THE WHOLE WORLD OF GAS NON-RETURN VALVES AND SAFETY DEVICES IN ACCORDANCE WITH EN 730-2
THE WHOLE WORLD OFGAS NON-RETURN VALVES AND SAFETY DEVICES IN ACCORDANCE WITH EN 730-2
IBEDA GAS SAFETY ENGINEERING WORLDWIDE IN
USE
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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!
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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
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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
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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
We
rese
rve
the
right
tom
ake
tech
nica
lcha
nges
with
outn
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olia
bilit
yfo
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adem
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,logo
sand
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esa
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Ger
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M75
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543
· 05.1
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5
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·[email protected]