2" to 6" Combination Air Vents for Gold Mines Specifications for Gold Mines - Netafim USA

No.	Part	Material
1.	Body (230 psi)	Cast Iron ASTM A-48 CL.20B
2.	Rolling Seal	Rubber E.P.D.M.
3.	Clamping Stem	Reinforced Nylon
4.	Float	Foamed Polypropylene
5.	Base	Stainless Steel 316
6.	O-Ring	BUNA-N
7.	Cover	Cast Iron ASTM A-48 CL.20B
8.	Cover	Sphero Nodular ASTM A-536 60-40-18
9.	Nozzle Seat	Stainless Steel 316
10.	Nozzle Seal	Natural and Synthetic Rubber
11.	O-Ring	BUNA-N
12.	Bolt and Nut	Stainless Steel 316
13.	Float (2" -3", 6")	Stainless Steel 316
14.	Body (230 psi)	Cast Iron ASTM A-48 CL.20B
15.	Body (360 psi)	Sphero Nodular ASTM A-536 60-40-18
16.	Sleeve	Reinforced Nylon
17.	Threaded Outlet	Stainless Steel 316
	Basket in 2"	Polypropylene