Customized Rubber Kit for Fuel Tank Isolation Valve Rubber Diaphragm Rolling Diaphragm

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Hongum Technology (Shanghai) Co., Ltd

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-177-1730-6066

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Customized Rubber Kit for Fuel Tank Isolation Valve Rubber Diaphragm Rolling Diaphragm

Brand Name	Hongum
Model Number	GMA-20
Certification	3A、CE、SGS approval
Place of Origin	China
Minimum Order Quantity	50 PCS
Payment Terms	Wire Transfers, letters of credit, Western Union, Paypal, T/T, L/C
Supply Ability	5000PCS/Month
Delivery Time	7~15 working days
Packaging Details	PE+carton box
Price	USD 5-150/PCS
Name	Fuel Tank Isolation Valve Rubber Diaphragm
Material	NBR NR EPDM
Application	Valve
Pressure	0.1-1 MPa
Model	HF-GMA-32 HF-GMA-49
Sample	Available

Detailed Product Description

Customized Rubber Kit for Fuel Tank Isolation Valve Rubber Diaphragm Rolling Diaphragm

Materials details:

For the present, common materials for rolling diaphragm are: natural rubber (NR), nitrile butadiene rubber (NBR), the performance of the two materials can meet the needs of most industrial environments. In special industrial environments (high temperature resistance, acid and alkali resistance) could use EPDM, fluorine rubber (FKM), neoprene rubber (CR) for production, but the cost is relatively high.

Product Materials	NBR,NR
Operating Temperature	-20℃~80℃
Service Life	≥1000000 times
Usage Scenario	Gas pressure regulator

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.

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.

Product Tags: CR Rolling Diaphragm EPDM Rolling Diaphragm Customized Tank Diaphragm

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