SCVM16 by Dixon Valve | Safety Check Valve | 2" Hose ID | 2" Male NPT x 2" Female NPT | 725-825 SCFM Cut-Off Flow Rate | Brass

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Dixon Valve & Coupling
Safety Check Valve

Used in temporary plant/factory air lines, construction sites, shipyards, or utilities.

Automatically senses change in air flow and shuts off the flow in the event of a surge in excess of valve flow rating thus preventing hose whip.

Quantity

Specifications for Variant SKU: SCVM16 Dixon
Shape (Orientation):	Straight
Ends Configuration:	2in Male NPT, 2in Female NPT
Material(s):	Brass

Features:
High-flow valve provides optimum performance. Controls excess air flow (SCFM) in only one direction. Does not prevent backflow.
Materials:
Solid brass body and valve Stainless steel spring and roll pin
Specifications:
Maximum operating pressure: 350 PSI Maximum temperature: 250°F (121°C)
Approval:
Conforms to OSHA regulation 1926.302 (b) (7) requiring a safety device at the source of the air supply and at branch air lines.
Note:
Not for use in applications where 100% of the available air is required, i.e. sand blast, pile driving rigs, expansion joint blow down pipes, etc.
How It Works:
Safety check valves utilize the pressure differential across the valve to operate the valve and spring assembly. The pressure differential is directly related to the flow of air (SCFM) through the valve. When the pressure differential is within the operating limits - below the cutoff flow - of the unit, the force on the valve exerted by the spring is greater than that caused by the pressure differential (see "Open Position" graphic above). The valve remains open and normal operation continues. When the pressure differential is above the cutoff limit, the force on the valve exerted by the pressure differential is greater than the force exerted by the spring, and the valve closes (see the "Closed Position" graphic to the right). After the repair is made, normal operation is automatically enabled when pressure across the valve equalizes through the bleeder hole. The valve spring size can be specified by determining the air flow during normal operation and by estimating the air flow if a failure or rupture occurs.


Part Number	Male NPT x Female NPT	Hose ID	Cut-off Flow Rate (SCFM at 90 PSI)
SCVL2	1/4" x 1/4"	1/4"	23-29 SCFM
SCVL3	3/8" x 3/8"	3/8"	30-36 SCFM
SCVM3	3/8" x 3/8"	3/8"	39-47 SCFM
SCVS3	3/8" x 3/8"	3/8"	52-65 SCFM
SCVM4	1/2" x 1/2"	1/2"	70-78 SCFM
SCVS4	1/2" x 1/2"	1/2"	80-96 SCFM
SCVL6	3/4" x 3/4"	3/4"	72-88 SCFM
SCVM6	3/4" x 3/4"	3/4"	92-108 SCFM
SCVR6	3/4" x 3/4"	3/4"	112-128 SCFM
SCVJ6	3/4" x 3/4"	3/4"	132-148 SCFM
SCVS6	3/4" x 3/4"	3/4"	160-180 SCFM
SCVH6	3/4" x 3/4"	3/4"	180-200 SCFM
SCVL8	1" x 1"	1"	165-195 SCFM
SCVM8	1" x 1"	1"	220-260 SCFM
SCVS8	1" x 1"	1"	280-320 SCFM
SCVH8	1" x 1"	1"	310-340 SCFM
SCVL10	1-1/4" x 1-1/4"	1-1/4"	260-290 SCFM
SCVM10	1-1/4" x 1-1/4"	1-1/4"	300-340 SCFM
SCVS10	1-1/4" x 1-1/4"	1-1/4"	440-500 SCFM
SCVH10	1-1/4" x 1-1/4"	1-1/4"	570-630 SCFM
SCVL12	1-1/2" x 1-1/2"	1-1/2"	300-360 SCFM
SCVM12	1-1/2" x 1-1/2"	1-1/2"	470-530 SCFM
SCVX12	1-1/2" x 1-1/2"	1-1/2"	564-602 SCFM
SCVS12	1-1/2" x 1-1/2"	1-1/2"	640-720 SCFM
SCVH12	1-1/2" x 1-1/2"	1-1/2"	750-830 SCFM
SCVL16	2" x 2"	2"	510-590 SCFM
SCVM16	2" x 2"	2"	725-825 SCFM
SCVS16	2" x 2"	2"	900-1050 SCFM
SCVH16	2" x 2"	2"	1100-1200 SCFM
SCVL24	3" x 3"	3"	1200-1400 SCFM
SCVS24	3" x 3"	3"	2400-2700 SCFM
SCVH24	3" x 3"	3"	2850-3050 SCFM

Dixon Valve & Coupling

Dixon, founded in 1916, is a premier manufacturer and supplier of hose couplings, valves, dry disconnects, swivels, and other fluid transfer and control products. Our global reach includes a wide range of products for numerous industries including petroleum exploration, refining, transportation, chemical processing, food and beverage, steel, fire protection, construction, mining, and manufacturing.

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