Advanced Search by Product Number
Find My Check Valve
Basic-Check® Threaded In-Line Check Valves
Petroleum Production & Refining
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
8001X |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.25 in8 mm | Line Size Inlet (FNPT) A N/A 0.25 in | Outside Thread (MNPT) B N/A 1.00 in | Style N/A BSS | Cold Working Pressure N/A 2500 psig172 barg | Valve Cracking Pressure N/A 0.6 psi0.041 bar16.7 in.water424 mm.water31.1 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} | |
8001-98 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.25 in8 mm | Line Size Inlet (FNPT) A N/A 0.25 in | Outside Thread (MNPT) B N/A 1.00 in | Style N/A BSS | Cold Working Pressure N/A 2500 psig172 barg | Valve Cracking Pressure N/A 0.6 psi0.041 bar16.7 in.water424 mm.water31.1 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} | |
8001-57 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.25 in8 mm | Line Size Inlet (FNPT) A N/A 0.25 in | Outside Thread (MNPT) B N/A 1.00 in | Style N/A BSS | Cold Working Pressure N/A 2500 psig172 barg | Valve Cracking Pressure N/A 0.6 psi0.041 bar16.7 in.water424 mm.water31.1 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} | |
8001-54 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.25 in8 mm | Line Size Inlet (FNPT) A N/A 0.25 in | Outside Thread (MNPT) B N/A 1.00 in | Style N/A BSS | Cold Working Pressure N/A 2500 psig172 barg | Valve Cracking Pressure N/A 0.6 psi0.041 bar16.7 in.water424 mm.water31.1 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} | |
8001-51 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.25 in8 mm | Line Size Inlet (FNPT) A N/A 0.25 in | Outside Thread (MNPT) B N/A 1.00 in | Style N/A BSS | Cold Working Pressure N/A 2500 psig172 barg | Valve Cracking Pressure N/A 0.6 psi0.041 bar16.7 in.water424 mm.water31.1 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} | |
8001-49 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.25 in8 mm | Line Size Inlet (FNPT) A N/A 0.25 in | Outside Thread (MNPT) B N/A 1.00 in | Style N/A BSS | Cold Working Pressure N/A 2500 psig172 barg | Valve Cracking Pressure N/A 0.6 psi0.041 bar16.7 in.water424 mm.water31.1 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} | |
8001 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 0.25 in8 mm | Line Size Inlet (FNPT) A N/A 0.25 in | Outside Thread (MNPT) B N/A 1.00 in | Style N/A BSS | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | Valve Cracking Pressure N/A 0.6 psi0.041 bar16.7 in.water424 mm.water31.1 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} | |
8000X |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2.5 in65 mm | Line Size Inlet (FNPT) A N/A 2.50 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 | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8000-98 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2.5 in65 mm | Line Size Inlet (FNPT) A N/A 2.50 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} | |
8000-57 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2.5 in65 mm | Line Size Inlet (FNPT) A N/A 2.50 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} | |
8000-54 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2.5 in65 mm | Line Size Inlet (FNPT) A N/A 2.50 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} | |
8000-51 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2.5 in65 mm | Line Size Inlet (FNPT) A N/A 2.50 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/Viton® | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8000-49 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2.5 in65 mm | Line Size Inlet (FNPT) A N/A 2.50 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/Buna | ENDS N/A NPT (Threaded) | Inventory N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= | {QUOTE} | |
8000 |
Inventory
N/A {0} |
Series N/A Basic-Check® | Size N/A 2.5 in65 mm | Line Size Inlet (FNPT) A N/A 2.50 in | Outside Thread (MNPT) B N/A 4.00 in | Style N/A BSS | Cold Working Pressure N/A 0 psig450 psig0 barg31.0 barg | Valve Cracking Pressure N/A 0.1 psi0.007 bar2.6 in.water66 mm.water4.8 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} |