21" Manway Cover with 6", 8" and 12" neck, 5 or 6 Wing Nuts, Hard Rubber Door Seal, All Pins, Wingnuts and hardware to be Zinc Plated, Dome Lid and Neck are Plain Steel.

6" neck - approx.33kgs, 8" Neck - approx. 37kgs, 12" Neck - approx. 41kgs,

A. Gasket in the Neck Design,

B. Right or Left Hinge Models,

C. Standard Neck Lengths 6 , 8 or 12 inches,

D. 1/4" Steel Construction,

E. Weldable Base is 21.25" O. D.

Our Manway Cover is able to withstand 70 PSI after having tested under pressure.

We are a professional supplier of trailer parts from China. Our factory covers 10,000m2 production base, with 3 separate production line, with good machines and more experienced engineers, worker and inspectors to make sure of good quality. We are an ISO9001 certificated factory, and the hitch balls passed
V-5 rating, and the gooseneck coupler passed SGS Test.

Our main items list are as follows:

1). 2 5/16" forged coupler (bumper pull) , 12500lb capacity,
2). 2" forged coupler (bumper pull), 7000lb capacity,
3). A-frame coupler ( ball size: 2" or 2-5/16"), 5000lb or 10,000lb
4). 2K lb A frame jack, topwind (travel 14")
5). 2K lb Tubular Mount Round Jack, sidewind, Travel: 15",
6).2K lb Tubemount  Topwind Jack, Travel: 15",9/16" lock pin, sleeve included,
7).5K lbs tubemount top wind jack (travel 10" or 15")
8). 8K lb Topwind or Sidewind Jack, travel: 15", and 12K lb heavy-duty square jack
9).25K lb and 30K lb round gooseneck couplers ( 2-5/16" ball)
10). 10K lb & 14K lb adjustable height coupler ( 2" & 2-5/16" ball)
11). Various Round Bar Weight Distribution Hitch with sway control and hitch shanks
12). 21" Manway Cover with 5 or 6 wingnuts
13) Various hitch balls and ball mounts

If you need these kinds of trailer parts, Please contact us so that we can offer you best prices and send you samples for your approval in time.
We can guarantee high quality products ! As we passed ISO9001 certification, and we always pay more attention to the quality.