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17400

group: 17400

17-400 series pressure only relief valves are engineered to protect against excessive pressure buildup due to thermal expansion in hot water supply systems. Both models are CSA certified to ANSI Z21.22 “Relief Valves for Hot Water Supply Systems”. In addition the 17-402 is design certified to ASME Section IV for hot water relief.
  • Pressure Settings 75 thru 150 psi @ 250°F max
  • ASME Section IV Hot Water, Model 17-402 only
  • Cast Bronze Body, Stainless Steel Springs
  • Soft Seat for Durability, Extended Service Life
  • Conforms to HUD / FHA Requirements
  • Proudly Made in the USA

 

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segments

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approvals

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item number

size

d1

DN1

l1

d2

DN2

l2

z2

h1

V

item number

17402120

size

3/4" (DN20)

d1

26.7

DN1

3/4" (DN20)

l1

41

d2

26.7

DN2

3/4" (DN20)

l2

29

z2

18

h1

10

V

29

technical drawing for product

characteristics

materials

bronze

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

17 Series Safety Relief Valves

type

17402XXX

label

value

label

ETIM class

label

Housing material

value

Bronze

label

Connection 1

value

External 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

Surface protection

value

Untreated

label

Length of connection 1

value

41.15mm

label

Length of connection 1 (imperial)

value

1.62"

label

Length of connection 2

value

28.8mm

label

Length of connection 2 (imperial)

value

1.13"

label

Working length connection 2

value

18.44mm

label

Working length connection 2 (imperial)

value

0.73"

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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