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1/2" (3)
3/4" (9)
1" (10)
1-1/4" (7)
1-1/2" (6)
2" (8)
2-1/2" (4)

Max. Capacity Lbs/hr
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310 (1)
327 (1)
604 (1)
646 (1)
929 (1)
1152 (1)
1240 (1)
1404 (1)
1,656 (1)
1798 (1)
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Pressure Set Point
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15 (2)
30 (1)
40 (1)
45 (1)
50 (1)
100 (4)
125 (4)
150 (8)
200 psi (1)

Price Range
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$200 to $300 (5)
$300 to $400 (7)
$400 to $500 (4)
$500 to $600 (4)
$700 to $800 (2)
$800 to $900 (1)
$900 to $1000 (1)
Home
Heating Supplies & Parts
Relief Valves
Pressure Relief Valves
Apollo Relief Valves
Apollo 19 Series Steam Safety Valves

Apollo 19 Series Steam Safety Valves

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Product Image of 19 Series 3/4" MNPT x 1" FNPT 1,656 LBS/HR Safety Relief Valve (150 psi)
19 Series 3/4" MNPT x 1" FNPT 1,656 LBS/HR Safety Relief Valve (150 psi)
SKU: 19KEDA150
Apollo Valves
SKU: 19KEDA150
Brand: Apollo Valves
$265.00 each
In Stock
Get 7 by Mon, Jan 27
More Available
In Stock
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Product Image of 19 Series 1" MNPT x 1-1/4" FNPT 2,585 LBS/HR Safety Relief Valve (150 psi)
19 Series 1" MNPT x 1-1/4" FNPT 2,585 LBS/HR Safety Relief Valve (150 psi)
SKU: 19KFEA150
Apollo Valves
SKU: 19KFEA150
Brand: Apollo Valves
$315.19 each
In Stock
Get 11 by Mon, Jan 27
More Available
In Stock
Get 11 by Mon, Jan 27
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Product Image of 19 Series 3/4" MNPT x 1" FNPT 1,152 LBS/HR Safety Relief Valve (100 psi)
19 Series 3/4" MNPT x 1" FNPT 1,152 LBS/HR Safety Relief Valve (100 psi)
SKU: 19KEDA100
Apollo Valves
SKU: 19KEDA100
Brand: Apollo Valves
$314.11 each
In Stock
Get 2 by Mon, Jan 27
More Available
In Stock
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More Available
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Product Image of 19 Series 1-1/4" MNPT x 1-1/2" FNPT 4,240 LBS/HR Safety Relief Valve (150 psi)
19 Series 1-1/4" MNPT x 1-1/2" FNPT 4,240 LBS/HR Safety Relief Valve (150 psi)
SKU: 19KGFA150
Apollo Valves
SKU: 19KGFA150
Brand: Apollo Valves
$362.19 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
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Product Image of 19 Series 1-1/4" MNPT x 1-1/2" FNPT 4,240 LBS/HR Safety Relief Valve, Brass Trim/Metal Seat (150 psi)
19 Series 1-1/4" MNPT x 1-1/2" FNPT 4,240 LBS/HR Safety Relief Valve, Brass Trim/Metal Seat (150 psi)
SKU: 19MGFA150
Apollo Valves
SKU: 19MGFA150
Brand: Apollo Valves
$546.70 each
In Stock
Get 2 by Mon, Jan 27
More Available
In Stock
Get 2 by Mon, Jan 27
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Product Image of 19 Series 1-1/2" MNPT x 2" FNPT 6,616 LBS/HR Safety Relief Valve (150 psi)
19 Series 1-1/2" MNPT x 2" FNPT 6,616 LBS/HR Safety Relief Valve (150 psi)
SKU: 19KHGA150
Apollo Valves
SKU: 19KHGA150
Brand: Apollo Valves
$450.04 each
In Stock
Get 3 by Mon, Jan 27
More Available
In Stock
Get 3 by Mon, Jan 27
More Available
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Product Image of 19 Series 3/4" MNPT x 1" FNPT 310 LBS/HR Safety Relief Valve (15 psi)
19 Series 3/4" MNPT x 1" FNPT 310 LBS/HR Safety Relief Valve (15 psi)
SKU: 19KEDA15
Apollo Valves
SKU: 19KEDA15
Brand: Apollo Valves
$345.72 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
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Product Image of 19 Series 1/2" MNPT x 3/4" FNPT 929 LBS/HR Safety Relief Valve (150 psi)
19 Series 1/2" MNPT x 3/4" FNPT 929 LBS/HR Safety Relief Valve (150 psi)
SKU: 19KDCA150
Apollo Valves
SKU: 19KDCA150
Brand: Apollo Valves
$245.37 each
In Stock
Get 1 by Thu, Jan 30
In Stock
Get 1 by Thu, Jan 30
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Product Image of 19 Series 1" x 1-1/4" Safety Relief Valve, 604 LBS/HR (45 psi)
19 Series 1" x 1-1/4" Safety Relief Valve, 604 LBS/HR (45 psi)
SKU: 19EFEL45
Apollo Valves
SKU: 19EFEL45
Brand: Apollo Valves
$510.34 each
In Stock
Get 2 by Mon, Jan 27
In Stock
Get 2 by Mon, Jan 27
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Product Image of 19 Series 2" MNPT x 2-1/2" FNPT 4,283 BS/HR Safety Relief Valve (50 psi)
19 Series 2" MNPT x 2-1/2" FNPT 4,283 BS/HR Safety Relief Valve (50 psi)
SKU: 19KJHA50
Apollo Valves
SKU: 19KJHA50
Brand: Apollo Valves
$936.52 each
In Stock
Get 2 by Mon, Jan 27
In Stock
Get 2 by Mon, Jan 27
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Product Image of 19 Series 1-1/2" MNPT x 2" FNPT 4,602 LBS/HR Safety Relief Valve (100 psi)
19 Series 1-1/2" MNPT x 2" FNPT 4,602 LBS/HR Safety Relief Valve (100 psi)
SKU: 19KHGA100
Apollo Valves
SKU: 19KHGA100
Brand: Apollo Valves
$502.34 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
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Product Image of 1/2" x 3/4" 327 LBS/HR ASME Sec VIII Safety Valve
1/2" x 3/4" 327 LBS/HR ASME Sec VIII Safety Valve
SKU: 19EDCL40
Apollo Valves
SKU: 19EDCL40
Brand: Apollo Valves
$285.27 each
In Stock
Get 1 by Thu, Jan 30
In Stock
Get 1 by Thu, Jan 30
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Product Image of 19 Series 1/2" MNPT x 3/4" FNPT 646 LBS/HR Safety Relief Valve (100 psi)
19 Series 1/2" MNPT x 3/4" FNPT 646 LBS/HR Safety Relief Valve (100 psi)
SKU: 19KDCA100
Apollo Valves
SKU: 19KDCA100
Brand: Apollo Valves
$280.96 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
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Product Image of 19 Series 3/4" MNPT x 1" FNPT 2,160 LBS/HR Safety Relief Valve (200 psi)
19 Series 3/4" MNPT x 1" FNPT 2,160 LBS/HR Safety Relief Valve (200 psi)
SKU: 19KEDA200
Apollo Valves
SKU: 19KEDA200
Brand: Apollo Valves
$298.61 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 1-1/2" MNPT x 2" FNPT 5,609 LBS/HR Safety Relief Valve (125 psi)
19 Series 1-1/2" MNPT x 2" FNPT 5,609 LBS/HR Safety Relief Valve (125 psi)
SKU: 19KHGA125
Apollo Valves
SKU: 19KHGA125
Brand: Apollo Valves
$482.21 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 2" MNPT x 2-1/2" FNPT 14,170 LBS/HR Safety Relief Valve (200 psi)
19 Series 2" MNPT x 2-1/2" FNPT 14,170 LBS/HR Safety Relief Valve (200 psi)
SKU: 19KJHA200
Apollo Valves
SKU: 19KJHA200
Brand: Apollo Valves
$780.78 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 2" MNPT x 2-1/2" FNPT 10,864 LBS/HR Safety Relief Valve (150 psi)
19 Series 2" MNPT x 2-1/2" FNPT 10,864 LBS/HR Safety Relief Valve (150 psi)
SKU: 19KJHA150
Apollo Valves
SKU: 19KJHA150
Brand: Apollo Valves
$880.60 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 1" MNPT x 1-1/4" FNPT 2,191 LBS/HR Safety Relief Valve (125 psi)
19 Series 1" MNPT x 1-1/4" FNPT 2,191 LBS/HR Safety Relief Valve (125 psi)
SKU: 19KFEA125
Apollo Valves
SKU: 19KFEA125
Brand: Apollo Valves
$337.72 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 3/4" MNPT x 3/4" FNPT Safety Relief Valve (30 psi)
19 Series 3/4" MNPT x 3/4" FNPT Safety Relief Valve (30 psi)
SKU: 19MDDA30
Apollo Valves
SKU: 19MDDA30
Brand: Apollo Valves
$314.39 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 1" MNPT x 1-1/4" FNPT 1,798 LBS/HR Safety Relief Valve (100 psi)
19 Series 1" MNPT x 1-1/4" FNPT 1,798 LBS/HR Safety Relief Valve (100 psi)
SKU: 19KFEA100
Apollo Valves
SKU: 19KFEA100
Brand: Apollo Valves
$381.18 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 3/4" MNPT x 1" FNPT 1,404 LBS/HR Safety Relief Valve (125 psi)
19 Series 3/4" MNPT x 1" FNPT 1,404 LBS/HR Safety Relief Valve (125 psi)
SKU: 19KEDA125
Apollo Valves
SKU: 19KEDA125
Brand: Apollo Valves
$436.05 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 1-1/4" MNPT x 1-1/2" FNPT 3,595 LBS/HR Safety Relief Valve (125 psi)
19 Series 1-1/4" MNPT x 1-1/2" FNPT 3,595 LBS/HR Safety Relief Valve (125 psi)
SKU: 19KGFA125
Apollo Valves
SKU: 19KGFA125
Brand: Apollo Valves
$411.12 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Compare
Product Image of 19 Series 2" MNPT x 2-1/2" FNPT 7,557 LBS/HR Safety Relief Valve (100 psi)
19 Series 2" MNPT x 2-1/2" FNPT 7,557 LBS/HR Safety Relief Valve (100 psi)
SKU: 19KJHA100
Apollo Valves
SKU: 19KJHA100
Brand: Apollo Valves
$789.90 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
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Product Image of 19 Series 1-1/2" MNPT x 2" FNPT 1,240 LBS/HR Safety Relief Valve (15 psi)
19 Series 1-1/2" MNPT x 2" FNPT 1,240 LBS/HR Safety Relief Valve (15 psi)
SKU: 19KHGA15
Apollo Valves
SKU: 19KHGA15
Brand: Apollo Valves
$508.21 each
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
Backorder
Get it by Fri, Feb 21 - Fri, Mar 21
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24 items
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Price ▲
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Product Availability
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Show In Stock Only (9)

Size
–

1/2" (3)
3/4" (9)
1" (10)
1-1/4" (7)
1-1/2" (6)
2" (8)
2-1/2" (4)

Max. Capacity Lbs/hr
–

310 (1)
327 (1)
604 (1)
646 (1)
929 (1)
1152 (1)
1240 (1)
1404 (1)
1,656 (1)
1798 (1)
See More

Pressure Set Point
–

15 (2)
30 (1)
40 (1)
45 (1)
50 (1)
100 (4)
125 (4)
150 (8)
200 psi (1)

Price Range
–

$200 to $300 (5)
$300 to $400 (7)
$400 to $500 (4)
$500 to $600 (4)
$700 to $800 (2)
$800 to $900 (1)
$900 to $1000 (1)
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