16LF500

Scraped SKU: 16LF500 2026-06-05 04:26:24

Attributes

Group Code16LF500
Product Typesafety-relief-valve
Brand Seriesapollo-16-series-safety-relief-valves
Applicationsheating, cooling
ApprovalsBuild America Buy America (BABA) Act, Buy American Act (BAA), CRN, Made in USA, NSF
Solutionsutility

Description

The Apollo Valves 16-503 and 16-504 calibrated pressure relief valve allows for in-line pressure adjustments without need for a pressure gauge. Provides static overpressure protection for liquid filled systems such as well pumps, tanks, fire protection systems.

  • Choice of 1/2" or 3/4" inlet connection
  • Factory preset at 100 psi
  • Pressure range 50 to 175 psi, calibrated in 25 psi increments
  • Cast bronze body, stainless steel spring
  • Silicon soft seat, EPDM cap seal
  • Maximum recommended service temperature 200˚F

 

Variations (2)

16LF50301

size1/2"
dimensions-
weight0.37 lb
packagingCarton (1 pce)
d10.84
DN1-
l11.34
d20.84
DN2-
l21.15
z20.68
h11.37
V1.54

16LF50401

size3/4" x 1/2"
dimensions-
weight0.38 lb
packagingCarton (1 pce)
d11.05
DN1-
l11.34
d20.84
DN2-
l21.15
z20.68
h11.37
V0.77

Specifications

article16LF500
article number with gtin16LF500
manufacturerAalberts integrated piping systems Americas, Inc. (Apollo)
weight0.38 lb
colorbronze
materialsbronze (C89836 (lead-free))
finishingnone
shapePerpendicular
connection typeMPT - male thread conical (NPT), FPT - female thread conical (NPT)
max operating pressure liquid175 psi
product groupvalves (safety relief valves)
ETIM classEC011311 Safety valve
country of originUnited States
brandApollo
series16 Series Safety Relief Valves
product type16LF50X01
unsps40141606
ETIM
{"etim-class":"EC011311 Safety valve","Housing material":"Bronze","Connection 1":"External thread conical (NPT)","Connection 2":"Internal thread conical (NPT)","Nominal diameter connection 2":"1/2 inch (15)","Outer pipe diameter connection 2":"21.34mm","Outer pipe diameter connection 2 (imperial)":"0.84\"","Max. operating pressure at 20 °C":"12.07bar","Max. operating pressure at 20 °C (imperial)":"175psi","Surface protection":"Untreated","Length of connection 1":"34.04mm","Length of connection 1 (imperial)":"1.34\"","Length of connection 2":"29.21mm","Length of connection 2 (imperial)":"1.15\"","Working length connection 2":"17.25mm","Working length connection 2 (imperial)":"0.68\"","Height":"","Height (imperial)":"","Suitable for heating":"Yes","Suitable for cooling":"Yes","Suitable for solar heating":"No","Suitable for hot tap water":"No"}

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