Instruction Manual MCK-1100 April 2009 Types N301, N310, N350, N401, N410, and N450 Globe and Angle Valves GLOBE VALVES ANGLE VALVES Figure 1. N300 and N400 Series Valves D450019T012

N300 and N400 Series Specifications INLET AND OUTLET CONNECTIONS TYPE NUMBER Heavy-Duty Version Globe Economy Version *Nominal pipe size. 1.  For Polytetrafluoroethylene (PTFE) seal disk, add “T” to basic type number, e.g., Type N310T or N410T. Maximum Operating Pressure: 400 psig (27,6 bar) Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion and/or fire causing property damage and personal injury or death. Fisher® equipment must be installed, with federal, state, and local codes and manufacturer’s instructions. The installation...

N300 and N400 Series connection to the stem to protect the disk under back-flow conditions. The ball bearings permit the valve disk to stop rotating as soon as it touches the body seat, minimizing disk wear. Types N310 and N410 can be supplied with PTFE seat disks instead of synthetic rubber for special service where synthetic rubber is not compatible. When ordering, add “T” to the basic style number such as Type N310T or N410T. Types N350 and N450 valves must not be used on anhydrous ammonia service as they contain brass parts. Types N350 and N450 – Economy globe and angle valves for LP-Gas...

N300 and N400 Series Parts List N300/N400 and N310/N410 Series Globe and Angle Valves Key Description Repair Parts Kit Topwork, Stem, and Packing Assembly - Include keys 2 through 17 completely assembled. Types N300/N400 only   NPS 1/2, 3/4, and 1 T12690T0012   NPS 1-1/4 and 1-1/2 T20838T0012   NPS 2 T20818T0012   NPS 3 (DN 80) T40259T0012 Stem and Disk Holder Assembly* - Include keys 2 through 7 completely assembled.   Type N300/N400 only   NPS 1/2, 3/4, and 1 T12592T0012   NPS 1-1/4 and 1-1/2 T13281T0012   NPS 2 T13260T0012   NPS 3 (DN 80) T20461T0012   1 Body, Ductile iron      For N300 Series...

APPLY LUB/SEAL/ADH STAKE SECURELY 2 PLACES - 180° APART Figure 2. Type N350 Globe Valve Assembly 1 STAKE SECURELY 2 PLACES -180° APART T20323 APPLY LUB/SEAL/ADH 5 Figure 3. Type N301 Globe Valve Asse

STAKE SECURELY 2 PLACES 180° APART APPLY LUB/SEAL/ADH Figure 4. Types N310/410 Globe Valve Assembly Types N350 and N450 Globe and Angle Valves Key Description Part Number Repair Parts Kit Topwork, Stem, and Packing Assembly   Include keys 2 through 17 completely assembled.    NPS 1/2 and 3/4 T12689T0012   Note:  Key numbers 2, 6, and 7 are available only   as part of the above parts kit.   1 Body, Ductile iron   For N350 Series    NPS 1/2    NPS 3/4    NPS 1   For N450 Series    NPS 1/2    NPS 3/4    NPS 1   2 Disk Holder, Zinc-plated steel *Recommended spare parts. Part Number Disk, Neoprene...

APPLY LUB/SEAL/ADH STAKE SECURELY 2 PLACES - 180° APART Figure 5. Type N400 Angle Valve Assembly APPLY LUB/SEAL/ADH STAKE SECURELY 2 PLACES -180° APART Figure 6. Type N450 Angle Valve Asse

LP-Gas Equipment Emerson Process Management Regulator Technologies, Inc. USA - Headquarters McKinney, Texas 75070 USA Tel: 1-800-558-5853 Outside U.S. 1-972-548-3574 For further information visit www.emersonprocess.com/regulators/lp The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher is a mark owned by Fisher Controls, Inc., a business of Emerson Process Management. The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy,...