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

group: 19SDDLXXX

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

19SDDL300

size

3/4" (DN20)

d1

26.7

DN1

DN20

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19SDDL50

size

3/4" (DN20)

d1

26.7

DN1

DN20

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

item number

19SDDL65

size

3/4" (DN20)

d1

26.7

DN1

DN20

l1

56

d2

26.7

DN2

DN20

l2

35

z2

20

h1

51

V

60

technical drawing for product

characteristics

color

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

19SDDLXXX

UNSPS

40141606

label

value

label

ETIM class

label

Housing material

value

Bronze

label

Connection 1

value

External thread conical (NPT)

label

Nominal diameter connection 1

value

DN 20

label

Outer pipe diameter connection 1

value

26.67mm

label

Outer pipe diameter connection 1 (imperial)

value

1.05"

label

Connection 2

value

Internal thread conical (NPT)

label

Nominal diameter connection 2

value

DN 20

label

Outer pipe diameter connection 2

value

26.67mm

label

Outer pipe diameter connection 2 (imperial)

value

1.05"

label

Max. operating pressure at 20 °C

value

20.68bar

label

Max. operating pressure at 20 °C (imperial)

value

300psi

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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