100% Employee Owned, Founded 1954


Groth 9


Groth Corporation, a subsidiary of Continental Disc Corporation, offers a full line of pressure/vacuum relief valves, flame and detonation arrestors, blanket gas regulators, and other low pressure relief products. Established in 1960, Groth has become a leading manufacturer for products and technologies serving refineries, chemical processing plants, and a variety of other facilities with storage tanks.

Featured Products

At Cross, our team works with a number of providers such as Groth to offer an industry leading variety of products and solutions. This ensures you have the options you need working with one vendor, Cross. Keep your project simplified, yet find the best solutions from the best providers. Take a look at the featured products we have available with Groth and contact a Cross team member to learn about the full availability of products with Cross.

Latest Resources, News and Events

Cross Assemble To Order Valves We are pleased to advise you that Cross is now an Authorized Groth Assembler. The trusted brand that you’ve known for years has certified Cross as an official assembler of relief valves. As a GARD center, remember Cross can repair your relief valve. However, if…

Groth Resource Obtain Measurement of Tank Level With Groth Thief Hatch Despite the wonders of modern instrumentation, there are often times when you really need to physically “see or feel” a process variable. A gauge hatch on the roof of an atmospheric tank provides you with the means of doing…

Greensboro, NC – Cross Company’s Flow and Safety Technologies Group is excited to announce an expanded relationship with Continental Disc and Groth Corporation. We are the newly appointed exclusive representative for Alabama and the panhandle of Florida. Continental Disc, and its subsidiary Groth, are industry-leading manufacturers of plant protection products…

See How A Solution From Groth Can Benefit Your Operation