K-5, K-5C
Angle Back Pressure Valves
Applications:

Suitable for pump systems of all kinds. Applicable on water, other fluids and especially oils of all grades.

Sizes: 1", 11/4", 11/2", 2"

Features:

High-capacity valves. For flow up to 200 gallons per minute in the larger sizes. Bronze body and trim,
threaded connections, bottom and side female connections, brass spring chamber, stainless steel
adjusting spring, high temperature gaskets. K-5 has a metal seat. K-5C has a soft seat for tight shut-off.
Relief pressures range from 5 to 150 psi
K-10
Piston Type Back Pressure Valve
K-10

Piston Type Back Pressure Valve

Applications:

For water, other liquids, and light fuel oils. Not for steam. Designed to limit a specific pump discharge
pressure on machine tool hydraulic systems, oil burning equipment, rams, presses, lifts, etc.

Sizes: 1/4", 3/8", 1/2", 3/4", 1", 11/4"

Features:

Bronze angle body, stainless steel trim, threaded connections, single metal-to-metal seat only, bottom
female inlet, side female outlet. Relief pressure ranges from 15 to 600 psi. Maximum temperature is
450°F (232°C).
K-15
High Pressure, Angle By-pass Valve
Applications:

Suited for by-pass applications on high pressure pumps or any system requiring automatic regulation of
pump discharge pressure. Many applications in the chemical and process field (waste
treatmentdesalination) and car washes.

Sizes: 1/4", 3/8", 1/2", 3/4"

Features:

Angle type by-pass valve handles high pressure up to 1500 psi in brass body. Threaded connections.
Maximum temperature 450°F (232°C)
KP
Pilot Operated Back Pressure Valve
Applications:
Suitable for air or water service.

Sizes: 1", 11/4", 11/2", 2"

Features:
Offers high-capacity, extremely accurate control. Main valve features brass construction,
BUNA-N diaphragm and seat disc, stainless steel spring. Pilot is brass with stainless steel
spring, seat disc and seat ring; bronze diaphragms for air service or neoprene diaphragms for
water. Pressure setting 15 to 200 psi.
Plumbing Heating & Industrial
Valves and Controls
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