Kunkle relief valves

Models 19, 19M, 20, 20M, 20MP, 200A, 200H

Non-code Bronze Liquid Relief Valves

Model Descriptions

Model 19: All bronze, equipped with handwheel for easy adjustment.

Model 19M: Same as Model 19 except SS trim (seat and disc). (Available 2 1/2-inch and 3-inch only). For higher pressure settings or severe applications.

Model 20: All bronze, with pressure-tight cap. Suitable for maximum back pressure of 50 psig.

Model 20M: Same as Model 20 except SS trim (available in 2 1/2-inch and 3-inch only)(seat and disc). For higher pressure settings or severe applications. Maximum back pressure of 50 psig.

Model 20P: Same as Model 20 except with packed lift lever. Suitable for maximum back pressure of 50 psig.

Model 20MP: Same as Model 20M except with packed lift lever. Maximum back pressure of 50 psig.

Model 200A: Special non-chattering design. Recommended for light oils and continuous bypass or pressure regulation. UL listed for light oil service. Available 3/4-inch through 1 1/2-inch sizes. Female NPT connections only.

Model 200H: Same as Model 20. UL listed for use with fuel oils. Available 3/4-inch through 2-inch sizes.