Stainless Steel Round Manhole Cover

Materials:	ANSI304, 316, 304L, 316L, SUS and stainless steel
Size:	DN300 to 600 with or without pressure
Pressure:	0 to 0.3MPa (0 to 3 bars) with or without sight glass
Temperature:	-20 to 200 degree centigrade
Shapes:	Round, square and elliptic
Sealing:	EPDM, NBR, silicon and FPM
Height:	80 or 100mm, We can produce according to customer's request
Appearance:	Polished,Electrolysis, sand blast and pickling,Sight glass with flange or union
Minimum order quantity:	10 pieces/size
Capacity:	100, 000.00 pieces/week
Payment terms:	30% TT deposit, balance is paid before shipping the goods
Delivery time:	30 to 45 days after received the deposit
Packing:	Inner carton
Outside:	Ply-wood case

on this unit, a flat plate installed on the inside serves as the cover. A groove for an O-ring seal is incorporated into the cover. the quality of the seal can be adapted as required. the two large handles on the cover serve to facilitate closing the cover as well as providing a centering air when sealing. the face of the collar serves as the sealing surface. Standard Design Standard: ISO, DIN, SMS, 3A Connection mode: Welded Silicone-gasket with stainless steel toggle Inward-open Surface matte-finish OD 450*350mm Full welding technology Applied to the stainless steel pipeline system Options 1. Optional welded materials 304,316,316L 2. Various surface qualities 0.4m-0.8m 3. Various surface finish: Mirror Polish, Sand blasting, etc. 4. Various handles: Stainless steel 5. Various gasket qualities 6. Neck thickness can be modified 7. Height can be modified 8. Gasket material optional for EPDM, FPM Application: Beer, food, dairy, beverage, cosmetics, pharmacy and chemical etc industries.
Advantages: 
We offer non-standard manhole cover according to customer's requirements
Can have own logo on the products
Exported to all over the world ,Nice after-sale service
Sample: Can give out sample in 7 days, charge usually paid by customer side, fee of it will be rebound when we have formal order