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3/8" Vertical Check Valve SUS304 3/8" Vertical Check Valve SUS304
3/8" Vertical Check Valve SUS304 Front View 3/8" Vertical Check Valve SUS304 Front View
3/8" Vertical Check Valve SUS304 Front View 3/8" Vertical Check Valve SUS304 Front View

Item Description

Stainless Steel Check Valves

Highly Corrosion Resistant with PTFE Seals

by Duda Energy

Check valves are used to help direct flow in one direction. The stainless steel bodies and PTFE seals are highly corrosion resistant allowing these check valves to be used with a wide variety of fluids including, but not limited to water, oil, gas, air, light alkali's, acids, biodiesel, fuels and alcohols.

Swing check valves are for horizontal use only. When fluid pushes on the stopper in the correct direction, it will "swing" open to allow flow. If flow moves in the opposite direction, it will swing shut. The check valve cannot be used in vertical applications as gravity may affect the function of the swinging motion.

Vertical check valves may be used for any application. They utilize a spring system which shuts the Disc closed when there is not enough pressure to hold it open by the operating fluid. Fluid pressure in the backwards direction will cause the valve to close to prevent backflow.

Note: Check valves do not create a 100% seal against backflow like a ball valve would. If prevention of backflow is desired, two check valves should be used in series with each other. Any fluid which finds its way past the first check valve is unlikely to have enough pressure to pass through the 2nd.

Both check valves are 2-piece and servicable. They may be opened by unthreading at one of the port ends.

General Specifications for Check Valves

Type
Swing
Vertical
Fluid Media
Water, Oil, Biodiesel, Air & Other Fluids
Orientation
Horizontal
Horizontal & Vertical
Max Working Temperature
-29°C to 150°C (-20°F to 302°F)
Nominal Working Pressure
200 Psi
1000 Psi
Shell Test Pressure
2.1 Mpa (305 psi)
10.4 Mpa (1500 psi)
Tightness Test Pressure
1.6 Mpa (232 psi)
7.6 Mpa (1100 psi)
Gas Tightness Test Pressure
0.4~0.7 Mpa (58~100 psi)
Port Types:
Female NPT x Female NPT

 

Swing Check Valve Material Types

Part Identification
Material
1. Bonnet
304 Stainless Steel / CF8
2. Seal Ring
PTFE (Teflon)
3. Body
304 Stainless Steel / CF8
4. Pin
5. Nut
6. Seal Ring
PTFE (Teflon)
7. Disc
304 Stainless Steel / CF8

 

Vertical Check Valve Material Types

Part Identification
Material
1. Seal Ring
PTFE (Teflon)
2. Bonnet
304 Stainless Steel / CF8
3. Spring
4. Disc
5. Body

 

Swing Check Valve Dimensions

Size
A
L
H
Weight
1/2"
15mm (0.6")
65.6mm (2.6")
40mm (1.6")
0.56 lb
3/4"
20mm (0.8")
79.6mm (3.1")
45mm (1.8")
0.77 lb
1"
25mm (1.0")
89.6mm (3.5")
50mm (2.0")
1.06 lb
1-1/4"
31mm (1.2")
102.6mm (4.0")
60mm (2.4")
1.69 lb
1-1/2"
37mm (1.5")
118.6mm (4.7")
65mm (2.6")
2.73 lb
2"
47mm (1.9")
135.6mm (5.3")
75mm (3.0")
3.85 lb

 

Vertical Check Valve Dimensions

Size
d
L
Weight
1/2"
15mm (0.6")
61mm (2.4")
0.45 lb
3/4"
20mm (0.8")
70mm (2.8")
0.66 lb
1"
25mm (1.0")
73mm (2.9")
1.03 lb
1-1/4"
32mm (1.3")
92 (3.6")
1.50 lb
1-1/2"
40mm (1.6")
101mm (4.0")
2.46 lb
2"
50mm (2.0")
114mm (4.5")
3.48 lb

 

 

3/8" Vertical Check Valve SUS304
Vertical Check Valve
• 3/8" Female NPT, WOG1000, Spring Loaded
• All metal 304 Stainless Steel Parts, PTFE Seals
• Serviceable 2-Piece Check Valve
QTY
$Ea.
1+
7.75
5+
7.36
10+
7.36
25+
7.36
100+
7.36
In stock
QTY
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