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Restrictor Threaded In-Line Check Valves
Restrictor Check Valves
The DFT® Restrictor Check Valve (RCV) is a versatile, all-purpose, spring-assisted, in-line check valve for applications that require higher cracking pressures to open the check valve than those offered by other DFT® check valves. Cracking pressures are available from 2 to 40 psi. Like the Basic-Check® valve, the Restrictor Check provides reliable, low maintenance service for a wide range of fluids 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 couplings, drain elbows, etc. (not provided by DFT®) to form a complete check valve unit ideally suited for a broad range of applications. The RCV should not be considered a substitute for a Pressure Relief Valve.
Not recommended for use on discharge of reciprocating compressors.
Warning: Use with extra deep, bell reducer only
Standard Features:
Not recommended for use on discharge of reciprocating compressors.
Warning: Use with extra deep, bell reducer only
Standard Features:
- 1/4" to 2 1/2" Line Size
- Higher Cracking Pressures (2 to 40 psi)
- 450 to 2500 CWP
- Threaded Ends
- Stainless Steel Construction
- Spring-Assisted Silent Closing
- Horizontal or Vertical Installation
- Tight Shutoff - Lapped Disc & Seat
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Prod. # |
Inventory |
Series |
Size |
Outside Thread (MNPT) B |
Valve Cracking Pressure |
Cold Working Pressure |
Seat |
ENDS |
Rfi_link |
Inventory |
List Price |
---|---|---|---|---|---|---|---|---|---|---|---|
5639 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.25 in8 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 3.3 psi0.228 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5640 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.25 in8 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 5.3 psi0.365 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5641 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.25 in8 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 8.1 psi0.558 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5642 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.25 in8 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 10.9 psi0.752 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5650C204 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.25 in8 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 20.4 psi1.407 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5643 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.375 in10 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 3.3 psi0.228 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5644 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.375 in10 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 5.3 psi0.365 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5645 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.375 in10 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 8.1 psi0.558 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5646 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.375 in10 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 10.9 psi0.752 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5651C204 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.375 in10 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 20.4 psi1.407 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5616 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.5 in15 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 3.3 psi0.228 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5617 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.5 in15 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 5.3 psi0.365 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5618 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.5 in15 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 8.1 psi0.558 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5619 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.5 in15 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 10.9 psi0.752 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5652C204 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.5 in15 mm | Outside Thread (MNPT) B N/A 1.00 in | Valve Cracking Pressure N/A 20.4 psi1.407 bar | Cold Working Pressure N/A 0 psig2500 psig0 barg172 barg | 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} | |
5635 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.75 in20 mm | Outside Thread (MNPT) B N/A 1.50 in | Valve Cracking Pressure N/A 3.3 psi0.228 bar | Cold Working Pressure N/A 0 psig2000 psig0 barg138 barg | 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} | |
5636 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.75 in20 mm | Outside Thread (MNPT) B N/A 1.50 in | Valve Cracking Pressure N/A 5.3 psi0.365 bar | Cold Working Pressure N/A 0 psig2000 psig0 barg138 barg | 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} | |
5637 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.75 in20 mm | Outside Thread (MNPT) B N/A 1.50 in | Valve Cracking Pressure N/A 8.4 psi0.579 bar | Cold Working Pressure N/A 0 psig2000 psig0 barg138 barg | 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} | |
5653C155 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 0.75 in20 mm | Outside Thread (MNPT) B N/A 1.50 in | Valve Cracking Pressure N/A 15.5 psi1.069 bar | Cold Working Pressure N/A 0 psig2000 psig0 barg138 barg | 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} | |
5620 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 1 in25 mm | Outside Thread (MNPT) B N/A 2.00 in | Valve Cracking Pressure N/A 4.2 psi0.29 bar | Cold Working Pressure N/A 0 psig1500 psig0 barg103 barg | 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} | |
5621 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 1 in25 mm | Outside Thread (MNPT) B N/A 2.00 in | Valve Cracking Pressure N/A 6.1 psi0.421 bar | Cold Working Pressure N/A 0 psig1500 psig0 barg103 barg | 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} | |
5622 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 1 in25 mm | Outside Thread (MNPT) B N/A 2.00 in | Valve Cracking Pressure N/A 9.4 psi0.648 bar | Cold Working Pressure N/A 0 psig1500 psig0 barg103 barg | 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} | |
5623 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 1 in25 mm | Outside Thread (MNPT) B N/A 2.00 in | Valve Cracking Pressure N/A 12.9 psi0.889 bar | Cold Working Pressure N/A 0 psig1500 psig0 barg103 barg | 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} | |
5654C155 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 1 in25 mm | Outside Thread (MNPT) B N/A 2.00 in | Valve Cracking Pressure N/A 15.5 psi1.069 bar | Cold Working Pressure N/A 0 psig1500 psig0 barg103 barg | 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} | |
5654C318 |
Inventory
N/A {0} |
Series N/A Restrictor Check | Size N/A 1 in25 mm | Outside Thread (MNPT) B N/A 2.00 in | Valve Cracking Pressure N/A 31.8 psi2.193 bar | Cold Working Pressure N/A 0 psig1500 psig0 barg103 barg | 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} |
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