Garlock manufactures the most durable and long-lasting pump and valve diaphragms available, reducing equipment downtime and increasing productivity. From pure PTFE to one-piece bolt-on PTFE bonded rubber diaphragms, if you have a difficult or critical application, Garlock has the diaphragm to meet your needs.


Our diaphragm sheet material is made from premium fabric reinforced rubber and can be cut or molded into any shape. The ONE-UP® pump diaphragm is the longest lasting diaphragm in the industry and truly excels in the most difficult and abrasives applications. Choose an option below to explore Garlock's portfolio of diaphragm components.