Data Sheet

A11 Valve
D500203X012
Product Bulletin
21.1:A11
May 2013
2
Features (continued)
 Reliable Flange Gasketing Surface–Seal retainer
screws are located so there is no interference with
the sealing function of either flat sheet or spiral
wound line flange gaskets.
 True Bidirectional Shutoff Performance–Afeature
of the valve design is that the torque necessary to
openandclosethevalveisthesameregardlessof
the direction in which the differential pressure is
applied.
 Ease of Maintenance–Interchangeability of all parts,
including shafts and discs, simplifies service and
reduces maintenance costs.
Standard Seal
Configurations
 Standard Soft Seal (PTFE CL150 and 300, and ETFE
CL600, 900, and 1500)–A resilient dynamic seal
with an elastomeric back- up ring for low to
moderate temperature applications.
 Metal Seal–This stainless steel seal is available for
severe service and high-temperature applications to
704_C (1300_F) for NACE applications and 816_C
(1500_F) for other applications.
 NOVEX Seal–The NOVEX stainless steel seal is
available for severe service, Cryogenic, and
high-temperature applications to 816_C (1500_F).
Available for CL150/150, 150, and 300, up to
NPS 36 only.
 Phoenix III Seal–This three-component,
metal-and-polymeric seal is available for severe
service with low to moderate temperature
applications.
 High-Pressure Seal (CL600, 900, and 1500)–This
robust, stainless steel seal is available for severe
service, cryogenic, and high-temperature
applications to 704_C (1300_F), for NACE, and for
other applications to 816_C (1500_F).
 Cryo-Tight Cryogenic Seal–This resilient dynamic
seal is available with or without an aluminum
back-up ring for low temperature applications.
Table of Contents
Features 1.....................................
Standard Seal Configurations 2...................
Specifications 3................................
Installation 4..................................
Dimensions and Weights 9.......................
Pressure Drops 16..............................