Series 519

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519502A.png
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Product Description

Differential pressure bypass valve for hydronic systems
Complete with:

  • Brass body 

Connection Options:

  • Size: ¾ - 1¼" 
  • Connection Type: NPT Male, Press, Sweat, Female NPT

Technical data

Material: brass
Adjustable differential pressure setting: 2 - 10 psi
Medium temperature range: 32 – 230 °F
Maximum working pressure: 150 psi

Drawings and specifications

Part number Inlet Connection Outlet Connection Actions
519502A 3/4" NPT male
union
3/4" NPT male
union
3D models
Tender text
CALEFFI, 519502A. Differential pressure by-pass valve For use in hydronic systems Inlet Connection: 3/4" NPT male, union. Outlet Connection: 3/4" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 230 °F. Material: brass.
SCIP code
d6342c6d-0419-4163-9eae-dafaba8ffa81
519566A 3/4" Press
union
3/4" Press
union
3D models
Tender text
CALEFFI, 519566A. Differential pressure by-pass valve For use in hydronic systems Inlet Connection: 3/4" Press, union. Outlet Connection: 3/4" Press, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 230 °F.
519599A 3/4" Sweat
union
3/4" Sweat
union
3D models
Tender text
CALEFFI, 519599A. Differential pressure bypass valve Differential pressure bypass valve for hydronic systems Complete with: Brass body  Connection Options: Size: ¾ - 1¼"  Connection Type: NPT Male, Press, Sweat, Female NPT Inlet Connection: 3/4" Sweat, union. Outlet Connection: 3/4" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 230 °F.
519600A 1" NPT female
1" NPT male
union
3D models
Tender text
CALEFFI, 519600A. Differential pressure bypass valve Differential pressure bypass valve for hydronic systems Complete with: Brass body  Connection Options: Size: ¾ - 1¼"  Connection Type: NPT Male, Press, Sweat, Female NPT Inlet Connection: 1" NPT female. Outlet Connection: 1" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 230 °F.
519609A 1" NPT female
1" Sweat
union
2D drawings
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3D models
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Tender text
CALEFFI, 519609A. Differential pressure bypass valve Differential pressure bypass valve for hydronic systems Complete with: Brass body  Connection Options: Size: ¾ - 1¼"  Connection Type: NPT Male, Press, Sweat, Female NPT Inlet Connection: 1" NPT female. Outlet Connection: 1" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 230 °F.
519700A 1 1/4" NPT female
1 1/4" NPT male
union
3D models
Tender text
CALEFFI, 519700A. Differential pressure bypass valve Differential pressure bypass valve for hydronic systems Complete with: Brass body  Connection Options: Size: ¾ - 1¼"  Connection Type: NPT Male, Press, Sweat, Female NPT Inlet Connection: 1 1/4" NPT female. Outlet Connection: 1 1/4" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 230 °F.
519709A 1 1/4" NPT female
1 1/4" Sweat
union
3D models
Tender text
CALEFFI, 519709A. Differential pressure bypass valve Differential pressure bypass valve for hydronic systems Complete with: Brass body  Connection Options: Size: ¾ - 1¼"  Connection Type: NPT Male, Press, Sweat, Female NPT Inlet Connection: 1 1/4" NPT female. Outlet Connection: 1 1/4" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 230 °F.

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