Combined Shape
Combined Shape

products

Apollo ASME Hot Water Bronze Safety Relief Valves (2 x FNPT)

group: 10303XX

ASME Section IV Capacity Certified Bronze Safety Relief Valves protect ASME Section IV hot water heating boilers and hydronic heating systems. High capacity design features corrosion resistant construction. Brass, satin or polished chrome finishes available. Proudly made in the USA.
  • ASME Section IV Certified Capacity (20-60 psi only)
  • 15-60 psig (1.4 - 4.1 bar) Set Pressure at 250°F (121°C) max
  • Corrosion Resistant Construction
  • Registered in all Canadian Provinces and Territories, CRN #0G8547.5C
  • Stainless Steel Springs Standard
  • Optional Satin or Polished Chrome Finish
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applications

heating

heating

segments

commercial building

commercial building

approvals

CRN

CRN

item number

size

d1

DN1

l1

z1

d2

DN2

l2

z2

h1

V

item number

1030341

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

10303B8

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030302

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030343

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030303

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030344

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030304

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030345

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030305

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030346

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030306

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030348

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030307

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030349

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030308

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030350

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030309

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030351

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030310

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030311

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030312

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

item number

1030392

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

37

z1

20

d2

26.7

DN2

3/4" (DN20)

l2

36

z2

21

h1

13

V

37

technical drawing for product

characteristics

color

chrome, bronze

materials

bronze (ASTM B584-C84400)

finishing

matt chrome, none

shape

straight

connection type

FPT - female thread conical (NPT)

sealing

EPDM, Silicone

general

product group

valves (safety relief valves)

ETIM class

EC011311 Safety valve

brand

Apollo

series

10 Series Safety Relief Valves

UNSPS

40141606

label

value

label

ETIM class

label

Housing material

value

Bronze

label

Connection 1

value

Internal thread conical (NPT)

label

Nominal diameter connection 1

value

3/4 inch (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

3/4 inch (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 Ā°C

value

4.14bar

label

Max. operating pressure at 20 Ā°C (imperial)

value

60psi

label

Medium temperature (continuous)

value

0Ā°C - 121Ā°C

label

Medium temperature (continuous) (imperial)

value

32Ā°F - 249.8Ā°F

label

Length of connection 1

value

36.58mm

label

Length of connection 1 (imperial)

value

1.38"

label

Working length connection 1

value

20.07mm

label

Working length connection 1 (imperial)

value

0.79"

label

Length of connection 2

value

36.07mm

label

Length of connection 2 (imperial)

value

1.42"

label

Working length connection 2

value

20.57mm

label

Working length connection 2 (imperial)

value

0.81"

label

Height

value

87mm

label

Suitable for heating

value

Yes

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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