THE KOENIG CHECK VALVE®

As one of the world’s leading check valve manufacturers, SFC KOENIG® provides flow control check valves for a variety of fluid system applications. The KOENIG CHECK VALVE uses a ball-style design for precise performance, and is available in both forward-flow and reverse-flow models. With its one-piece construction, our check valves are easy-to-install, made of durable stainless steel and available in a wide range of sizes to meet your application requirements.

SFC KOENIG offers in-house engineering support, and can advise on design and performance considerations, as well as check valve manufacturing questions. Our flow control check valve models are pressure rated up to 300 bar and available with 1 +/- 0.3 bar cracking pressures, which can be optimized to meet your design specifications.

More about our flow control restrictor and check valve products. Click the + icon for KOENIG CHECK VALVE product specifications.

Material:

Sleeve: Stainless Steel, 1.4305 (AISI 303)

Pin: Stainless Steel, 1.4542 (AISI 630)

Ball: Bearing Steel, 1.3541 (AISI 420C)

Spring: Stainless Steel, 1.4310 (AISI 301)

Cage: Stainless Steel, 1.4310 (AISI 301)


Type

 

d1

 

l1

 

d2

+0.1

0

 

l2

 

d3

(l3)

~ Ref.

 

d4

max.

l4

max.

l5

min.

O

 

X

±0.15

(s)
~ Ref.

Cracking

Pressure

(bar)

BF660080024000 8.0 10.0 8.0 3.8 7.0 13.8 3.8 3.2 10.0 2.4 0.15 4.0 0 (No spring)
BF660080024014 8.0 10.0 8.0 3.8 7.0 13.8 3.8 3.2 10.0 2.4 0.15 4.0 0.14 (± 0.05)
BF660080024040 8.0 10.0 8.0 3.8 7.0 13.8 3.8 3.2 10.0 2.4 0.15 4.0 0.4 (± 0.3)
BF660080024100 8.0 10.0 8.0 3.8 7.0 13.8 3.8 3.2 10.0 2.4 0.15 4.0 1.0 (± 0.3)

Pressure Performance

Installation force * Max. 18 kN
Anchorage principles Force based (roughness)
Max. working pressure differential * 300 bar / 4350 psi checked direction, 40 bar / 580 psi flow direction
Operating temperature -40° to 150°C (ETG-100, 1.4305, AA2024); -40° to 100°C (AA356, GJS-600)
Cycle-testing (Oil HLP 46) 1 Mio cycles, 5 Hz, 6 bar
Max. leakage rate (Air) 15 sccm/min @ 1.72 bar (172 kPa)
Medium Oil, Water, Air

*Test material: ETG-100, GJS-600, 1.4305, AA356, AA2024 (Avional)

VALVE CHARACTERISTIC CURVE

Flow Curve for 1 bar Valve

Material:

Sleeve: Stainless Steel, 1.4305 (AISI 303)

Pin: Stainless Steel, 1.4542 (AISI 630)

Ball: Bearing Steel, 1.3541 (AISI 420C)

Spring: Stainless Steel, 1.4310 (AISI 301)

Cage: Stainless Steel, 1.4310 (AISI 301)


Type

 

d1

 

l1

 

d2

+0.1

0

 

l2

 

d3

(l3)
~ Ref.

 

l5

min.

O

 

X

±0.15

(s)
~ Ref.

Cracking

Pressure

(bar)

 

BR660080024000 8.0 10.0 8.0 3.8 7.0 13.8 10.0 2.4 0.15 4.0 0.00 (No spring)
BR660080024014 8.0 10.0 8.0 3.8 7.0 13.8 10.0 2.4 0.15 4.0 0.14 (± 0.05)
BR660080024040 8.0 10.0 8.0 3.8 7.0 13.8 10.0 2.4 0.15 4.0 0.40(± 0.30)
BR660080024100 8.0 10.0 8.0 3.8 7.0 13.8 10.0 2.4 0.15 4.0 1.00(± 0.30)

Pressure Performance

Installation force * Max. 18 kN
Anchorage principles Force based (roughness)
Max. working pressure differential * 300 bar / 4350 psi checked direction, 40 bar / 580 psi flow direction
Operating temperature -40° to 150°C (ETG-100, 1.4305, AA2024); -40° to 100°C (AA356, GJS-600)
Cycle-testing (Oil HLP 46) 1 Mio cycles, 5 Hz, 6 bar
Max. leakage rate (Air) 15 sccm/min @ 1.72 bar (172 kPa)
Medium Oil, Water, Air

*Test material: ETG-100, GJS-600, 1.4305, AA356, AA2024 (Avional)

VALVE CHARACTERISTIC CURVE

Flow Curve for 1 bar Valve

Material:

Sleeve: Stainless Steel, 1.4305 (AISI 303)

Pin: Stainless Steel, 1.4021 (AISI 420)

Ball: Bearing Steel, 1.3541 (AISI 420C)

Spring: Stainless Steel, 1.4310 (AISI 301)

Cage: Stainless Steel, 1.4310 (AISI 301)


Type

 

d1

 

l1

 

d2

+0.1

0

 

l2

 

d3

(l3)
~ Ref.

l5

min.

O

 

X

±0.15

(s)
~ Ref.

Cracking

Pressure

(bar)

BR055U000 5.5 7.0 5.5 2.0 4.0 9.0 7.0 1.7 0.15 2.2 0.00 (No spring)
BR055U014 5.5 7.0 5.5 2.0 4.0 9.0 7.0 1.7 0.15 2.2 0.14 (± 0.05)
BR055U025 5.5 7.0 5.5 2.0 4.0 9.0 7.0 1.7 0.15 2.2 0.25 (± 0.1)
BR055U040 5.5 7.0 5.5 2.0 4.0 9.0 7.0 1.7 0.15 2.2 0.40 (± 0.3)
BR055U050 5.5 7.0 5.5 2.0 4.0 9.0 7.0 1.7 0.15 2.2 0.50 (± 0.3)
BR055U100 5.5 7.0 5.5 2.0 4.0 9.0 7.0 1.7 0.15 2.2 1.00 (± 0.3)
BR055U200 5.5 7.0 5.5 2.0 4.0 9.0 7.0 1.7 0.15 2.2 2.00 (± 0.3)

Pressure Performance

Installation force * Max. 18 kN
Anchorage principles Force based (roughness)
Max. working pressure differential * 300 bar / 4350 psi checked direction, 40 bar / 580 psi flow direction**
Operating temperature -40° to 150°C (ETG-100, 1.4305, AA2024); -40° to 100°C (AA356, GJS-600)
Cycle-testing (Oil HLP 46) 1 Mio cycles, 5 Hz, 6 bar
Max. leakage rate (Air) 15 sccm/min @ 1.72 bar (172 kPa)
Medium Oil, Water, Air

*Test material: ETG-100, GJS-600, 1.4305, AA356, AA2024 (Avional)

**Part BR055U014, 30 bar / 440 psi in Flow Direction

VALVE CHARACTERISTIC CURVE

Flow Curve for 1 bar Valve


行业

Industries

Our parts are proven reliable in a variety of industries and applications, including transportation, fluid power, precision and microhydraulics.

worldwide

Global presence

SFC KOENIG’s efficient business networks span the globe with locations in all key regions and a broad network of Distribution Partners.

certificates

certificates

Our sealing and flow control solutions comply with global quality assurance and certification standards.