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CNG Cylinder's Valve----C351

CNG Cylinder's Valve----C351

Country/Region china
Company Shenyang Newtech International Co., Ltd.
Categories CNG Refueling System
Update 2011-02-18 14:26:59
ICP License Issued by the Chinese Ministry
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TECHNICAL DATA
Working pressure
200 bar
Working temperature
-40℃+85℃
Orifice diameter
6mm
Burst pressure of burst disc
300bar (+40bar maximum)
Yield temperature of fusible plug
110℃±10℃ (Optional 100℃±5℃)
Materials:
lBody
lComponents
lSeat disc (manual shutoff)
lO-rings
Brass
Brass
PA6.6
NBR+EPDM
Inlet thread
25E(W28.8*1/4 DIN477),1”1/8 12 UNF 2A, M25*2 EN144-1
Outlet thread
1/4NPT ,G1/4,1/4BSPP, (optional M12*1 Biconus)
Mounting torque for 25E
W28.8*1/4 DIN 477
200Nm-10Nm
Depending on cylinder type, EN ISO 13341
Mounting torque for
1”1/8 12UNF-2A
130Nm+8Nm
Depending on cylinder type, EN ISO 13341
Mounting torque for M25*2
Min 100 Nm, Max 130Nm
Depending on cylinder type, EN ISO 13341
Required gas quality
CNG, particle free(<50m)
Cycles open / close p 200bar
10.000
Flow capacities
Valve refueling
Cv
Cv=0.49 without venturi
Internal leakage at 200bar
Min 1*10-3 mbarl/s
External leakage at 200bar
Min 1*10-3 mbarl/s
Closing pressure excess flow limiter
(compressed air)
p≈3.6bar without restriction
p≈5.2bar with 2.5 venturi
p≈4.8bar with 2.7 venturi
Flow rate of the flow limiter in closed posotion
<0.05Nm3/min (p=100bar)
Manual shutoff
Closing torque specified:7±1Nm
Marking
Part number,production date (month/year),3 Stars, serial number
Refueling conditions
200 bar, 20℃, through check valve

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