Manhole cover

Manhole cover

stainless steel manhole cover constitutes a high-quality opening. It provides the most convenient entry to tanks.

You would see its wide use case in biopharm and beverage related industries. Adding to this, they also come in shapes such as rectangle, circle, oval, etc. Their main function is to provide ease to enter the interior of the tanks.

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Find reliable suppliers of cast iron manhole cover in the UAE

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Provide reasonable quoting of prices, so that the customers can then choose to purchase it. It depends on their demands and standards.

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Limited suppliers, so that the customer can reach out to compare the pricing.

Hence, they are known to be one of the prominent and well-regarded manhole cover manufacturers in UAE, winning confidence of wide range of customers.

manhole cover specification

Manhole cover specification

Types Size range Uses
  • CNC 121 series manhole cover
  • CNC 122 series manhole cover
  • Aluminum welding neck for placing manholes
  • Stainless steel welding neck for placing manholes
  • 10″ to 24″
  • 250mm – 600mm
  • Bulk storage tanks
  • Low pressure storage tanks
  • Low pressure gas pipeline systems
  • Digesters
  • Gas Holders
Process connection Manufacturing material Pressure Settings
  • API 650 (20” and 24”)
  • Class: ANSI 150#
  • Special design (Flange drilling as required)
  • Aluminium manhole cover
  • Carbon Steel manhole cover
  • Stainless Steel manhole cover
  • Mild Steel manhole cover
  • 1.8”wg – 36.2”wg
  • 4.5mbar- 90mbar
Vacuum Settings ( as per CNC 122) How to order? Valve sizing
  • 3.46”wg – 10”wg
  • 9mbar-25mbar
  • Model/ Type
  • Size
  • Material
  • DIAPHRAGM
  • INSERT
  • P/V Settings

 

  • Computerised valve sizing to API 2000
Standard & testing Manhole assembly weight Technical specification
  • EN DROP TEST (EN 13317:2002)
  • EN13317:2002/A1
  • Tested in accordance to EN14596 and EN13314
  • 13.5kg
  • Emergency pressure set: 280 mbar
  • Emergency venting capacity: 6500m3/h at 350 mbar
  • P/V vent vacuum set: 10 mbar
  • P/V vent set pressure: 100 mbar

Are you looking for stainless steel manhole cover and sewer drain covers manufacturers in the Middle East and India

Covering wide use case, carbon steel manhole cover offers below mentioned benefits and is widely accepted by many industrial standards:

  • It requires low maintenance cost.
  • Another advantage is that it is available in flexible range of sizes, which makes it suitable for broad use case.
  • Wide pressure rating range prevails to provide protection.
  • Optimum performance value is assisted when using the cover.

Ductile iron manhole covers and sewer cover should not protrude over the road surface

Characteristic properties are provided by aluminium manhole cover, which provide wide use case for several industrial standards. Below are some of them:

  • It is recommended for use case in low pressure applications.
  • Bulk storage tanks also demand for this cover.
  • Digesters also widely use covers made of aluminium.
  • Another use case is seen in Gas holders/
Choose from verified distributors and importers of a emergency vent cover and heavy duty manhole covers to get RFQ

Below are the pressure ratings that a hinged manhole cover can withstand:

  • When dealing with the emergency pressure set situations, it can withstand pressure up to 280mbar.
  • On the other hand, excellent venting capacity is exhibited, where it can withstand 6500 m3/h at 350 mbar.
  • At last, it can withstand pressure range of 10 mbar – 100 mbar, which is the P/V vent vacuum set value.

The above three pressure conditions make it clear that it can withstand wide range of pressure conditions.

Refer sizes aluminium manhole cover, Check the price list of the CNC machined manhole grates

For a customer choosing aluminium cover for manhole, it is very important that they verify for the product to be tested.

As a result, below are some of the most common testing methods:

EN DROP TEST: this test covers for the manhole performance requirements. It also specifies parameters such as tests and dimensions to make sure that it is in compliance with the equipment of the standard.

EN 14596: the standard covers on the emergency pressure relief valve for a manhole is covered by this standard. Adding to this, critical dimensions and requirements of performance are also mentioned.

EN13314: under this standard, it specifies how a hole covers can be filled. It also makes sure that the tests also meet the equipment of the standard.

manhole cover size chart