GD-J series High vacuum flapper valve

$0.00

GD-J (b) series manual high-vacuum flapper valve is one of the important components in the vacuum system. The transmission part of the valve adopts a threaded structure, and the valve plate is opened and closed by manual rotation of the handwheel. Applicable media are air and non-corrosive gases.

Features:

Applicable range (Pa) :10⁵~1.3X10^-4 10⁵~1.3×10^-6 (shaft seal material is bellows)

Valve leakage rate (Pa.L/S) :≤1.3×10^-5 (shaft seal material is rubber); ≤1.3×10^-6 (shaft seal material is bellows)

Medium temperature (°C) :-25~+80 (the sealing material is NBR) ;-30~+150 (the sealing material is fluororubber)

Main parts of the valve are made of stainless steel or carbon steel

installation position:Any

(picture 1)(KF) connection and dimensions

modle	diameter (DN)	ΦD	ΦB	H	A	Φw	Flange standard
GD-J10/KF	10	30	12.2	122	30	36	GB4982
GD-J16/KF	16	30	17.2	132	40	36
GD-J25/KF	25	40	26.2	158	50	50
GD-J40/KF	40	55	41.2	180	65	56
GD-J50/KF	50	75	52.2	278	70	100	/

(picture 2)Loop flange connection and dimensions

modle	diameter (DN)	ΦD	ΦB	H	A	Φw	n-ΦC	DNy (pre-extraction）	Flange standard
GD-J40	40	100	80	180	70	56	4-Φ9	/	GB/T6070
GD-J50	50	110	90	305	70	100
GD-J63	63	130	110	348	88	125
GD-J80	80	145	125	414	98	160	8-Φ9
GD-J100	100	165	145	430	108		8-Φ9
GD-J125	125	200	175	516	128		8-Φ11
GD-J(S)150	150	220	195	550	138	200		KF40(GB4982)	JB919
GD-J(S)160	160	225	200	550	138			KF40(GB4982)	GB/T6070
GD-J(S)200	200	285	260	678	200		12-Φ11	KF50(GB/T6070)
GD-J(S)250	250	335	310	745	208	250	12-Φ11	KF63GB/T6070)
GD-J(S)300	300	380	350	822	250	250	8-Φ14	KF80(GB/T6070)	JB919
GD-J(S)400	400	510	480	1180	330	400	16-Φ14	KF100(GB/T6070)	GB/T6070

GD-J series High vacuum flapper valve

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