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

group: 19MDDAXXX

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

  • assortment
  • dimensions
  • specifications
  • downloads
  • ETIM

item number

size

dimensions

weight

packaging

gtin

item number

19MDDA100

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750356346

item number

19MDDA110

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750304651

item number

19MDDA125

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750249297

item number

19MDDA130

size

3/4" (DN20)

dimensions

-

weight

0.86 kg

packaging

carton (1 pce)

gtin

00670750227745

item number

19MDDA15

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750406850

item number

19MDDA150

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750291272

item number

19MDDA154

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750819421

item number

19MDDA155

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750227752

item number

19MDDA16

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750127953

item number

19MDDA174

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750342813

item number

19MDDA175

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750606601

item number

19MDDA20

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750233210

item number

19MDDA200

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750281419

item number

19MDDA25

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750360565

item number

19MDDA250

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750587658

item number

19MDDA30

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750078132

item number

19MDDA35

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750449345

item number

19MDDA40

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750774881

item number

19MDDA45

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750039010

item number

19MDDA50

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750290480

item number

19MDDA60

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750099243

item number

19MDDA75

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750429613

item number

19MDDA90

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

carton (1 pce)

gtin

00670750871122

item number

19MDDA29

size

3/4" (DN20)

dimensions

-

weight

0.68 kg

packaging

-

gtin

00191988062569

code

size

d1

DN1

l1

d2

DN2

l2

z2

h1

V

item number

19MDDA100

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

19MDDA110

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

19MDDA125

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

19MDDA130

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

19MDDA15

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

19MDDA150

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

19MDDA154

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

19MDDA155

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

19MDDA16

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

19MDDA174

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

19MDDA175

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

19MDDA20

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

19MDDA200

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

19MDDA25

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

19MDDA250

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

19MDDA30

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

19MDDA35

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

19MDDA40

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

19MDDA45

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

19MDDA50

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

19MDDA60

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

19MDDA75

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

19MDDA90

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

19MDDA29

size

3/4" (DN20)

d1

26.7

DN1

-

l1

56

d2

26.7

DN2

-

l2

35

z2

20

h1

51

V

60

technical drawing for product

product info

item

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

item number with gtin

19MDDAXXX

manufacturer

Aalberts integrated piping systems Americas, Inc. (Apollo)

size

3/4" (DN20)

weight

0.68 kg

characteristics

color

yellow, bronze

materials

bronze (ASTM B584)

finishing

none

shape

Perpendicular

connection type

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

general

product group

valves (safety relief valves)

brand

Apollo

series

19 Series Safety Relief Valves

type

19MDDAXXX

image for 19 Image

image | png

19 Image

image for 19 MNPT x FNPT Diagram

diagram | png

19 MNPT x FNPT Diagram

submittal sheet | pdf

19 Submittal Sheet

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

26.67mm

label

Outer pipe diameter connection 1 (imperial)

value

1.05"

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

label

Height (imperial)

value

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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