Cheap Bulk Nitrile NBR Multi-model Diaphragm Membrane Gasket

Product Description

This multi-model NBR diaphragm membrane gasket listing is intended for bulk replacement inquiries across different pump-part references. Submit each model as a separate order line with its drawing, dimensions and quantity. Matching NBR material or a catalog family does not make different membrane profiles interchangeable.

The retained model references and pump membrane catalog help identify candidate parts. Confirm the equipment maker, exact part number, clamping geometry and original construction before approving the selected replacement. FKM or silicone alternatives require a separate fluid and operating-condition review.

 

 



 
 
Company Profile

Shanghai Qinuo Industry Co., Ltd, established in 2013 within the Shanghai Free Trade Zone, is a pioneering high-tech enterprise specializing in the integration of research and development, production, and sales. Embracing the ethos of "Quality for Survival, Innovation for Development," we have garnered a stellar reputation domestically and internationally under the esteemed brand names of "Royal Way^®" and "SHQN^®".

• Our company boasts cutting-edge production equipment both domestically and internationally, complemented by superior manufacturing techniques, a seasoned team of technical experts, and a comprehensive quality assurance framework.

• We specialize in offering OEM/ODM services, leveraging our multiple 150T/200T/300T vacuum vulcanizing machines to fulfill diverse production needs.

• Furthermore, our workshop has integrated the latest vacuum vulcanizing machine available in the market, capable of churning out 2500 molds per day to meet client demands. Employing vacuum pressurization, this machine effectively minimizes product defects while ensuring operational safety.

 


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FAQ

Q1. Are you a factory or trading company?
We have two wholly-owned factories in Nantong City, only an hour's drive to Shanghai Pudong Airport or Shanghai Sea port to ensure the quick delivery.

Q2. What's your sample policy ?
We can supply the sample if we have ready parts in stock, but customized parts have to pay the mold fee.

Q3. Can you produce according to the samples or drawings?
Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q4. What's your Delivery time ?
If the good are in stock generally it is 5-7 working days after receiving your payment. About 7-15 working days if we have mold or 21-30 working days without mold. The specific delivery time depends on the items and quantity of your order quantity.

Q5.What's your payment terms?
For sample and small order, 100% T/T or Paypal. For bulk order, T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q6. Why choose to cooperate with you? What's your advantage?
1). Strong point:We have our own factory,so we can quarantee high quality with a reasonable and favorable price 2). We can offer you a good after-sell service, prompt deliver. 3). We can provide various size and colors according to customers' requirements. 4). By long time testing, quality proved to be excellent. 5). Updated product design. 6). Advanced manufacturing process, composite global standards. 7). We win by the high quality and then have a long-term business relationship.

Q7. How do you make our business long-term and good relationship?
1). We keep good quality and competitive price to ensure our customers benefit; 2). We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from. Our oil and gas parts are diverse and extensive, so if there is no item what you need, we encourage you to send the drawing or samples to us.

Bulk NBR Diaphragm Orders: Separate Models, Quantities and Inspection

Prepare an order schedule with one row per membrane model: part reference, drawing revision, outside diameter, thickness, clamping profile and quantity. Include any central insert or fabric reinforcement, with photographs of both sides of the original part.

Provide fluid composition, temperature range, differential pressure, stroke and cycle rate for each equipment application. A common polymer family can still require different compounds, hardness or reinforcement when operating duties differ.

For bulk delivery, agree model-specific acceptance dimensions, sample approval and packaging labels. Keep different sizes and compounds identified separately so the receiving and maintenance teams can match each membrane to the correct equipment.