Cast Steel Bolted Bonnet Gate Valves

 

Ordering Number System


The following is an example of a Crane Nuclear gate valve figure number.
The fields have been numbered and will be explained in the corresponding section.

Cast Steel Bolted Bonnet Globe Valve - Ordering Number System

Category Description
1 Valve Size
2 Figure Number
3 Special Feature Suffix
4 Trim Designations
5 Special Trim Suffix
6 Body & Bonnet Material
7 Valve Ends
8 Operator Type Suffix
9 Other Special Options


Category 1: Valve Size

 
0.50 0.75 1.00 1.25 1.50 2.00 2.50 3.00 4.00 6.00
½” ¾” 1” 1- ¼” 1½” 2” 2½” 3” 4” 6”
 
8.00 10.00 12.00 14.00 16.00 18.00 20.00 24.00 30.00 36.00
8” 10” 12” 14” 16” 18” 20” 24” 30” 36”


Standard Figure Number System Globe

BOLTED BONNET-GLOBE VALVE, OS&Y
160 Class 150, plug type disc globe valve
160B Class 150, ball type disc globe valve
161 Class 150 V-Port disc globe valve
360 Class 300, plug type disc globe valve
360B Class 300, ball disc globe valve
361 Class 300, V-port disc globe valve
660 Class 600, plug type disc globe valve
660B Class 600, ball disc globe valve
661 Class 600, V-port disc globe valve


Category 3: Special Feature Suffix

A1 Single seal welded seat ring(s) and bonnet stem bushing (Not available in 1½” Globe Valves)
B Ball type disc
E Spiral wound bonnet gasket
F Extended bonnet-Length of extension follows “F” Example: F12=12” extended bonnet.
G Grease injector with lantern ring
H 309 stainless steel inlay in body neck (specific to pressure seal valves)
I Graphite stem packing and bonnet gasket
J Standard single valve by-pass as defined by the Pacific Valves catalog
JA Single bypass from body neck to A
JB Single bypass from body neck to B
J2 Double bypass from A to B
J3 Triple bypass from A to B and body neck
L or L1 Lantern ring and pipe plug in stuffing box
L2 Sleeve & bonnet stem bushing in stuffing box
M K-monel body/bonnet bolting
M1 Alloy 20 body/bonnet bolting
O Not used-too easily confused with zero
U Drill, tap and plug-Letter location specified after the “U” Example UG=DT&P at location G
X Monel inlay in seat ring threaded area


Category 4: Trim Designations

The base material of the disc and seat ring must be equal to or better in corrosion resistance than the material of the body and bonnet. The overlay or facing will be as shown below. All “H” trims may be supplied without Stellite or equal hard facing, if desired by the customer. In this case, disc and seat ring facing will be the same material.
U 13% chrome stem and disc facing with “Stellite or equal” faced seat ring(s)
1 13% chrome stem, disc facing and seat ring facing
2 13% chrome stem and disc facing with “Stellite only” seat ring{s) facing
6 Carbon Steel or Alloy Steel disc/plug with Carbon or Alloy Steel body or body seats
6H Carbon Steel or Alloy Steel disc/plus with Stellite 6 body seats
7 13% chrome stem and “Stellite or equal” disc and seat ring facing
33 NOREM hard facing


8H Monel stem and disk facing with “Stellite or equal” faced seat ring(s)
10H 304 stainless stem, disk facing and “Stellite or equal” faced seat ring(s)
12H 316 stainless stem, disk facing and “Stellite or equal” facing ring(s)
15 Special trim materials—must be defined on the sales order
16 CA15 (410 SS) disc/plug with Carbon or Alloy Steel body or body seats
17H 347 stainless stem, disk facing and “Stellite or equal” faced seat ring(s)
23H Inconel stem, disc facing and “Stellite or equal” faced seat ring(s)
28H 304L stainless stem, disc facing and “Stellite or equal” faced seat ring(s)
31 13% Chrome stem, “Stellite 21 disc and seat ring facing.
Also includes backseat, disc nut and body guides on Y-globe valves


Category 5: Special Trim Suffix

K Kel-F insert in seat or wedge/disc facing
R Kalrez insert in seat or wedge/disc facing
V Viton insert in seat or wedge/disc facing
BTR Kalrez “High Intensity Shut Off Valve”
BTV Viton “High Integrity Shut Off Valve”


Category 6: Body and Bonnet/Cap Material (no designation req’d for carbon steel)

This section is designated by the ASTM material “grade” for all specific materials except carbon steel, which requires no designation. If the material has special qualifications and/or requirements, an “X” will follow the material designation and be defined on the sales order or shop job instructions.

Example: CF8M-X X=Specific carbon equivalency



Category 7: Valve Ends (no designation required for standard flanges)

LG Large Groove flanged ends
LT Large Tongue flanged ends
WE() Butt weld ends-Schedule of mating pipe defined within O. When the schedule Is special, it will be signified by “X”. Unless otherwise specified, all valves will be supplied with butt welding ends conforming to ASME 816.25 either Fig. 2(b) or 3(b) depending on the nominal pipe wall thickness.
RJ Ring joint type flange valve ends
ST Small tongue flanged ends
SG Small groove flanged ends
FF Flat face flanged ends
LM Large male flanged ends


LF Large female flanged ends
N1() Nipple extension on one (1) end only. Length of extension is defined within the ().
N2() Nipple extension on both ends. Length of extension is defined within the ().
SF() Smooth face—when requirement is other than 125 to 200 Ra, the maximum will be defined within the (). No designation is required if there requirement is PV standard.
RF() Raised face—when requirement is other than B16.5, it will be defined within the (). No designations required if the requirement is PV standard


Category 8: Operation

Define the bevel gear operator model number on the Sales Order or Shop Job Instructions if a model other than the Pacific Valves’ standard is used.

A Hydraulic cylinder actuator
BG Bevel gear actuator
BGA Bevel gear with air adapter
BGS Bevel gear actuator with stem cover
BGAS Bevel gear with air adapter and stem cover
C Pneumatic cylinder actuator (fall as Is)
CC Pneumatic cylinder actuator (fall closed)
CO Pneumatic cylinder actuator (fan open)
D() Chainwheel with amount of chain as defined within the parenthesis () in feet
E Electric motor actuator
ET Electric motor actuator with Thermal Pack
ETS Electric motor actuator with Thermal Pack and stem cover
ES Electric motor actuator with stem cover
HB Hammerblow handwheel
MTG Valve to be suitable to mount a specific actuator by the customer.
Details of the operator must be specified on the sales order or shop job instructions

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