Everlasting Valve Quick Opening Valves
Boiler Blow-Off Valves
300 LB. Quick Opening

Figure 4000-S

A.S.A. Valve Class Max. Blow-Off Pressure A.S.M.E. Code Description Size Buy Now Weight (Lbs.)
300 lb. 490 psi Fig. # 4000-S (57)*
Steel Body, Screw End, Straight Lever		 1
1 1/4"
1 1/2"
2"
2 1/2"		 $932.16
$1,018.58
$1,294.83
$1,463.42
$2,109.42		 18
19
31
34
49

DIM 1" 1 1/4" 1 1/2" 2" 2 1/2"
F 5 5 1/4 6 6 1/4 13 3/8
J 4 4 3/4 5 1/4 5 1/4 6 1/4
L 9 9 15 1/4 15 1/4 23
O 55 55 55 60 60
S 1 5/8 1 3/4 2 1/8 2 1/16 2 3/4

Figure 4001-S

A.S.A. Valve Class Max. Blow-Off Pressure A.S.M.E. Code Description Size Buy Now Weight (Lbs.)
300 lb. 490 psi Fig. # 4001-S (57)
Steel Body, Flanged, Straight Lever		 1
1 1/4"
1 1/2"
2"
2 1/2"		 $1,185.75
$1,259.42
$1,544.16
$1,695.75
$2,321.92		 20
26
42
46
72

DIM 1" 1 1/4" 1 1/2" 2" 2 1/2"
B 7 5/8 7 5/8 8 3/4 9 12
J 4 4 3/4 5 1/4 5 1/4 6 1/4
L 9 9 15 1/4 15 1/4 23
O 55 55 55 60 60
S 1 5/8 1 3/4 2 1/8 2 1/16 2 3/4

Figure 4010-S

A.S.A. Valve Class Max. Blow-Off Pressure A.S.M.E. Code Description Size Buy Now Weight (Lbs.)
300 lb. 490 psi Fig # 4010-S (57)**
Steel Body, Screw End, Rack & Pinion Operator		 1 1/2"
2"
2 1/2"		 $1,419.50
$1,575.33
$2,252.50		 36
44
54

DIM 1 1/2" 2" 2 1/2"
F 6 6 1/4 13 3/8
J 5 1/4 5 1/4 6 1/4
L 17 5/8 18 23
Ls 12 1/2 12 1/2 15 1/2
O 130 130 130
S 4 1/2 4 7/8 6 1/4

Figure 4011-S

A.S.A. Valve Class Max. Blow-Off Pressure A.S.M.E. Code Description Size Buy Now Weight (Lbs.)
300lb. 490 psi Fig # 4011-S (57)
Steel Body, Flanged, Rack & Pinion Operator		 1 1/2"
2"
2 1/2"		 $1,647.58
$1,843.08
$2,473.50		 46
52
77

DIM 1 1/2" 2" 2 1/2"
F 8 7/8 9 12
J 5 1/4 5 1/4 6 1/4
L 17 5/8 18 23
Ls 12 1/2 12 1/2 15 1/2
O 130 130 130
S 4 1/2 4 7/8 6 1/4

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