Vacuum Tubing - High vacuum Trimming valve – Super Q

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Vacuum Tubing - High vacuum Trimming valve – Super Q Detail:

Features

Fine thread structure is adopted with high adjustment precision.

Shaft seals are sealed with fluorine rubber, and hair bars are welded with stainless steel, with low leakage rate.

The needle and stem are designed separately and the ball seat is Installed at the connecting part, which prolongs the service life of needle valve and valve seat and facilitates maintenance.

Technical Parameters

Pressure range：1×10^(-5)Pa~1.2×10^(5)Pa Service life until first maintenance：3000 times Minimum adjustable flow：4.7×10^(-3)Pa.L/S Valve body baking temperature：≤150℃ Pressure difference on opening：≤1.2×10^(5)Pa Any Installation orientation：Any

Body and seat leak rate：1.3×10^(-7)Pa.L/S Valve position indication：With dial indication

Trimming Valves External Size

Model	DN	ConnectinFlange		Dimensions（mm）
Model	DN	1	2	A	B	C	D	E
EVGW-J2(KF)	0.8	KF16	KF16	90	30	30	28	45
EVGW-J2(CF)	0.8	CF16	CF16	98	34	35	28	52
EVGW-J2（GK）	0.8	KF16	Pipefittings	90	30	30	28	45
EVGW-J4(KF)	1.2	KF16	KF16	93.2	30	30	28	45
EVGW-J4(CF)	1.2	CF16	CF16	98	34	35	28	52
EVGW-J4(GK)	1.2	KF16	Pipefittings	90	30	30	28	45