Reverse Domed Rupture Disk With Knife Blades (YDV)

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Disk Duplication & Printing [1]
Gas Cylinders [1]

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Dalian Ligong Safety Equipment Co., Ltd.

NO.26, Liaohe East Road, Double D Port, Economic and Technological Development Zone, Dalian, China Postcode116620

0411-66778100 0411-66778105

Larger photo of Reverse Domed Rupture Disk With Knife Blades (YDV)

Reverse Domed Rupture Disk With Knife Blades (YDV)


company	Dalian Ligong Safety Equipment Co., Ltd.
Categories	LED Displays
Update	2011-03-25
Original Region	China
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Reverse Domed Rupture Disk With Knife Blades (YDV)

Pressure acts on the convex side of rupture disk, and at its burst pressure, the disk reverses with the knife blades on the upper holder cutting it to provide a full relief opening.

Reverse Domed Rupture Disk With Knife Blades (YDV):The disk consists of brackets and corrosion-resistant seal membrane with burst pressure ranging from 0.001MPa to 0.1Mpa, and suitable for super-low or vacuum vessels.

Features
Optimum fatigue resistance for pressure pulsating or cycling condition
Maximum operating pressure up to 90% of the minimum burst pressure
Withstand full vacuum condition without vacuum support (YD type)
Non-fragmenting design, suitable for safety valve isolation.
Designed for gas, dust service, and not suitable for no gas space equipment
Not suitable for high burst pressure conditions

Specifications

TYPE	YD
BURST DIRECTION
LOAD TYPE	COMPRESSION
MEDIA APPLICATION PHASE	GAS OR DUST
SIZE (mm)	25~1200
BURST PRESSURE RANGES (MPa)	0.001~12
MANUFACTURING RANGES	0,-5%,-10%
DISK HOLDER TYPE	YJ
DYNAMIC RESPONSE (sec)	≥1/1000
INFLAMMBLE MEDIA USAGE	SUITABLE
CYCLE LIFE	＞100,000
SPARK POSSIBILITY	NO
NOTE	NO LIQUID, SNOW, DUST OR STICKNESS SUBSTANCE SHOULD BE ACCUMULATED ON CONCAVE SIDE

Manufacturing Pressure Range

SIZE		MATERIAL
SIZE		STAINLESS STEEL		NICKEL		ALUMINUM
mm	in	minPB	maxPB	minPB	maxPB	minPB	maxPB
25	1	0.4	12.0	0.3	10.0	0.2	4.0
32	1^1/4	0.3	12.0	0.2	10.0	0.15	3.0
40	1^1/2	0.2	12.0	0.15	10.0	0.12	2.5
50	2	0.1	12.0	0.08	10.0	0.08	2.0
65	2^1/2	0.08	10.0	0.05	8.0	0.05	2.0
80	3	0.07	10.0	0.05	8.0	0.03	1.5
100	4	0.05	10.0	0.04	6.0	0.03	1.5
125	5	0.05	10.0	0.04	6.0	0.03	1.0
150	6	0.05	8.0	0.04	6.0	0.03	1.0
200	8	0.05	7.0	0.04	5.0	0.03	0.8
250	10	0.05	6.0	0.04	5.0	0.03	0.6
300	12	0.05	5.0	0.04	4.0	0.03	0.5
350	14	0.05	4.0	0.04	4.0	0.03

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Reverse Domed Rupture Disk With Knife Blades (YDV)

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