Seal, Gear & Coupling
Mechanical seals, gear units, couplings, lube-oil, and machinery protection.
Primary standards
All applicable standards (14)
API 682
Pumps — Shaft Sealing Systems for Centrifugal and Rotary Pumps
The primary standard for mechanical seals and seal support (flush plan) systems on centrifugal and rotary pumps.
Rotating Equipment
Mechanical Seal · Pump
API 614
Lubrication, Shaft-Sealing, and Oil-Control Systems and Auxiliaries
Requirements for lube-oil, seal-oil, and control-oil systems serving special-purpose rotating machinery.
Rotating Equipment
Lubrication System · Compressor · Turbine
API 670
Machinery Protection Systems
Requirements for machinery protection systems — vibration, position, temperature, and overspeed monitoring.
Rotating Equipment
Machinery Protection · Compressor · Turbine
API 671
Special-Purpose Couplings for Petroleum, Chemical, and Gas Industry Services
Requirements for special-purpose couplings (mainly flexible disc) connecting critical rotating machinery.
Rotating Equipment
Coupling
API 677
General-Purpose Gear Units for Petroleum, Chemical, and Gas Industry Services
Requirements for general-purpose gear units for non-critical rotating machinery drives.
Rotating Equipment
Gearbox
API 613
Special-Purpose Gear Units for Petroleum, Chemical, and Gas Industry Services
Requirements for special-purpose (critical, high-speed) gear units, typically for compressor and turbine trains.
Rotating Equipment
Gearbox
AGMA
AGMA Gear Rating, Design, and Lubrication Standards
American Gear Manufacturers Association standards for gear geometry, rating, inspection, and lubrication.
Rotating Equipment
Gearbox
ISO 20816
Mechanical Vibration — Measurement and Evaluation of Machine Vibration
Standard for measuring and evaluating machine vibration on non-rotating parts and shafts, with acceptance zones A–D.
Rotating Equipment
Machinery Protection · Compressor · Turbine
ISO 21940
Mechanical Vibration — Rotor Balancing
Standard series for rotor balancing, including balance quality grades (e.g. G2.5) and tolerances.
Rotating Equipment
Machinery Protection
ISO 3448
Industrial Liquid Lubricants — ISO Viscosity Classification
Viscosity classification system (ISO VG grades) for industrial liquid lubricants.
Material & Fabrication
Lubrication System
ASTM D445
Kinematic Viscosity of Transparent and Opaque Liquids
Test method for kinematic viscosity of liquids, the basis for lubricant viscosity grading.
Material & Fabrication
Lubrication System
ASTM D2270
Calculating Viscosity Index from Kinematic Viscosity
Method for calculating the viscosity index (VI) from kinematic viscosities at 40°C and 100°C.
Material & Fabrication
Lubrication System
ASTM D92
Flash and Fire Points by Cleveland Open Cup
Test method for flash and fire points of petroleum products by Cleveland open cup.
Material & Fabrication
Lubrication System
ASTM D665
Rust-Preventing Characteristics of Inhibited Mineral Oil in the Presence of Water
Test method for the rust-preventing properties of steam-turbine and other oils in the presence of water.
Material & Fabrication
Lubrication System