2" to 4" Air Vents for Gold and Copper Mines Specifications

No.	Part	Material
1.	Drainage Elbow	Polypropylene
2.	Seal Plug Assembly	Vitron
3.	Float	Foamed Polypropylene
4.	Clamping Stem	Reinforced Nylon
5.	Body	Reinforced Nylon
6.	Cover	Stainless Steel 316 (Copper) Iron Casting(Gold)
7.	O-Ring	Viton
8.	O-Ring	Viton
9.	Crown Nut	Stainless Steel 316
10.	Plastic Base	Reinforced Nylon
11.	Stopper	Acetal
12.	Spring	Stainless Steel 316
13.	Washer	Stainless Steel 316
14.	Bolt, Nut & Washer	Teflon
15.	Stem	Stainless Steel 316
16.	Float	Stainless Steel 316
17.	Ball Valve	Stainless Steel 316
18.	Body	Fabricated Iron (Gold) Stainless Steel 316 (Copper)