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 All Categories    Series 700 Kep-O-seal® Check and Relief Valve
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All Categories > Kepner Valves > Check / Relief Valves > Series 700 Kep-O-seal® Check and Relief Valve > Item # 704  
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Item # 704, Series 700 Kep-O-seal® Check and Relief Valve

List Price $40.49


These spring-operated poppet valves, with optional relief settings, allow free flow in only one direction and prevent backflow – sometimes referred to as “backflow preventor”, “flow stop”, or “non-return” valve. They also are used for relief and by-pass functions; however, they should not be used as safety relief valves. Kepner's Flexible Seal Seat™ combines metal-to-metal contact with a resilient seal seat ensuring dependable bubble-tight shutoff of liquid or gas, and long service life. Standard and specialty valve designs handle a wide variety of applications.




Specifications  · Features and Benefits

Specifications

Body Materials

303 Stainless Steel
316 Stainless Steel

Aluminum

Brass

Standard Steel

O-Ring Seals1

Buna-N
Neoprene

Viton®

EP

Temperature2

-300 to 450 ºF
-184 to 232
ºC

Crack Pressure Ranges

1 to 2 psi
0.07 to 0.14
bar

Relief / Check Crack Pressures

5 psi
10
psi
25
psi
50
psi
65
psi
0.35
bar
0.7
bar
1.7
bar
3.5
bar
4.5
bar

Max. Operating Pressure

3000 psi
207
bar

Max. Flow

500 gpm
1893
lpm

A - Total Length

2.49 in

B1

0.550 in

B2

0.400 in

C

1.54 in

D

0.200 in

E

0.230 in

F Hex

11/16 in

G - End Connections

1/4 JIC

H - End Connections

1/8 MPT
1 Other materials available
2 O-Ring dependent


Features and Benefits

- Flexible Seal Seat™ for zero leak (bubble-tight) seal at low and high pressures
- O-Ring seal positively secured
- Non-pressurized threads
- Poppet stop inside valve body prevents spring from bottoming out
- Generous flow passages allow full flow with minimal pressure drop



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1941 W. County Road C-2 •  Roseville, MN 55113 •  Phone: 651-633-0550 • Fax: 651-633-6797  • Email: sales@mmrogness.com

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