Emergency shut-off valve for liquefied gas-Global supplier

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Emergency shut-off valve for liquefied gas

Product [Pneumatic Emergency Cut off Valve] Details Product Model: QDY42F Product Name: Pneumatic Emergency Cut off Valve Product Features: This valve

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productPneumatic emergency shut-off valveDetailed Information

Product Model:	QDY42F
Product Name:	Pneumatic emergency shut-off valve
Product Features:	This valve is suitable for the inlet and outlet of storage tanks in liquefied petroleum gas storage and distribution stations, and can also be used for the gas-liquid phase inlet and outlet ends of unloading pipes. In emergency situations, the valve uses compressed oil for remote and rapid operation/control. Closing the inlet and outlet can ensure the safety, ease of use, and pollution-free operation of the storage and transportation system. Pneumatic emergency shut-off valve, emergency shut-off valve, pneumatic shut-off valve

Pneumatic emergency shut-off valveDetailed information:

1、 Main design parameters

Design and Manufacturing: GBJ16008-90
Flange connection: JB/T79-94, GB9113-2000
Structural length: GB12221-89
Nominal diameter: DN50~DN350mm
Nominal pressure: PN2.5, 4.0MP.

2、 Main performance parameters

Nominal Pressure	Shell Test	Sealing Test	Emergency cut-off time	Applicable Medium	Optimal temperature
2.5	3.75	2.75	≦10s	Liquefied gas, natural gas and other media	-40~+80℃
4.0	6.0	4.4	≦10s	Liquefied gas, natural gas and other media	-40~+80℃

3、 Main component materials

Valve body and valve cover	Valve seat, valve disc, valve stem	spring	sealing surface
WCB	stainless steel	chrome vanadium steel	Polytetrafluoroethylene

4、 Main external dimensions

Nominal Diameter DN(mm)	Size (mm)										pipe joint
Nominal Diameter DN(mm)	D	D1	D2	d2	f2	b	L	H	H1	Z-fd	pipe joint
50	160	125	100	88	4	20	230	346	359	4-18	R1/4
65	180	145	125	-	-	-	290	337	354	-
80	195	160	135	121	4	22	310	445	465	8-18
100	230	190	160	150	4.5	24	350	590	623	8-22
150	300	250	218	204	4.5	28	444	-	580	8-25	R1/2
200	360	310	278	260	4.5	30	559	-	645	12-25
250	425	370	332	313	4.5	32	622	-	750	12-30
300	485	430	390	364	4.5	36	711	-	1100	16-30
350	550	490	448	422	5	40	838	-	1380	16-34

Ordering Notice:

1、 ① Product name and model of pneumatic emergency shut-off valve ② Diameter of pneumatic emergency shut-off valve ③ Does the pneumatic emergency shut-off valve come with accessories for us to correctly select for you.
2、 If the design unit has already selected the company's pneumatic emergency shut-off valve model, please order directly from our sales department according to the pneumatic emergency shut-off valve model.
3、 When the usage situation is very important or the environment is complex, please provide design drawings and detailed parameters as much as possible, and our experts will review and control them for you.
Thank you for visiting our website. If you have any questions You can call us and we will do our best to provide you with high-quality service.

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