Instruction Manual

CONSTRUCTION MATERIALS
Standard materials of construction are listed in Tables below for Simple and Compound Level ARVs.
All internal componets are stainless steel with the exception of the orifice button.
General details of construction are illustrated in Figure 2. The body (1) is threaded for connection to the pipline. The seat
(4) is threaded into the cast cover (2).
STANDARD WORKING PRESSURE 175 PSI
TEST PRESSURE 300 PSI
PIPE PLUG
OPTIONAL
4 3/4"
INLET
OUTLET
5 1/4"
<
<
<
<
STANDARD PRESSURE
(WORKING PRESSURE)
175 P.S.I.
TEST PRESSURE 500 P.S.I.
INLET
OUTLET
Item Description Material
1 Body Cast Iron
10 Float Arm*
Stainless Steel
2 Cover Cast Iron
11 Orifice Button*
Buna-N
®
3 Lever Frame* Stainless Steel
12 Pivot Pin*
Stainless Steel
4 Seat* Stainless Steel
13
Pin Retainer*
Stainless Steel
5 Float* Stainless Steel
17 Float Retainer*
Stainless Steel
6 Gasket* Non-Asbestos
21
Locator*
Stainless Steel
7 Cover Bolt Alloy Steel
34 Lock Washer*
Stainless Steel
Item Description Material
1 Body Cast Iron
13 Retaining Ring*
Stainless Steel
2 Cover Cast Iron
14
Pipe Plug
Iron
3 Lever Frame* Stainless Steel
17
Float Retainer*
Stainless Steel
4 Seat* Stainless Steel
18 Lock Nut*
Stainless Steel
5 Float* Stainless Steel
19
Link*
Stainless Steel
6 Gasket* Non-Asbestos
21
Locating Pin*
Stainless Steel
7 Cover Bolt Alloy Steel
22
Orifice Button Arm*
Stainless Steel
8 Retaining Screw* Stainless Steel
30 Washer*
Stainless Steel
10 Float Arm* Stainless Steel
33
Clevis*
Stainless Steel
11 Orifice Button* Buna-N
®
34
Lock Washer*
Stainless Steel
12 Pivot Pin* Stainless Steel
*Recommended Repair Part Kit
*Recommended Repair Part Kit
Figure 2. Simple Lever Air Release Valves
Figure 2. Compound Lever Air Release Valves
PARTS LIST
PARTS LIST