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[China]
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Address: 5F, No.200 Guoding Road, Shanghai China 201105
Contact name:Sophia Lau
Hongum Technology (Shanghai) Co., Ltd |
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Custom Cloth Iserted Fabric Wrapped Laminated Rubber Rolling Diaphragm Seal Valve Rubber Diaphragm
Fabric Wrapped Laminated Rubber Rolling Diaphragm Product Overviews:
The rolling diaphragm is shaped like a top hat in the free state. It is made of rubber with silk cloth. The middle hole on the top is used for installing the valve stem. In order to fit, fix and seal, the top and bottom can be equipped with 0 type edge changer, or the bottom surrounding with mounting hole.
| Product Materials | NBR,NR,etc. |
| Operating Temperature | -20℃~80℃ |
| Service Life | ≥1000000 times |
| Usage Scenario | Gas pressure regulator |
Fabric Wrapped Laminated Rubber Rolling Diaphragm Introduction:
The rolling diaphragm is in the shape of a top hat in the free state. It is made of rubber with silk cloth. The top middle hole is used to install the valve stem. In order to install, fix and seal, the top and bottom can have O-ring edges. Or in the form of fixing holes around the bottom edge.
(1) There should be no straight edges and corners at the corners of
the diaphragm, and arcs should be made to avoid easy fracture after
folding and loss of glue during vulcanization. The intersection of
the inner wall of the sleeve and the end face should also be poured
with arc angles to avoid sharp corners. piece.
(2) Diaphragm material: nitrile rubber is used for natural gas and
LPG, and chlorohydrin rubber is used for gas.
(3) There is an elastic polyester cloth interlayer in the
diaphragm. Carefully observe the inner and outer surfaces of the
diaphragm. One side can vaguely see the pattern of the mesh cloth,
and the other side is a smooth surface. The smooth surface is
required to be the pressure surface of the gas. Therefore, For the
diaphragm installed in the forward direction, the smooth surface is
on the inner surface of the diaphragm, and the smooth surface of
the diaphragm installed in the reverse direction is on the outer
surface, which can avoid leakage and improve the compressive
strength of the diaphragm.
Fabric Wrapped Laminated Rubber Rolling Diaphragm Characteristics:
• Fabrication technics of textile makes the product tear resistance stronger
• High quality raw materials ensure the excellent performance of the material itself
Fabric Wrapped Laminated Rubber Rolling Diaphragm Specifications:
| Rolling Diaphragm | Model | Outer diameter(mm) | Inside diameter(mm) | Base diameter(mm) | Height(mm) | Thickness(mm) | Pressure |
| GMA-20 | 38 | 22 | 17 | 21 | 0.6 | 0.1-1MPa | |
| GMA-201 | 45 | 40 | 33 | 28 | 0.7 | 0.1-1MPa | |
| GMA-202 | 49 | 37 | 26 | 22 | 0.7 | 0.1-1MPa | |
| GMA-21S | 61 | 50 | 39 | 29 | 0.7 | 0.1-1MPa | |
| GMA-21 | 63 | 53 | 43 | 33 | 0.7 | 0.1-1MPa | |
| GMA-22 | 65 | 50 | 45 | 51 | 0.7 | 0.1-1MPa | |
| GMA-23 | 80 | 72 | 55 | 35 | 0.7 | 0.1-1MPa | |
| GMA-24 | 94 | 74 | 64 | 45 | 0.7 | 0.1-1MPa | |
| GMA-31 | 96 | 90 | 79 | 90 | 0.8 | 0.1-1MPa | |
| GMA-301 | 98 | 80 | 70 | 34 | 1.5 | 0.1-1MPa | |
| GMA-311 | 120 | 102 | 94 | 60 | 0.8 | 0.1-1MPa | |
| GMA-32 | 140 | 93.2 | 83.2 | 56 | 1 | 0.1-1MPa | |
| GMA-33 | 184 | 167 | 155 | 80 | 1 | 0.1-1MPa | |
| GMA-34 | 216 | 170 | 142 | 40 | 1.1 | 0.1-1MPa | |
| GMA-SMI | 118 | 108 | 100 | 72 | 0.9 | 0.1-1MPa | |
| GMA-SM2 | 95 | 87 | 80 | 90 | 0.9 | 0.1-1MPa | |
| GMA-ST | 155 | 137 | 110 | 128 | 0.8 | 0.1-1MPa |
Our service:
1. Packaging is neutral packing or customized packing.
2. We will reply you within 24 hours.
3. We will also provide you with good after-sales service.
4. OEM or ODM orders are welcomed.
5. Trial orders are acceptable.
6. High quality and factory price.
7. 100% ensured the quality.
