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1331 Ultra-Low Pressure & Bi-Directional Rupture Disk / YDC Series

Size range: 2" (50mm) - 10" (250mm)

Burst pressure range: 0.01barg ~ 10barg

High precision,capable of reliable operation under ultra-low pressure conditions

Bidirectional pressure relief design

Dedicated YDCJ holder

Standard materials available, custom special materials offered

Nameplate includes all parameters of the bursting disc
Demand consultation
1331 Ultra-Low Pressure & Bi-Directional Rupture Disk / YDC Series

Product Overview

YDC series rupture disk is a two-way rupture disk design, which provides protection against over-pressure or vacuum for storage tanks.


Certifications
BasCo provides a full range of  rupture disk products and has obtained qualification certificates including TS, EAC, NB, ASME, PED, and Special Equipment Inspection Institute certifications. The products comply with domestic and international standards such as GB/T 567, ASME BPVC Section VIII, API 520, and ISO 4126. We can provide safe, reliable and customized solutions and products according to users’ actual working conditions.


Options

The protective cap safeguards the sealing membrane and does not allow positive pressure relief.

The rupture cap provides positive pressure relief.
Note: This option significantly reduces flow capacity under vacuum conditions. For other parameters, please contact us.


Accessories

Burst  Indicator


Tolerance / (GB567-2012)


Bursting Pressure
bar
≥0.01~<0.1 ≥0.1~<1 ≥1~<3 ≥3~<1000 ≥1000~<5000
 Tolerance ±50% ±25% ±0.015MPa ±5% ±4%
* Note: Burst tolerances are the maximum expected variation from the disk's marked bursting pressures.

Specifications

Size Vacuum Relief Overpressure Relief
NPS
[in]
DN
[mm]
psig barg psig barg
min, max, min, max, min, max, min, max,
2" 50 0.29 1.45 1.45 0.1 2.175 145 0.15 10
2.5" 65 0.29 1.45 0.02 0.1 2.175 87 0.15 6
3" 80 0.2175 1.45 0.015 0.1 1.45 72.5 0.1 5
4" 100 0.2175 1.45 0.015 0.1 1.45 58 0.1 4
5" 125 0.2175 1.45 0.015 0.1 1.16 58 0.08 4
6" 150 0.2175 1.45 0.015 0.1 1.16 36.25 0.08 2.5
8" 200 0.145 1.16 0.01 0.08 1.16 29 0.08 2
10" 250 0.145 1.16 0.01 0.08 1.16 29 0.08 2
Max.temp. 80°C 80℃
*Content is for reference only. Contact us for more details.

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  • 1331 Ultra-Low Pressure & Bi-Directional Rupture Disk / YDC Series
    1331 Ultra-Low Pressure & Bi-Directional Rupture Disk / YDC Series
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