rotating oiltight hatch cover(new standard)
Type: hatch cover,A | Material: Steel | Size: according to requirement | standard: CB/T282-94(new standard) |
shape: round | Airfoil clip buckle: stainless steel |
Type | structure | Specification mm |
A | Round oiltight cover | 600,700,800,1000,1200 |
B | Oval oilthight cover | 750X1200,750X1500,850X1500 |
requirement
1Main material of spare parts as follow
Name of spare parts | Material |
Coaming ,bear, guide plate, junction plate, connecting rod, cover plate, lock catch, lug, dabber | Class A steel |
clamping ring | 1CR18Ni9Ti |
sealing ring | polychloroprene |
Actuator ,Airfoil clip buckle , handhole cover | assembly parts |
2The surface of hatch are smooth, without vein.
3After assembling, the hatch are flexible, and activities section cover with grease.
3The coaming will be painted with antirusting paint before equipped with sealing ring.
4Carry out watertight test after finishing production.
5Painted with antirusting paint after production.Internal and external paint are the same,but the outside should be painted with primer
6The hatch will take mesures avoiding sparks for the clip buckles and lock catch.
7technical function of sealing ring meet the requirement as follow.
Material | breaking strength | Shore hardness type A | Working with Objects |
polychloroprene | More than 15N/sq.m | 35-45 | crude oil tank |
fluoride rubber | More than 14N/sq.m | Less than 60 | Product oil tank |
Ways of test
1After assembling, turn the handwheel, no jammed phenomenon
2Carry out watertight test, try water pressure is 0.025MPa,After test ,no leakage phenomenon,
Update Date:2012-04-09 10:08:26
Packaging Detail:standard package(according to requirement) |
Delivery Detail:according to quantity(usually 5-30days) |