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Apollo ASME Sec VIII Steam Bronze Safety Relief Valves with Brass Trim, Metal Seat, 1/2" x 3/4" (MNPT x FNPT)

group: 19MDCLXXX

ASME Sections I & VIII capacity certified safety valve for overpressure protection of steam power boilers, pressure piping systems, pressure vessels, piping and similar equipment. Suitable for steam, air and non-hazardous gases.
  • ASME Section I & VIII Certified Capacities
  • 5 - 300 psig Set Pressures @ -60°F min. / 406°F max.
  • 1/2" - 2-1/2" Inlet Connections Available
  • Stainless Steel Wetted Trim (19L, 19S)
  • PFA and Metal Seat Styles Available
  • Made in the USA 
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applications

steam

steam

compressed air

compressed air

segments

commercial building

commercial building

approvals

CRN

CRN

item number

size

d1

DN1

l1

d2

DN2

l2

z2

h1

V

item number

19MDCL100

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL120

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL125

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL137

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL140

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL15

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL150

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL160

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL165

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL175

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL20

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL220

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL25

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL30

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL35

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL39

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL40

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL45

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL50

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL55

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL60

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL65

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL70

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL75

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL80

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

DN15

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19MDCL110

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

l1

56

d2

26.7

DN2

l2

35

z2

20

h1

51

V

60

item number

19MDCL200

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

l1

56

d2

26.7

DN2

l2

35

z2

20

h1

51

V

60

item number

19MDCL95

size

1/2" (DN15) x 3/4" (DN20)

d1

21.3

DN1

l1

56

d2

26.7

DN2

l2

35

z2

20

h1

51

V

60

technical drawing for product

characteristics

color

yellow, bronze

materials

bronze (ASTM B584)

finishing

none

manufacturer

Aalberts integrated piping systems Americas, Inc. (Apollo)

shape

Perpendicular

connection type

MPT - male thread conical (NPT), FPT - female thread conical (NPT)

general

product group

valves (safety relief valves)

ETIM class

EC011311 Safety valve

brand

Apollo

series

19 Series Safety Relief Valves

type

19MDCLXXX

label

value

label

ETIM class

label

Housing material

value

Bronze

label

Connection 1

value

External thread conical (NPT)

label

Outer pipe diameter connection 1

value

21.34mm

label

Outer pipe diameter connection 1 (imperial)

value

0.84"

label

Connection 2

value

Internal thread conical (NPT)

label

Outer pipe diameter connection 2

value

26.67mm

label

Outer pipe diameter connection 2 (imperial)

value

1.05"

label

Surface protection

value

Untreated

label

Length of connection 1

value

56.13mm

label

Length of connection 1 (imperial)

value

2.21"

label

Length of connection 2

value

34.54mm

label

Length of connection 2 (imperial)

value

1.36"

label

Working length connection 2

value

20.32mm

label

Working length connection 2 (imperial)

value

0.8"

label

Height

value

0mm

label

Suitable for heating

value

No

label

Suitable for cooling

value

No

label

Suitable for solar heating

value

No

label

Suitable for hot tap water

value

No

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