Zhejiang Jialong Mechanical Equipment Co., Ltd.  

Product Name: Welding Type Stainless Steel 304/316 Manhole Cover Model NO.: H801A-500 Name: Welding Type Stainless Steel 304/316 Manhole Cover Norminal Diameter: 20" Installment Mode: Welding Type Emergency Open Pressure: 21kpa-32kpa Type: Oil Refining & Chemical Equipment Usage: Oil and Gas Transportation Machinery Certification: PEI, CE, ISO Trademark: JIALONG Transport Package: Carton Packing Specification: API, CE, SGS, PEI, ISO Origin: Wenzhou, Zhejiang, China HS Code: 8481100090 Product Description Welding type stainless steel 304/316 manhole coverManhole Cover is installed on the top of the tanker, with the designed of fully tight sealing and rotated handles to make sure its tightness. The main plate is stamped of Stainless Steel. H801A is single plate, H801B is double plates which can keep the inside warm. This kind of manhole with the under collar can be directly welded into the tanker.Specifications1. Installment mode: Welding2. Nominal diameter: 20"3. Working pressure: 0.3Mpa4. Material: Carton steel/ Stainless steelBenefit & Feature* Grinding and PolishingStainless steel' surface is grinded and polished to make it more pleasing and longer performing.* Various Sealing GasketsTo satisfy different demands of users.* Teflon Resin Coated Sealing GasketTemperature Range: - 50 ~ 200° C* Fluoro RubberTemperture Range: -20 ~120° C* Height of the CollarCan be made by user's design.Customize* 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.