Azbil HLS Series User Manual

11-1
Chapter 11. Certified ISO 15848-1 compliant low emission
gland packing
11-1. Overview
Certified ISO 15848-1 low emission gland packing employs a live-loaded packing system
to maintain valve seal performance for a long period of time. The gland packing system has
acquired third-party certification for compliance with ISO15848-1, which is the international
standard for low-emission performance of valves. For the structure of the gland, see Fig. 11-1
and Fig. 11-2.
No. Name
(1)
(10)
(11)
(12)
(13)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(1) Gland stud
(2) Gland nut
(3) Packing flange
(4) Belleville spring
(5) Packing follower
(6) Carbon ring (P6210C2FS)
(7) Adapter packing (P6720)
(8) Main packing (P4519)
(9) Spacer
(10) Stem
(11)
O-ring for inner side of
packing follower (optional)
(12)
O-ring for outer side of
packing follower (optional)
(13) Stuffing box
Fig. 11-1. Structure of Certified ISO 15848-1 low emission gland packing (for PTFE yarn)
No. Name
(1)
(10)
(11)
(12)
(13)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(1) Gland stud
(2) Gland nut
(3) Packing flange
(4) Belleville spring
(5) Packing follower
(6) Carbon ring (P6210)
(7) Adapter packing (P6720)
(8) Main packing (P6617CL)
(9) Spacer
(10) Stem
(11)
O-ring for inner side of
packing follower (optional)
(12)
O-ring for outer side of the
packing follower (optional)
(13) Stuffing box
Fig. 11-2. Structure of Certified ISO 15848-1 low emission gland packing (for expanded
graphite)

Azbil HLS Series Specifications

General

Brand	Azbil
Model	HLS Series
Category	Control Unit
Language	English