Parker Parflex - Page 61

Parker Hannifin Corporation
Parflex Division
Ravenna, Ohio
Bulletin No. 4660-PGP2T
61
Parflex
®
Flexible Gas Piping System
Design and Installation Guide
Circle the correct answer
1. The design, methods and installation procedures of the Parflex system must comply with:
A. International Plumbing Code
B. Local Building Codes
C. CSA
2. When Local Codes do not exist, which authority takes precedence?
A. CSA
B. Master plumber on job site
C. The Parflex System Design and Installation Guide
3. What must be determined before sizing a gas pipe installation?
A. System Pressure
B. Location of appliances
C. Loads of appliances
D. All of the Above
4. All Parflex systems must be installed by a trained and qualified installer.
True False
5. The FastMate
TM
quick connect fitting can be interchanged with fittings manufactured by other firms.
True False
6. Parflex can be used in combination with black pipe using approved threaded couplings.
True False
7. The maximum working pressure of the Parflex System is:
A. 50 PSI
B. 5 PSI
C. 2 PSI
8. The yellow jacket should be stripped 1 ft. each side of a fire wall, duct or plenum.
True False
9. Clearance holes for routing the Parflex tubing are to be the same size of the pipe.
True False
10. Parflex tubing must be protected from physical damage at support points and locations where the
tubing passes through joists, studs, clamps and floor plates.
True False
11. Protection is required when the tubing is constrained, concealed and 3 inches or less from a
potential nail threat.
True False
12. Moveable appliances (range, dryer) must be connected to a rigidly mounted flange fitting using only
approved flexible appliance connectors.
True False
13. If there is no local requirement, the minimum test pressure should be one and a half times working
pressure but not less than 3 psi.
True False