Series 3047

Serviceable in-line spring check valve

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Product Description

Serviceable in-line spring check valve
Dual union, low lead/ lead free check valve
Complete with:

Low lead/Lead free DZR brass body
Dual union connections

Connection Options:

Sizes: ½ - 2”
Connection Type(s): NPT Male, PEX Crimp, NPT Female, Sweat, Press

Technical data

Material: DZR low lead brass

Medium temperature range: 32 – 250 °F

Maximum working pressure: 150 psi

Certifications

Download

Drawings and specifications

Part number	Connection	Cv
304740A	1/2" NPT male union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304740A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304740A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304740A_Simplify_1.stp Tender text CALEFFI, 304740A. Serviceable low lead check valve (MNPT) Dual union body Connection: 1/2" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Model: A. Cv: 17. Material: DZR low lead brass.
304750A	3/4" NPT male union	17
3D models Tender text CALEFFI, 304750A. Serviceable low lead check valve (MNPT) Dual union body Connection: 3/4" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304760A	1" NPT male union	30
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304760A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304760A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304760A_Simplify_1.stp Tender text CALEFFI, 304760A. Serviceable low lead check valve (MNPT) Dual union body Connection: 1" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 30. Material: DZR low lead brass.
304770A	1 1/4" NPT male union	30
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304770A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304770A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304770A_Simplify_1.stp Tender text CALEFFI, 304770A. Serviceable low lead check valve (MNPT) Dual union body Connection: 1 1/4" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 30. Material: DZR low lead brass.
304780A	1 1/2" NPT male union	75
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304780A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304780A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304780A_Simplify_1.stp Tender text CALEFFI, 304780A. Serviceable low lead check valve (MNPT) Dual union body Connection: 1 1/2" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 75. Material: DZR low lead brass.
304790A	2" NPT male union	75
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304790A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304790A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304790A_Simplify_1.stp Tender text CALEFFI, 304790A. Serviceable low lead check valve (MNPT) Dual union body Connection: 2" NPT male, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 75. Material: DZR low lead brass.
304743A	1/2" NPT female union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304743A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304743A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304743A_Simplify_1.stp Tender text CALEFFI, 304743A. Serviceable low lead check valve (FNPT) Dual union body Connection: 1/2" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304753A	3/4" NPT female union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304753A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304753A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304753A_Simplify_1.stp Tender text CALEFFI, 304753A. Serviceable low lead check valve (FNPT) Dual union body Connection: 3/4" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304763A	1" NPT female union	30
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304763A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304763A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304763A_Simplify_1.stp Tender text CALEFFI, 304763A. Serviceable low lead check valve (FNPT) Dual union body Connection: 1" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 30. Material: DZR low lead brass.
304773A	1 1/4" NPT female union	30
3D models Tender text CALEFFI, 304773A. Serviceable low lead check valve (FNPT) Dual union body Connection: 1 1/4" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 30. Material: DZR low lead brass.
304793A	2" NPT female union	75
3D models Tender text CALEFFI, 304793A. Serviceable low lead check valve (FNPT) Dual union body Connection: 2" NPT female, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 75. Material: DZR low lead brass.
304746A	1/2" Press union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304746A%20_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304746A%20_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304746A%20_Simplify_1.stp Tender text CALEFFI, 304746A. Serviceable low lead check valve (press) Dual union body Connection: 1/2" Press, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304756A	3/4" Press union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304756A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304756A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304756A_Simplify_1.stp Tender text CALEFFI, 304756A. Serviceable low lead check valve (press) Dual union body Connection: 3/4" Press, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304766A	1" Press union	30
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304766A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304766A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304766A_Simplify_1.stp Tender text CALEFFI, 304766A. Serviceable low lead check valve (press) Dual union body Connection: 1" Press, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 30. Material: DZR low lead brass.
304776A	1 1/4" Press union	30
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304776A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304776A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304776A_Simplify_1.stp Tender text CALEFFI, 304776A. Serviceable low lead check valve (press) Dual union body Connection: 1 1/4" Press, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 30. Material: DZR low lead brass.
304786A	1 1/2" Press union	75
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304786A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304786A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304786A_Simplify_1.stp Tender text CALEFFI, 304786A. Serviceable low lead check valve (press) Dual union body Connection: 1 1/2" Press, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 75. Material: DZR low lead brass.
304796A	2" Press union	75
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304796A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304796A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304796A_Simplify_1.stp Tender text CALEFFI, 304796A. Serviceable low lead check valve (press) Dual union body Connection: 2" Press, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 75. Material: DZR low lead brass.
304747A	1/2" PEX crimp union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304747A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304747A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304747A_Simplify_1.stp Tender text CALEFFI, 304747A. Serviceable low lead check valve (PEX) Dual union body Connection: 1/2" PEX crimp, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304748A	1/2" PEX expansion union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304748A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304748A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304748A_Simplify_1.stp Tender text CALEFFI, 304748A. Serviceable low lead check valve (PEX) Dual union body Connection: 1/2" PEX expansion, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304757A	3/4" PEX crimp union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304757A%20_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304757A%20_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304757A%20_Simplify_1.stp Tender text CALEFFI, 304757A. Serviceable low lead check valve (PEX) Dual union body Connection: 3/4" PEX crimp, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304758A	3/4" PEX expansion union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304758A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304758A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304758A_Simplify_1.stp Tender text CALEFFI, 304758A. Serviceable low lead check valve (PEX) Dual union body Connection: 3/4" PEX expansion, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304749A	1/2" Sweat union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304749A%20_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304749A%20_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304749A%20_Simplify_1.stp Tender text CALEFFI, 304749A. Serviceable low lead check valve (sweat) Dual union body Connection: 1/2" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304759A	3/4" Sweat union	17
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304759A%20_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304759A%20_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304759A%20_Simplify_1.stp Tender text CALEFFI, 304759A. Serviceable low lead check valve (sweat) Dual union body Connection: 3/4" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 17. Material: DZR low lead brass.
304769A	1" Sweat union	30
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304769A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304769A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304769A_Simplify_1.stp Tender text CALEFFI, 304769A. Serviceable low lead check valve (sweat) Dual union body Connection: 1" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 30. Material: DZR low lead brass.
304779A	1 1/4" Sweat union	30
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304779A%20_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304779A%20_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304779A%20_Simplify_1.stp Tender text CALEFFI, 304779A. Serviceable low lead check valve (sweat) Dual union body Connection: 1 1/4" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 30. Material: DZR low lead brass.
304789A	1 1/2" Sweat union	75
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304789A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304789A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304789A_Simplify_1.stp Tender text CALEFFI, 304789A. Serviceable low lead check valve (sweat) Dual union body Connection: 1 1/2" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 75. Material: DZR low lead brass.
304799A	2" Sweat union	75
2D drawings dwg Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304799A_Simplify_1.dwg 3D models igs Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304799A_Simplify_1.igs stp Share this file Download this file Share Facebook Linkedin Twitter https://www.caleffi.com/sites/default/files/media/external-drawing/304799A_Simplify_1.stp Tender text CALEFFI, 304799A. Serviceable low lead check valve (sweat) Dual union body Connection: 2" Sweat, union. Maximum working pressure: 150 psi. Medium temperature range: 32 – 250 °F. Cv: 75. Material: DZR low lead brass.