Description of Long Service life Rubber Diaphragm for Control Valve Seal: 

For the machinery industry, diaphragm is a circular membranous elastic sensitive element. The form of diaphragm mainly includes three kinds: flat diaphragm, vertical chain diaphragm and corrugated diaphragm. The flat diaphragm can be divided into various forms according to whether the surrounding area is fixed, whether there's a central hole and the pressure distribution. The most commonly used diaphragm is the flat diaphragm. 

Rubber is a commonly used material of diaphragms. Rubber diaphragm is mostly used in valves, control valves, automatic mechanical servo devices, switches and counters. Its advantages include high reliability, good complexity, long working life and low cost. 

Detailed Pictures of Rubber Diaphragm for Control Valve Seal: 

Packing Details of Rubber Diaphragm for Control Valve Seal: 

Packing: OPP Bags

Delivery Time: According to the quantity

Delivery Way: By air, by sea, by train... 

Q: Are you factory or trade company?
A: We are facroty and also has an office in downtown Shanghai, welcome to visit our office and factory!

Q: What's your delivery time?
A: It depends on whether we have stock and the quantity. Mostly about 10-20 days.

Q: Do you provide samples? Are they free?
A: Yes, we offer free standard samples (also free for non-standard products if we have in hand), customers only need to pay for the express fee!

Q: Do you use any international standards for the rubber products? 
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.