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Basic-Check® Threaded In-Line Check Valves
Threaded Check Valves
The DFT® Basic-Check® Valve is a versatile all-purpose, non-slam valve that provides reliable, low-maintenance service for a wide range of liquids, steam and gases at various pressure/temperature combinations. The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc. to form a complete check valve unit ideally suited for a broad range of pipeline applications or incorporated into machinery for OEM applications. The metal-to-metal sealing area of the Basic-Check® valve’s disc and seat is precision-lapped, providing very tight shutoff of gas, steam and liquid. If bubble-tight shutoff is required, optional resilient soft seats are available.
Standard Features:
Standard Features:
- 1/4" to 2 1/2" Line Size
- 450 to 6000 CWP
- Threaded Ends
- Stainless Steel Construction
- Spring-Assisted Silent Closing
- Horizontal or Vertical Installation
- Tight Shutoff - Lapped Disc & Seat
- Easy Maintenance
Prod. # |
Inventory |
Series |
Size |
Line Size Inlet (FNPT) A |
Outside Thread (MNPT) B |
Style |
Cold Working Pressure |
Valve Cracking Pressure |
Seat |
ENDS |
Rfi_link |
Inventory |
List Price |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
8004-57 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.75 in20 mm | Line Size Inlet (FNPT) A N/A 0.75 in | Outside Thread (MNPT) B N/A 1.50 in | Style N/A BSS | Cold Working Pressure N/A 2000 psig138 barg | Valve Cracking Pressure N/A 0.44 psi0.03 bar12.1 in.water307 mm.water22.6 mmHg | Seat N/A 303 SS/EPDM | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8004-54 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.75 in20 mm | Line Size Inlet (FNPT) A N/A 0.75 in | Outside Thread (MNPT) B N/A 1.50 in | Style N/A BSS | Cold Working Pressure N/A 2000 psig138 barg | Valve Cracking Pressure N/A 0.44 psi0.03 bar12.1 in.water307 mm.water22.6 mmHg | Seat N/A 303 SS/Zelon® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8004-51 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.75 in20 mm | Line Size Inlet (FNPT) A N/A 0.75 in | Outside Thread (MNPT) B N/A 1.50 in | Style N/A BSS | Cold Working Pressure N/A 2000 psig138 barg | Valve Cracking Pressure N/A 0.44 psi0.03 bar12.1 in.water307 mm.water22.6 mmHg | Seat N/A 303 SS/Viton® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8004-49 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.75 in20 mm | Line Size Inlet (FNPT) A N/A 0.75 in | Outside Thread (MNPT) B N/A 1.50 in | Style N/A BSS | Cold Working Pressure N/A 2000 psig138 barg | Valve Cracking Pressure N/A 0.44 psi0.03 bar12.1 in.water307 mm.water22.6 mmHg | Seat N/A 303 SS/Buna | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8004X |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.75 in20 mm | Line Size Inlet (FNPT) A N/A 0.75 in | Outside Thread (MNPT) B N/A 1.50 in | Style N/A BSS | Cold Working Pressure N/A 2000 psig138 barg | Valve Cracking Pressure N/A 0.44 psi0.03 bar12.1 in.water307 mm.water22.6 mmHg | Seat N/A 303 SS | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8005-98 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1 in25 mm | Line Size Inlet (FNPT) A N/A 1.00 in | Outside Thread (MNPT) B N/A 2.00 in | Style N/A BSS | Cold Working Pressure N/A 1500 psig103 barg | Valve Cracking Pressure N/A 0.36 psi0.025 bar10.1 in.water257 mm.water18.8 mmHg | Seat N/A 303 SS/TFE®-Viton® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8005-57 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1 in25 mm | Line Size Inlet (FNPT) A N/A 1.00 in | Outside Thread (MNPT) B N/A 2.00 in | Style N/A BSS | Cold Working Pressure N/A 1500 psig103 barg | Valve Cracking Pressure N/A 0.36 psi0.025 bar10.1 in.water257 mm.water18.8 mmHg | Seat N/A 303 SS/EPDM | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8005-54 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1 in25 mm | Line Size Inlet (FNPT) A N/A 1.00 in | Outside Thread (MNPT) B N/A 2.00 in | Style N/A BSS | Cold Working Pressure N/A 1500 psig103 barg | Valve Cracking Pressure N/A 0.36 psi0.025 bar10.1 in.water257 mm.water18.8 mmHg | Seat N/A 303 SS/Zelon® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8005-51 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1 in25 mm | Line Size Inlet (FNPT) A N/A 1.00 in | Outside Thread (MNPT) B N/A 2.00 in | Style N/A BSS | Cold Working Pressure N/A 1500 psig103 barg | Valve Cracking Pressure N/A 0.36 psi0.025 bar10.1 in.water257 mm.water18.8 mmHg | Seat N/A 303 SS/Viton® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8005-49 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1 in25 mm | Line Size Inlet (FNPT) A N/A 1.00 in | Outside Thread (MNPT) B N/A 2.00 in | Style N/A BSS | Cold Working Pressure N/A 1500 psig103 barg | Valve Cracking Pressure N/A 0.36 psi0.025 bar10.1 in.water257 mm.water18.8 mmHg | Seat N/A 303 SS/Buna | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8005X |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1 in25 mm | Line Size Inlet (FNPT) A N/A 1.00 in | Outside Thread (MNPT) B N/A 2.00 in | Style N/A BSS | Cold Working Pressure N/A 1500 psig103 barg | Valve Cracking Pressure N/A 0.36 psi0.025 bar10.1 in.water257 mm.water18.8 mmHg | Seat N/A 303 SS | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8006-57 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.25 in32 mm | Line Size Inlet (FNPT) A N/A 1.25 in | Outside Thread (MNPT) B N/A 2.50 in | Style N/A BSS | Cold Working Pressure N/A 850 psig58.6 barg | Valve Cracking Pressure N/A 0.16 psi0.011 bar4.5 in.water114 mm.water8.4 mmHg | Seat N/A 303 SS/EPDM | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8006-54 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.25 in32 mm | Line Size Inlet (FNPT) A N/A 1.25 in | Outside Thread (MNPT) B N/A 2.50 in | Style N/A BSS | Cold Working Pressure N/A 850 psig58.6 barg | Valve Cracking Pressure N/A 0.16 psi0.011 bar4.5 in.water114 mm.water8.4 mmHg | Seat N/A 303 SS/Zelon® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8006-51 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.25 in32 mm | Line Size Inlet (FNPT) A N/A 1.25 in | Outside Thread (MNPT) B N/A 2.50 in | Style N/A BSS | Cold Working Pressure N/A 850 psig58.6 barg | Valve Cracking Pressure N/A 0.16 psi0.011 bar4.5 in.water114 mm.water8.4 mmHg | Seat N/A 303 SS/Viton® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8006-49 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.25 in32 mm | Line Size Inlet (FNPT) A N/A 1.25 in | Outside Thread (MNPT) B N/A 2.50 in | Style N/A BSS | Cold Working Pressure N/A 850 psig58.6 barg | Valve Cracking Pressure N/A 0.16 psi0.011 bar4.5 in.water114 mm.water8.4 mmHg | Seat N/A 303 SS/Buna | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8006X |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.25 in32 mm | Line Size Inlet (FNPT) A N/A 1.25 in | Outside Thread (MNPT) B N/A 2.50 in | Style N/A BSS | Cold Working Pressure N/A 850 psig58.6 barg | Valve Cracking Pressure N/A 0.16 psi0.011 bar4.5 in.water114 mm.water8.4 mmHg | Seat N/A 303 SS | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8007-98 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.5 in40 mm | Line Size Inlet (FNPT) A N/A 1.50 in | Outside Thread (MNPT) B N/A 3.00 in | Style N/A BSS | Cold Working Pressure N/A 700 psig48.3 barg | Valve Cracking Pressure N/A 0.15 psi0.01 bar4.2 in.water107 mm.water7.8 mmHg | Seat N/A 303 SS/TFE®-Viton® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8007-57 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.5 in40 mm | Line Size Inlet (FNPT) A N/A 1.50 in | Outside Thread (MNPT) B N/A 3.00 in | Style N/A BSS | Cold Working Pressure N/A 700 psig48.3 barg | Valve Cracking Pressure N/A 0.15 psi0.01 bar4.2 in.water107 mm.water7.8 mmHg | Seat N/A 303 SS/EPDM | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8007-54 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.5 in40 mm | Line Size Inlet (FNPT) A N/A 1.50 in | Outside Thread (MNPT) B N/A 3.00 in | Style N/A BSS | Cold Working Pressure N/A 700 psig48.3 barg | Valve Cracking Pressure N/A 0.15 psi0.01 bar4.2 in.water107 mm.water7.8 mmHg | Seat N/A 303 SS/Zelon® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8007-51 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.5 in40 mm | Line Size Inlet (FNPT) A N/A 1.50 in | Outside Thread (MNPT) B N/A 3.00 in | Style N/A BSS | Cold Working Pressure N/A 700 psig48.3 barg | Valve Cracking Pressure N/A 0.15 psi0.01 bar4.2 in.water107 mm.water7.8 mmHg | Seat N/A 303 SS/Viton® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8007-49 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.5 in40 mm | Line Size Inlet (FNPT) A N/A 1.50 in | Outside Thread (MNPT) B N/A 3.00 in | Style N/A BSS | Cold Working Pressure N/A 700 psig48.3 barg | Valve Cracking Pressure N/A 0.15 psi0.01 bar4.2 in.water107 mm.water7.8 mmHg | Seat N/A 303 SS/Buna | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8007X |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 1.5 in40 mm | Line Size Inlet (FNPT) A N/A 1.50 in | Outside Thread (MNPT) B N/A 3.00 in | Style N/A BSS | Cold Working Pressure N/A 700 psig48.3 barg | Valve Cracking Pressure N/A 0.15 psi0.01 bar4.2 in.water107 mm.water7.8 mmHg | Seat N/A 303 SS | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8008-98 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2 in50 mm | Line Size Inlet (FNPT) A N/A 2.00 in | Outside Thread (MNPT) B N/A 4.00 in | Style N/A BSS | Cold Working Pressure N/A 450 psig31.0 barg | Valve Cracking Pressure N/A 0.1 psi0.007 bar2.6 in.water66 mm.water4.8 mmHg | Seat N/A 303 SS/TFE®-Viton® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8008-57 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2 in50 mm | Line Size Inlet (FNPT) A N/A 2.00 in | Outside Thread (MNPT) B N/A 4.00 in | Style N/A BSS | Cold Working Pressure N/A 450 psig31.0 barg | Valve Cracking Pressure N/A 0.1 psi0.007 bar2.6 in.water66 mm.water4.8 mmHg | Seat N/A 303 SS/EPDM | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8008-54 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2 in50 mm | Line Size Inlet (FNPT) A N/A 2.00 in | Outside Thread (MNPT) B N/A 4.00 in | Style N/A BSS | Cold Working Pressure N/A 450 psig31.0 barg | Valve Cracking Pressure N/A 0.1 psi0.007 bar2.6 in.water66 mm.water4.8 mmHg | Seat N/A 303 SS/Zelon® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} |