Plant Master™ Plus™ 300 Lock-On

RECOMMENDED FOR: Air, water, oils, antifreeze solutions and applications where Lock-On fittings are used.

CAUTION: Lock-On hose is not recommended for applications where vibrations or pressure surges exist. Do not use oil for Lock-On fitting insertion purposes. Not recommended for gasoline or diesel fuels.

TEMPERATURE: -20°F to +212°F (-29°C to +100°C) normal service. For air: 160°F (+71°C) only. For water emulsion, see Gates Hydraulic Hose Catalog #35093.

CONSTRUCTION: Tube: Type C (Nitrile). Black.

Reinforcement: Aramid tensile cord.

Cover: Type A (Neoprene). Black.

Type C2 (Modified Nitrile). Blue, Red, Yellow, Green or Gray.

Design Factor: 4:1

COUPLINGS: 75 Gates GLX®, Gates Hydraulic Lock-On Couplings. NOTE: Do not use clamps with Lock-On fittings. (Reference Gates Hydraulic Hose Catalog #35093) or clamp over beaded nipple. Reference the Hose Coupling Section.

PACKAGING: Minimum of 90% of hose reels will be 1-piece lengths. 1/4″ through 1/2″: Packaged in 500′ to 700′ reels. Maximum of 2 pieces per reel. All lengths in 50′ increments.

BRANDING: Continuous ink brand. Example: “Gates® Plant Master™ Plus™ 300 Lock-On 1/2 INCH (12.7mm) 300 psi (2.07MPa) WP Non-Conductive Made in USA”

SPECIAL ORDER REQUIREMENTS: Special production runs require minimum order quantities of 25,000 feet per size.


STANDARDS: Non-conductive at 1000 volts D.C. Electrical resistance is greater than one megohm per inch when subjected to 1000 volts D.C. Storage and use may adversely affect electrical properties.

Tube: ARPM (Class A) High oil resistance.

Cover: ARPM (Class B) Medium oil resistance.