SG 20R02NT6 replace Krom VG20 series gas solenoid valve

Product Description

1.Range of application

For the protection, regulation and control of the air and gas supply to gas burners and gas devices

2.Features

Gas safety valve, class A, in accordance with EN 161Operating pressures: 0-200mbar,0-360mbarLong lifeInternationally approvedRobustFast opening or slow openingwith adjustable initial openingFlow rate adjustableSuitable for cycle operation Gas Solenoid valves for boiler

3. Technical Description

Safety valve with spring-loaded valve disc,closed when deenergized.
Valve housing: AlSi.
Internal thread: Rp in acc. with ISO 7-1. Flange: ISO 7005 (DN 65 acc. to DIN 2501 c), PN 16
Valve disc seal: Perbunan
Type of gas: town gas, natural gas,liquid gas (gaseous) and air
Max. operating pressure: see table specifications
Flow rate:see diagram or table specifications
Opening time:
SG..N: fast opening ≤0.5 s
SG..L: slow opening approx. 10 s
Closing time SG..N, SG..L: ≤1 s

Switching frequency: arbitrary
Ambient temperature: -20 °C to +60°C
Protection: IP 54 acc. to IEC 529 Power factor of solenoid coil: cos φ = 1
Coil insulation:
insulating material class F
220/240 V +10/-15 %; 50/60 Hz

The prevailing a.c. voltage is lead to the solenoid coil via a protective circuit rectifier.
Duty cycle: 100 % EC
Fuse: max. 6.3 A anti-surge

4.Fitting
When fitting the valve to the pipework, do not use the solenoid as a lever, always use a suitable spanner.(Fig.2)

5.Construction

With metering and/or pilot gas supply tappings Rp ¼ on both sides connected to the inlet.
With flow adjustment.
Cable gland: Pg 11. Terminal: 2.5 mm2
Can be supplied, if requested: with coupler plug acc. to ISO 4400, with damping unit, with position indicator.

Adjustment of gas release with SG..L
Adjustable from 0 – 70 % of the throughput(with Δp=1 mbar). The start gas flow is not adjusted at the works. The damping device is taking full effect.

6.Data base

Table specification

Valves for low operating pressures, pe < 1 bar

7.Photo details

Packaging & Shipping

Every piece have individual box, also could packing as your require.

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