Specifications
1. Whole diameter: 20"
2. Nominal diameter: 10"
3. Emergency open pressure: 21kpa -32kpa
4. Material: Aluminum Alloy
1. Tank Truck Manhole Cover
API 20'' Stainless steel with 6 claws Single plate of tanker truck manhole cover H801A-500
Jialong Manhole Cover is installed on the top of the tanker to prevent the inside fuel from leakage when the tanker is over rolled. With P/V vent inside to adjust the pressure. When there is pressure differences inside and outside the tanker, it will automatically inlet or exhaust air to adjust the pressure so that it can ensure the safety and environment protection
2. Benefit & Feature
* Grinding and Polishing
Stainless steel' surface is grinded and polished to make it more pleasing and longer performing.
* Various Sealing Gaskets
To satisfy different demands of users.
* Teflon Resin Coated Sealing Gasket
Temperature Range: - 50 ~ 200° C
* Fluoro Rubber
Temperture Range: -20 ~120° C
* Height of the Collar
Can be made by user's design.
3. Before Order
* The main material can be Carton Steel, 304 Stainless Steel, 316 Stainless Steel, or up to users' demand.
* The standard quantity of Handles is 6, but it can be made into 8 according to different demands. The working pressure is 0.4Mpa.
* The Sealing Gasket is chosen according to different usages, Teflon Resin Coated one, Fluoro Rubber one or Buna-N one.
B. Company Introduction
| Company Name: |
Zhejiang Jialong Mechanical Equipment Co., Ltd |
| Year Establish: |
1997 |
| Business Type: |
Manufacturer of tank truck safety equipment
(Top 3 in China, covers 60% market) |
| Main Products: |
Manhole Cover, API adaptor, Vapor Vent, Bottom Valve, Emergency shut off valve, Interlock Valve, optic sensor, etc. |
| The number of employees: |
180 |
| R & D department: |
30 |
| Factory size: |
15000 square meter |
| Certificates: |
ISO9001, API Specification Q1, ADR, PEI, SGS, TS, CE, EX, CCS, etc. |
1.Products.
2. Production & Testing Equipment
3. Show Room
4. Workshop
5. Certificate
Audited Supplier 
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