Lk-Domed Dust Type Bursting Disc Rupture Disc Relief Valve

• Customization: Available
• Customized Product: Yes
• Description: Specialized in Tailor Made Reverse Acting Rupture
• Model NO.: LK-Domed Dust type bursting disc
• Media: Suitable for Gas / Liquid
• Material: 316L, Inconel, Hastelloy, Monel, Titanium and Othe
• Size (DN / Nps): Nominal Diameter From 1/2" to 36" (DN 15 to 900)
• Temperature Range: From -196° to 600°c ( 77, 15 to 873, 15 K)
• Transport Package: Carton
• Specification: 1kg
• Trademark: Original
• Origin: China
• Production Capacity: 10000 Sets/Month

Product Description

Product Description

 

LK-Domed Dust type bursting disc

Dust domed bursting disc, applicable to dust burst proof situation with circulating alternating pressure.

Product Parameters

 

It is suitable for use in dust explosion prevention places.
Applicable temperature is -40ºC~260ºC. A heat screen may be added for high temperature medium.
It may be mounted between flanges or retaining frames.

Burst Disc Pressure Specifications (MPa)

Category	Specifications
Pressure Range	0.003 MPa to 0.035 MPa
Material	Austenitic stainless steel. Sealing membrane: PTFE (Polytetrafluoroethylene), FEP (Fluorinated Ethylene Propylene)
Burst Pressure Tolerance	≤0.01 MPa: ±0.0017 MPa
	>0.01 MPa: ±0.0034 MPa
Temperature Range	PTFE: -40ºC to 260ºC
	FEP: -40ºC to 200ºC

Note: If higher operating temperatures (240°C-400°C) are required, thermal insulation shields and cooling measures can be applied.Specific solutions can be discussed upon request.

Product Features:

 

Parameter	Specification
Operating Pressure	Maximum 80% of minimum burst pressure
Vacuum Conditions	Requires vacuum support structure

Note:Available for food, hygiene and products.

Circular structure drawing Rectangular structure size table

Circular structure size table

Specification (mm)	Dimension A (mm)	Dimension B (mm)	Bolt Circle Diameter (mm)	Number of Holes	Hole Diameter (mm)	Effective Relief Area (cm²)
DN400	410	490	450	16	12	1256
DN450	460	540	500	16	12	1590
DN500	510	590	550	20	14	1963
DN600	610	690	650	20	14	2827
DN700	710	790	750	24	14	3848
DN800	810	890	850	28	14	5026
DN900	910	990	950	32	14	6362
DN1000	1010	1110	1060	36	16	7854

Rectangular structure size table

Specification	Dimension A (mm)	Dimension B (mm)	Dimension C (mm)	Dimension D (mm)	Effective Relief Area (cm²)
420×253	420	253	500	333	920
420×420	420	420	500	500	1600
586×420	586	420	667	500	2280
586×586	586	586	667	667	3240
720×586	720	586	800	667	3990
820×586	820	586	900	667	4560
920×586	920	586	1000	667	5130
920×720	920	720	1000	800	6300
920×820	920	820	1000	900	7200
920×920	920	920	1000	1000	8100
1250×920	1250	920	1330	1000	11100
1520×920	1520	920	1600	1000	13500

 

Highest Applicable Temperature of Bursting Disc Materials:

Bursting Disc Material	Highest Applicable Temperature  ( ºC )
Aluminum	100
Copper	200
Nickel	400
Austenitic stainless steel	400
Copper-nickel alloy(Monel)	430
Hastelloy	480
Chrome nickel alloy (Inconel)	480
Graphite	200
Note: When the surface of the bursting disc is coated with sealing lining or protection lining, the influence from the coating material to the applicable temperature shall be accounted.

 

Note:The technological parameters of the protected equipment are the basis for selection of rupture disosafety device models. Whether the parameters are accurate is directly related to the effect of product modelselection, the realization extent of product technical characteristics and the service cycle.

Application

Chemical & Petrochemical Industry
* Reactor/Pressure Vessel Protection: Prevents overpressure explosions caused by uncontrolled chemical reactions or abnormal temperature rises.
* Pipeline Systems: Isolates different pressure sections to avoid pressure fluctuation propagation.
* Storage Tank Relief: Protects liquefied gas or toxic substance tanks from overpressure risks.
Energy & Power
* Boiler Systems: Acts as a supplement to safety valves, rapidly releasing steam pressure.
* Gas Turbines/Nuclear Plants: Prevents pressure surges caused by cooling system failures
Pharmaceutical & Food Industry
* Sterile Production Lines: Provides leak-tight protection for sterilization tanks or fermentation vessels to avoid contamination risks.
Aerospace
* Fuel Tanks: Releases pressure under extreme temperature or pressure variations to ensure flight safety. Environmental Protection & Fire Safety
* Dust Explosion Protection: Used for explosion relief in dust collectors, cyclone separators, etc.
* Firefighting Systems: Suppresses shockwaves from combustible gas explosions.
 

Our Advantages

Our company is a science & technology-oriented enterprise specializing in rupture disk safety devices, rooted in Chinese aerospace engineering technology. The development of our first rupture disk for aerospace applications began in 1959. In 1981, this specialized technology was successfully adapted for civilian use, resolving long-standing domestic production challenges of industrial safety devices across multiple sectors in China. In 1986, the company obtained the Manufacturing License for Rupture Disk Devices issued by the Ministry of Labor. In 2000, it was certified as a high-tech enterprise by the Science & Technology Department of Liaoning Province.

Packaging & Shipping

 

1.Carefully package each product to give customers the best product experience.

2.The most economical, convenient and safe mode of transportation to ensure that the goods reach the hands of customers at the fastest speed.

3.Always put customer requirements in the first place, to customer requirements for guidance.

FAQ

1.who are we?
We are based in Shenyang, China, start from 1959,sell to Domestic Market(50.00%),Eastern Asia(8.00%),North America(8.00%),Eastern Europe(6.00%),South Asia(6.00%),Western Europe(4.00%),Africa(4.00%),Southeast Asia(3.00%),Southern Europe(3.00%),South America(3.00%),Central America(3.00%),Northern Europe(2.00%).    There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Various types of bursting disc safety devices

4.why should you buy from us not from other suppliers?
We have more than 60 years of design and development experience;
we can produce Various types of bursting disc safety devices and so on.
not only has the advanced management concepts and business culture, and also has a vibrant sales team.

5.what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,HKD;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,PayPal,Cash;
Language Spoken:English,Chinese