A lined butterfly valve could be described as:
1. Having flangeless or glanged connections and carbon steel or stainless steel bodies. With their very tight shutoff, heavy duty construction, and tight linkages, these valves are suitable for as many process applications as their sliding stem counterparts
2. Designed for use with corrosive fluids
3. Being handicapped by lack of tight shutoff
a) 1
b) 2
c) 3
d) 1, 2
e) 2, 3
Answer: B
Learn More :
3A2 Pan Global
- List the three subcategories of butterfly valves.
- List the two ways butterfly valves are installed into a piping system:
- The butterfly valve is often used as a final control element in ____ or large ______ piping systems.
- List advantages of diaphragm valves:
- Describe Diaphragm Valve applications.
- The diverting valve is a three-way valve, with _____ inlet and _____ outlets,
- What is the purpose of the bolted jacket's?
- Generally, in gate valves, the parts most severely worn are the discs and seats.
- Globe valves have the largest pressure drop or head loss of the valve types.
- Plug valve gland types include:
- The maximum temperature of fluids handled by a diaphragm valve must be below the temperature limit for the:
- Which best describes a spring-loaded diaphragm actuator:
- The purpose of the bolted on jacket on some plug valves is to:
- Diaphragms are made of materials resistant to the particular fluids being transported. Choose four materials which are often used to manufacture diaphragms
- Solenoid Valves are used in:
- A T-Ported component can be found in some ________ Valves
- Diaphragm valves have three basic parts: the valve _____, the valve _____ assembly, and the flexible disc or _____
- In a direct operating, electric actuator
- The mixing valve is designed with two _____ and one _____ for blending two fluids.
- In a direct operating, electrically operated valve
- The eccentric plug valve, is specially designed for ___________________.
- High-pressure single-ported globe bodies, or plug type, are often used in production of _____ and __________.
- The plug type globe valve is the best of the three types for ________ and ______ service.
- The conventional disc globe valve is fairly ________ and popular in low-pressure service where severe __________ is not required.