Data Sheet

ES Valve
D100021X012
Product Bulletin
51.1:ES
December 2012
4
Specifications (continued)
Packing Arrangements
Standard Material: Single PTFE V-ring
ENVIRO-SEAL Packing: Seefigure3
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, for more
information.
Approximate Weights
NPS 1/2 and 3/4: 9kg(20lb)
NPS 1 and 1-1/4: 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
leakoff service,
J body drain plug, J style 3
fabricated extension bonnet made on order to a
specific length for cryogenic service, and
J Whisper
TrimIIIcageforNPS6ESvalvebody
1. EN (or other) ratings and end connections can usually be supplied; consult your Emerson Process Management sales office.
2. The pressure/temperature limits in this bulletin, and any applicable standard 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
ENVIRO-SEAL Packing System Specifications
Applicable Stem Diameters
J 9.5 mm (3/8 inches), J 12.7 (1/2), J 19.1 (3/4),
J 25.4 (1), and J 31.8 (1-1/4) diameter v alve 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 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 or duplex packing)
Lantern Ring: S31600 (316 stainless steel) (not
required for graphite 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
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.