37U-23 RATERMANN Cryogenics T (844) 341-3433 S F (844) 341-3444 S Website: www.rmicryo.com S Email: [email protected] Vent Relief Valve Series VRV Vent Relief Valve Series VRV Ordering Information For more Krytox products, please see section 38C Krytox Grease Uses • Valves • Fittings • Regulators • Truck Pallets • Oxygen Dewars, Casters and Handles Krytox GPL-226 Grease 1/2 KG Jar Part # KRY-GPL2260.5KG Krytox GPL-226 Grease 2 Oz. Tube Part # KRY-GPL2262 VRV - 125 B - V - 15 VRV – Vent to Atmosphere VRVD – Vent to Atmosphere with Deflector Cap VRVI – Inline Relief (Male x Female) V - VitonTM, -10°F to 375°F (-23°C to 190°C) B – Buna-N, -40° F to 250° F (-40° C to 121° C) N – Neoprene, -40° F to 250° F (-40° C to 121° C) EP – Ethylene Propylene, -65° F to 300° F (-54° C to 148° C) FS – Fluorsilicone, -80° F to 350° F (-62° C to 176° C) S - Silicone, -65° F to 400° F (-54° C to 205° C) T – PTFE, -320° F to 400° F (-220° C to 205° C) Specify .5 – 150 Psig (PTFE Seals not available below 20 Psig) Valves that are not actuated for a period of time may exhibit higher initial crack pressure (first bubble) than subsequent cycles 125 -1/8" 250 - 1/4" 375 – 3/8" 500 – 1/2" 750 – 3/4" 1000 - 1" (Note: VRVI Not Available) NPT threads per ANSI/ASME B1.20.1 B – Brass A – Aluminum SS – 316 SS For other materials, consult factory Oxygen cleaning, alternative seals and other thread configurations, consult the factory Viton and Krytox are trademarks of DuPont. SERIES PORT SIZE Material Code NOMINAL SET PRESSURE SEAL MATERIAL OPTIONS PROPER COMPONENT SELECTION – When specifying a component, the total system design must be considered to ensure safe and trouble-free performance. Intended component function, materials compatibility, pressure ratings, installation, environment and maintenance are the responsibility of the system designer. DuPont™ Krytox™, and Vydax® are registered trademarks or trademarks of E.I. duPont de Nemours and Company WARNING: Products in this catalog can expose you to chemicals including lead which is known to the State of California to cause cancer, birth defects or reproductive harm. For more information, go to https://www.p65warnings.ca.gov General Purpose Grease – Krytox GPL-226 Grease Can be used on such things as metal to metal surface in contact with liquid oxygen or compressed oxygen. Liquid cylinder casters, cylinder valve stems, for use where moisture might be present. Part # Description Size Container KRY-GPL2262 226 Grease 2 Oz. Tube KRY-GPL2268 226 Grease 8 Oz. Tube KRY-GPL2260.5KG 226 Grease 1/2 KG Jar KRY-GPL2261KG 226 Grease 1 KG Jar 100% Oxygen Compatible Use on Valves Use on Regulators Use on Casters
