1. FORGED STEEL BONNETLESS BLOWDOWN VALVES 1/2” - 2” (15–50 mm) FORGED STEEL VALVES BOLTED BONNET 21/2” - 24” (65–600 mm)
GATE, GLOBE, PARALLEL SLIDE AND CHECK VALVES
PART LUBRICATION APPLICATION FREQUENCY
PRESSURE SEAL VALVES 2” - 24” (50–600 mm)
Stem threads Exxon: Ronex MP, Castrol MP Directly to When threads CAST AND FORGED STEEL, GATE, GLOBE, PARALLEL SLIDE AND CHECK VALVES
or equivalent MP group (up to 650˚F) threads appear dry
Ronex Extra duty 2 (above 650˚F) PART LUBRICATION APPLICATION FREQUENCY
Yoke bushing Exxon: Ronex MP, Castrol MP Inject through Concurrently Stem Exxon: Ronex MP, Castrol MP Directly to When threads
or equivalent MP group (up to 650˚F) grease fitting with stem threads or equivalent MP group (up to 650˚F) threads appear dry
Ronex Extra duty 2 (above 650˚F) at hub of yoke thread lubrication Ronex Extra duty 2 (above 650˚F)
All threaded parts - Anti-seize compound No. 425-A Thin coat on On valve Yoke nut and Exxon: Ronex MP, Castrol MP Inject through Concurrently
except stem and (Crane) or equivalent threads assembly only bearings or equivalent MP group (up to 650˚F) grease fitting with stem
yoke nut - Nickel Anti-Seize to MIL-A-90TE Ronex Extra duty 2 (above 650˚F) at hub of yoke thread lubrication
or MOLYKOTE P37
All threaded parts - Anti-seize compound No. 425-A Thin coat on On valve
Reference maintenance manual VEL-BDVM (Table B). The next revision will reflect above changes. except stem (Crane) or equivalent threads assembly only
and yoke nut - Nickel Anti-Seize to MIL-A-90TE
FORGED STEEL VALVES 1/4” - 2” (8–50 mm) or MOLYKOTE P37
BOLTED BONNET GATE, GLOBE, PISTON, BALL & SWING CHECK VALVES
WELDED BONNET GATE, GLOBE AND CHECK VALVES
Reference maintenance manual VEL-FBBM (Table 4.3) and VEL-FPSM-99 (Table 4.3). The next revision will reflect
above changes.
PART LUBRICATION APPLICATION FREQUENCY
Exxon: Ronex MP, Castrol MP
FORGED Y-PATTERN BONNETLESS GLOBE VALVES 1/4” - 4” (8–100 mm)
Stem threads or equivalent MP group (up to 650˚F) Directly to threads When threads
Ronex Extra duty 2 (above 650˚F) appear dry PART LUBRICATION APPLICATION FREQUENCY
Exxon: Ronex MP, Castrol MP
Exxon: Ronex MP, Castrol MP With stem thread lubrication With stem thread
Stem threads or equivalent MP group (up to 650˚F) Directly to threads When threads
Yoke bushing or equivalent MP group (up to 650˚F) or through grease fitting lubrication
Ronex Extra duty 2 (above 650˚F) appear dry
Ronex Extra duty 2 (above 650˚F) at hub yoke
Spiral wound gasket Neolube Thin coating on all surfaces At valve Yoke bushing, Exxon: Ronex MP, Castrol MP With stem thread lubrication With stem thread
(graphite and mineral spirits) assembly only yoke nut and or equivalent MP group (up to 650˚F) or through grease fitting lubrication
bearings Ronex Extra duty 2 (above 650˚F) at yoke
All threaded parts - Anti-seize compound No. 425-A
except stem and (Crane) or equivalent Thin coat on threads At valve Spline bushing Sure Turn Releasall Directly to threads At valve
yoke bushing - Nickel Anti-Seize to MIL-A-90TE assembly only No. 1548016 assembly only
or MOLYKOTE P37 All other threaded - Anti-seize compound No. 425-A
Reference maintenance manual VEL-SFVM (Table A). The next revision will reflect above changes. parts (Crane) or equivalent Thin coat on threads At valve
- Nickel Anti-Seize to MIL-A-90TE assembly only
CAST STEEL VALVES 2” - 48” (50–1200 mm) or MOLYKOTE P37
BOLTED BONNET GATE, GLOBE AND CHECK VALVES
Reference maintenance manual VEL-FBGM (Table A). The next revision will reflect above changes.
Part Lubrication Application Frequency
GEAR ACTUATORS
Stem threads Exxon: Ronex MP, Castrol MP Directly to When threads
or equivalent MP group (up to 650˚F) threads appear dry Recommended lubricant Frequency
Ronex Extra duty 2 (above 650˚F) Brand: Daikyo No. 2 only if you note
Mobile No. 28 there is no
Century Oils CL2X grease in
Stem nut and Exxon: Ronex MP, Castrol MP Inject through Concurrently
bearings or equivalent MP group (up to 650˚F) grease fitting with stem the actuator
Ronex Extra duty 2 (above 650˚F) at hub of yoke thread lubrication
Recommended
silicone sealer Frequency
All threaded parts - Anti-seize compound No. 425-A Thin coat on On valve SERVICE PROCEDURE
Dow Corning Silastic Only when gearbox
except stem and (Crane) or equivalent threads assembly only
No. 732-RTV is dismantled
stem nut - Nickel Anti-Seize to MIL-A-90TE
or MOLYKOTE P37 Reference maintenance manual VEL-GAM (Table 2). RECOMMENDED LUBRICATION
The next revision will reflect above changes. FOR VELAN SVP# 074
Reference maintenance manual VEL-CFVM (Table 4.3). The next revision will reflect above changes.
MANUFACTURED PRODUCTS
NOTE: 1. Recommended lubrication, subject to change without notice. DATE: BY: REV.: PAGE NO:
2. This information is not complete, and must not be used without first consulting the latest version of the referenced maintenance manual. Sept. 9th, 1999 Vahe Najarian 1 1 of 1