 |
| Samples: |
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| Customization: |
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Audited Supplier Description:YAB Stainless Steel Hygienic Circular Pressureless Manhole
Application:The circular stainless steel manhole cover is used on top of tanks or containers, especially in the dairy industry, where a hygienic closeable mean of access to the interior of the tank is required.
| Material | SS304 or SS316L |
| Standard | SMS, DIN |
| Size | 8"-24" (200mm-600mm) |
| Height | 100MM,120MM,150MM |
| Thickness | 2.5-3.0MM |
| Handwheel | Stainless steel and plastic |
| Handle number | 4-6 pieces |
| Type | With sight glass or without. |
| Seal Material | Silicone, EPDM, , NBR |
| Internal Surface | Ra0.8um-0.5um |
| Exrernal Surface | Mirror polihed, matte,sand blasting |
| Working Pressure | Atmosphere |
| Connection Welding | Top of tanks |
| Application | Food,Wine-Producing,Beverage |
| Temperature | -20~100Degrees Celsius |
| Openning direction | Outward Openning |
Q1. Are you a trading company or factory?
We are a manufacturing factory.
Q2. Do you have mill test certificate for the materials?
mill test is very important for the food processing machines.
Q3. May I have free sample before ordering?
Yes,our company is very pleased to send to you free sample for quality test as long as freight cost being paid by buyers themselves.
Q4. What's the payment terms?
For small testing orders,we accept Paypal,Western Union,T/T and credit Card.
For mass orders,we accept T/T and L/C.
Q5.How do you control the quality?
Quality control is very important to avoid material mixing and poor quality.We control the quality from beginning to the end.We only have 304 and 316L two different materials.100% inspection on raw material.During production,different materials in different place.After materials are finished,we choose 10% for inspection.If there is 0.1% problem in 10%,then no excuse to go ahead for inspecting 100% of the materials.
Q6.If there is any quality problem,how do you solve it?
We are proud that we never let one customer leave us.We are not 100% perfect,there is some quality problem.We try our best to provide the correct materials in the beginning,so we need less time for quality problem.If there is any quality problem,we take the responsibility.We believe what we are doing together,it will get back tomorrow.If we leave our responsibility,customer will leave us.If we always take our responsibility,we keep our customers with us.
Q7.How long is your delivery time?
For normal production in 7-10days.For bulk order in 15-25days.
Q8.Warranty
One year warranty for all of our stainless steel products.Gaskets are not included due to the different application for customers.
Q9.More questions are appreciated
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