CNG Storage And Transportation Module

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3420L CNG Type 1 Cylinder Cascade

3360L CNG type 1 cylinder cascade (also can be called CNG cylinder bundle) has 40pcs of 80L CNG steel cylinders. We designed and manufactured for one of our customer who mainly produces CNG compressors. It is used for natural gas stations.
Product Description

3420L CNG TYPE 1 CYLINDER CASCADE

Description:

CNG type 1 cylinder cascade or CNG cylinder bundle is a kind mobile modular Compressed Natural Gas storage system. A certain quantity of CNG steel cylinders are combined together and fixed into a steel frame, and cylinder neck connected together by specially designed manifold tubes, with high pressure safety valves, and other PRD device. Cylinders can be placed vertically or horizontally which is according to customer’s request.

The cascade is with very compact structure and high tensile strength, and can be lifted easily by a forklift truck, and moved very conveniently to different places that needs CNG storage or CNG supply.

The gas storage volume of CNG cylinder cascade can be designed freely according to customer’s gas demand. The dimension can also be customized according to the actual space in the natural gas station. Just provide your requirement on CNG demand volume and working space dimension limit, and we will design the best proposal with most economical cost.

Main Technical Parameters:

1

Model No.

ZPZ356-18-25/190

2

Working Pressure

25Mpa

3

Working Temperature

-20~60℃

4

Medium

CNG

5

Cylinder Specifications

OD. 356mm –190L double neck

6

Cylinder Quantity per Bundle

18pcs

7

Leakage Test Pressure

25MPa/ 250 bar

8

Hydraulic Test Pressure

37.5MPa / 375 bar

9

Total Capacity

3420L

10

Gas Volume

855N m ³

11

Gas Weight

612kg

12

Total Cascade Weight

4500kg

13

Dimension

2284×1614×2730mm

Specificationsof Valves & Gauges:

No.

Name

Spec.

Connection End

1

High Pressure Ball Valve

VWC86B-DN15-22L-PK

M30×1.5 Thread

2

Pressure Gauge

YN100-0-40Mpa

M20×1.5 Thread

3

Cylinder Valve

C351

PZ27.8 Thread

4

Safety Valve

A21Y-320C

3/4” NPT Thread

5

Connection Valve for Safety Valve

VWC86B-DN15-3/4NPT-PK

3/4’’ NPT Thread

6

Drain Valve

VWC86B-DN10-12L-PK


Specification of Manifolds:

1

Stainless Steel Tube Material

SS304

2

Fittings & Connectors Material

SS316L

3

Frame Material

Q235B Carbon Steel

4

Frame Connection Type

CO2 protective welding, ER50-6 welding material

5

Tube Connection Type

Argon welding, or union connection upon request

CNG Priority Panel Box:

This 3420 CNG storage bundle comes with CNG priority panel box, to control 3 storage bank systems (LOW, MEDIUM, HIGH) of the cascade. 

HIGH : MEDIUM : LOW = 3 : 2 : 1

By this way, the gas filling efficiency (gas pressure and gas volume inside cylinder) can be increased a lot.

Applications:

CNG cylinder cascade consists of dozens of CNG steel cylinders, manifold, valves and gauges. Working pressure is usually 250bar. It is a kind of special equipment for CNG storage and transportation. It usually comes together with CNG gas pressure reduction station and CNG compressors, used for buffer ground gas storage in CNG natural gas stations.

CNG gas storage cylinder cascade is very popular for small CNG stations, because of its low cost and very easy installation.

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