THE WHOLE WORLD OFGAS NON-RETURN VALVES AND SAFETY DEVICES IN ACCORDANCE WITH EN 730-2

IBEDA GAS SAFETY ENGINEERING WORLDWIDE IN

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· 05.1

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EffectivesynergiesandnewpossibilitiesaboundwhenyoucombinetheIBEDAproductlinesofGasSafetyEngineering,FlameSpraying,GasManifoldSystemsandAutogenousEngineering.

That means: flexible, affordable, certified and safe products and production solutions from a single supplier,as well as conservation of valuable natural resources.

Wewillnevercompromiseonsafety.Wearecommittedtotheongoingdevelopmentofnewproductsaswellascontinuingtoimproveourexistingproducts.Weareabletoprovidewell-engineeredandreliablesafetysolutionsforeveryindustrialapplication,allwithcertification!

SECURE THE ADVANTAGES!

2

GASSAFETYENGINEERINGGAS SAFETY ENGINEERING

AUTOGENOUSENGINEERINGAUTOGENOUS ENGINEERING

GASMANIFOLDSYSTEMSGAS MANIFOLD SYSTEMS

FLAMESPRAYINGFLAME SPRAYING

Thesafetydevicesareused tosafeguardplants,pipelinesystemsand tappingpoints.Thecheckvalves typeGRVpreventgasreturn.The flashback-resistant gas non-return valves type GRS prevent gas return as well as flashback if compressed air is used as an oxidant.

THE GAS NON-RETURN VALVES ARE AVAILABLE IN THREE SIZES, DN 25, DN 32 AND DN 50, WITH THREAD FROM ½″ TO 2″ AS WELL AS SPECIAL FLANGE CONNECTION UP TO NOMINAL DIAMETER OF DN 50.

GAS NON-RETURN VALVESIN ACCORDANCE WITH EN 730-2

3

CERTIFIED SAFETY YOU CAN RELY ON!Thesafetydevicessatisfytherequirementsspecifiedinallrelevantstandardsanddirectives.TheyaretestedbyBAMinBerlinandareregisteredundertheDVGWcertificationmark:NG-4390CQ0062(gasnon-returnvalves/checkvalves,-ModelGRV)andDG-4390CQ0061 (gasnon-returnvalves(flashback-resistant),ModelGRS)

GRV

25 ½

"

GRV

25 ¾

"

GRV

25 1"

GRV

32 1"

GRV

32 1¼

"

GRV

50 1½

"

GRV

50 2

"

GRV

50

FLAN

GE D

N 50

GRV

50

FLAN

GE D

N 50

GRS

25 ½

"

GRS

25 ¾

"

GRS

25 1"

GRS

32 1"

GRS

50 1

½"

GRS

50 2

"

GRS

32 1

¼"

Type

s

TEC H N ICALDATA

*All flow rates are measured with air

Gas non-return valves (flashback resistant)Gas non-return valves / Check valves

x

x

x

1

1

5

5

5

-

-

-

-

95

147

190

209

238

485

x

x

x

1

1

5

5

5

-

-

-

-

95

147

190

209

238

485

x

x

-

20

20

20

20

20

20

20

20

20

100

155

200

220

250

510

x

x

-

20

20

20

20

20

20

20

20

20

100

155

200

220

250

510

x

x

-

20

20

20

20

20

20

20

20

20

95

150

195

210

240

500

x

x

-

25

25

25

25

25

25

25

25

25

35

55

70

80

85

210

x

x

-

25

25

25

25

25

25

25

25

25

30

50

65

75

80

200

x

x

-

25

25

25

25

25

25

25

25

25

24

40

48

52

65

155

x

x

-

25

25

25

25

25

25

25

25

25

20

33

40

48

55

131

x

x

-

25

25

25

25

25

25

25

25

25

22

36

44

50

58

145

Safety elementsDF (dust filter)NV (gas non-return valve)FD (flame deflector)

Town gas, grid gas (C)Hydrogen (H)Natural gas (M)Propan (P)Cleaned BiogasOxygen (O)Nitrogen (N)Inert gases (N)Compressed air (D)

Inlet pressure (mbar)20406080100500

x

x

x

1

1

5

5

5

-

-

-

-

90

143

185

200

228

475

x

x

x

1,5

1,5

5

5

5

-

-

-

-

33

52

67

76

81

200

x

x

x

1,5

1,5

5

5

5

-

-

-

-

23

38

46

49

62

147

x

x

x

1,5

1,5

5

5

5

-

-

-

-

29

48

62

71

76

190

x

x

x

1,5

1,5

5

5

5

-

-

-

-

21

34

42

48

55

138

x

x

x

1,5

1,5

5

5

5

-

-

-

-

19

31

38

46

52

124

Maximum working pressure (bar) 1 bar = 0,1 MPa

Flow rate (Nm/h³)*

GAS NON-RETURN VALVES

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GAS NON-RETURN VALVES DN 25CHECK VALVES

Ø (mm) L (mm) (kg)GRV25 G½" 50 89 0,7 CW604 1.4305 CR/NBRGRV25 G¾" 50 89 0,6 CW604 1.4305 CR/NBRGRV25 G1" 50 89 0,7 CW604 1.4305 CR/NBRGRV25 NPT½" 50 89 0,7 CW604 1.4305 CR/NBRGRV25 NPT¾" 50 89 0,6 CW604 1.4305 CR/NBRGRV25 NPT1" 50 89 0,7 CW604 1.4305 CR/NBR

GAS NON-RETURN VALVES DN 32CHECK VALVES

GAS NON-RETURN VALVES DN 50CHECK VALVES

Ø (mm) L (mm) (kg)GRV50 G1½" 94 124 3,6 CW604 1.4305 CR/NBRGRV50 G2" 94 145 4,4 CW604 1.4305 CR/NBRGRV50 NPT1½" 94 124 3,7 CW604 1.4305 CR/NBRGRV50 NPT2" 94 145 4,5 CW604 1.4305 CR/NBRGRV50 FLANGEDN50 94 303 14,3 CW604 1.4305 CR/NBR

GAS NON-RETURN VALVES DN 25Flashback-resistant if compressed air is used as oxidant

GAS NON-RETURN VALVES DN 32

Ø (mm) L (mm) (kg)GRS32 G1" 65 150 2,1 CW604 1.4305 CR/NBRGRS32 G1¼" 65 157 2,2 CW604 1.4306 CR/NBRGRS32 NPT1" 65 150 2,1 CW604 1.4305 CR/NBRGRS32 NPT1¼" 65 157 2,2 CW604 1.4305 CR/NBR

Flashback-resistant if compressed air is used as oxidant

GAS NON-RETURN VALVES DN 50

Ø (mm) L (mm) (kg)GRS50 G1½" 94 175 5,9 CW604 1.4305 CR/NBRGRS50 G2" 94 176 6 CW604 1.4305 CR/NBRGRS50 NPT1½" 94 175 6 CW604 1.4305 CR/NBRGRS50 NPT2" 94 176 6,1 CW604 1.4305 CR/NBRGRS50 FLANGEDN50 94 334 15,9 CW604 1.4305 CR/NBR

Flashback-resistant if compressed air is used as oxidant

Description Connection thread Dimensions Weight Housing material Sealing material

Description Connection thread Dimensions Weight Housing material Sealing material

Description Connection thread Dimensions Weight Housing material Sealing material

Description Connection thread Dimensions Weight Housing material Sealing material

Ø (mm) L (mm) (kg)GRV32 G1" 60 95 1,0 CW604 1.4305 CR/NBRGRV32 G1¼" 60 100 1,1 CW604 1.4306 CR/NBRGRV32 NPT1" 60 95 1,0 CW604 1.4305 CR/NBRGRV32 NPT1¼" 60 100 1,1 CW604 1.4305 CR/NBR

Description Connection thread Dimensions Weight Housing material Sealing material

Description Connection thread Dimensions Weight Housing material Sealing material Ø (mm) L (mm) (kg)GRS25 G½" 55 103 1,2 CW604 1.4305 CR/NBRGRS25 G¾" 55 121 1,2 CW604 1.4305 CR/NBRGRS25 G1" 55 108 1,1 CW604 1.4305 CR/NBRGRS25 NPT½" 55 103 1,2 CW604 1.4305 CR/NBRGRS25 NPT¾" 55 121 1,2 CW604 1.4305 CR/NBRGRS25 NPT1" 55 108 1,1 CW604 1.4305 CR/NBR

HIGHLIGHTS•Verylowcrackingpressuresof 4 –6mbar

•Highflowrates,minimalpressureloss

•Position-independentinstallation

•Compactdesign

•Preventsdangerousgasmixturesontheinletside

•Stainlesssteeldustfilterwithlargefiltersurfaceensures alongservicelife

•DVGW-certified

5

APPLICATION

Applicationareasofourproductsarethermalprocessplantsaccord-ingtoEN746-2aswellasheatingprocessesforwelding,cuttingandrelatedprocessesthatareoperatedwithmixturesoffuelgasandair.

e.g.inasteelmill

GAS NON-RETURN VALVES (CHECK VALVES)GRV 25, GRV 32 AND GRV 50

GAS NON-RETURN VALVES (FLASHBACK-RESISTANT) GRS 25, GRS 32 AND GRS 50

Gasnon-returnvalvesfortowngas,gridgas,naturalandliquidgas,Methane(cleanedbiogas),Hydrogen,Oxygen,Nitrogen,inertgasesandcompressedair

Gasnon-returnvalves(flashbackresistant)fortowngas,gridgas,naturalandliquidgas,Methane(cleanedbiogas)

FOR THERMAL PROCESS PLANTS AND PIPELINE SYSTEMS

IBEDA GAS SAFETY ENGINEERING WORLDWIDE IN

USE

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FOR THERMAL PROCESS PLANTS AND PIPELINE SYSTEMS

IBEDA Sicherheitsgeräte und Gastechnik GmbH & Co. KG

Bahnhofstraße27· 53577Neustadt/Wied

Tel.+49(0)2683.306-0·Fax+49(0)2683.306-31

www.ibeda.com·info@ibeda.com