Data Sheet
ET Valve
D100022X012
Product Bulletin
51.1:ET
December 2012
4
Specifications (continued)
Port Diameters and Maximum Valve Plug Travels
See tables 13 and 15
Yoke Boss and Stem Diameters
See table 14
Typical Bonnet Styles
See table 11
Packing Arrangements
Standard Material: Single PTFE V-ring
Optional Materials: See table 9
ENVIRO-SEAL Packing Systems: See figures 9 and 10
ENVIRO
-
SEAL Packing Systems in vacuum service:
Standard ENVIRO-SEAL packing systems can be used
in vacuum service with packing rings in standard
orientation. Do not reverse the ENVIRO-SEAL PTFE
packing rings. Also, see Bulletin 59.1:061,
ENVIRO-SEAL Packing Systems for Sliding-Stem
Valves
Approximate Weights
NPS 1: 14 kg (30 lb)
NPS 1-1/2: 20 kg (45 lb)
NPS 2: 39 kg (85 lb)
NPS 2-1/2: 45 kg (100 lb)
NPS 3: 57 kg (125 lb)
NPS 4: 77 kg (170 lb)
NPS 6: 159 kg (350 lb)
NPS 8: 408 kg (900 lb)
Additional Options
J Lubricator, J lubricator/isolating valve, J drilled
and tapped connection in extension bonnet for
leak-off service,
J body drain plug, J style 3
fabricated extension bonnet made on order to a
specific length for cryogenic service,
J style NS
bonnet for seismic service requirements,
J packings
suitable for nuclear service,
J Class V shutoff for ET
above 232_C(450_F) using PEEK anti-extrusion rings
1. EN (or other) ratings and end connections can usually be supplied; consult your Emerson Process Management sales office.
2. The pressure or temperature limits in this bulletin, and any applicable code limitations, should not be exceeded.
3. Certain bonnet bolting material selections may require a CL600 easy-e valve assembly to be derated. Contact your Emerson Process Management sales office for more information.
4. Limitation based on excessive noise increase if max P/P
1
ratio for a given cage level is exceeded.
ENVIRO-SEAL Packing System Specifications
Applicable Stem Diameters
J 9.5 mm (3/8 inches), J 12.7 mm (1/2 inches),
J 19.1 mm (3/4 inches), J 25.4 mm (1 inch), and
J 31.8 mm (1-1/4 inches) diameter valve stems
Maximum Pressure/Temperature Limits
(1)
To Meet the EPA Fugitive Emission Standard of 100
PPM
(2)
For ENVIRO
-
SEAL PTFE and ENVIRO
-
SEAL Duplex packing
systems: full CL300 up to 232_C(450_F)
For ENVIRO
-
SEAL Graphite ULF packing: 104 bar (1500
psig) at 316_C(600_F)
Construction Materials
PTFE Packing Systems
Packing Ring and Lower Wiper: PTFE V-ring
(3)
Male and Female Adaptor Rings: Carbon-filled PTFE
V-ring
Graphite ULF Packing Systems: Graphite rings
Duplex Packing Systems:
Male and Female Adaptor Rings: Carbon-filled PTFE
V-ring
Guide Bushings: Carbon graphite
Packing Rings: Graphite composite
Packing Washer: PTFE
Anti-Extrusion Washer: Filled PTFE (not required for
Graphite ULF or duplex packing)
Lantern Ring: S31600 (316 stainless steel) (not
required for Graphite ULF packing)
Packing Box Flange: S31600
Spring:
J 17-7PH stainless steel or J N06600
Packing Follower: S31600 lined with carbon-filled
PTFE
Packing Box Studs: Strain-hardened 316 stainless
steel
Packing Box Nuts: 316 stainless steel SA194 Grade
8M
1. Refer to the valve specifications in this bulletin for pressure/temperature limits of valve parts. Do not exceed the pressure/temperature rating of the valve. Do not exceed any applicable code
or standard limitation.
2. The Environmental Protection Agency (EPA) has set a limit of 100 parts per million (ppm) for fugitive emissions from a valve in selected VOC (VolatileOrganicCompound)services.
3. In vacuum service, it is not necessary to reverse the ENVIRO-SEAL PTFE packing rings.