Cla-Val 81-01/681-01 Technical Manual - Manual (Page 8)

Model 81-01 (Uses Basic Valve Model 100-01) Dimensions
(In inches)
Model 81-01 Dimensions (In Inches)
Component Standard Material Combinations
Body & Cover Ductile Iron Cast Steel Bronze
Available Sizes 3 ⁄
8
" - 3" 3 ⁄
8
" - 3" 3 ⁄
8
" - 3"
Disc Retainer &
Diaphragm Washer
Cast Iron Cast Steel Bronze
Trim: Disc Guide,
Seat & Cover Bearing Bronze is Standard
Stainless Steel is Optional
Disc Buna-N ® Rubber
Diaphragm Nylon Reinforced Buna-N ® Rubber
Stem, Nut & Spring Stainless Steel
For material options not listed, consult factory.
Cla-Val manufactures valves in more than 50 different alloys.
Materials
100-01
(Globe)
B
100-01
Angle)
*1 1 ⁄ 2" Size Only
Valve Size (Inches) 3 ⁄
8
1 ⁄
2
3 ⁄
4
1 1 1 ⁄
4
1 1 ⁄
2
2 2 1 ⁄
2
3
A Threaded 2.75 3.50 3.50 5.12 7.25 7.25 9.38 11.00 12.50
AA 150 ANSI — — — — 8.50* 8.50* 9.38 11.00 12.00
AAA 300 ANSI — — — — 9.00* 9.00* 10.00 11.62 13.25
B Dia. 2.50 3.12 3.12 4.38 5.62 5.62 6.62 8.00 9.12
C Max. 2.00 3.00 3.00 2.75 5.50 5.50 6.50 7.56 8.19
D Threaded — — — — 3.25 3.25 4.75 5.50 6.25
DD 150 ANSI — — — — 4.00* 4.00* 4.75 5.50 6.00
DDD 300 ANSI — — — — 4.25* 4.25* 5.00 5.88 6.38
E 1.25 0.88 0.88 1.63 1.12 1.12 1.50 1.69 2.56
F 150 ANSI — — — — 2.50 2.50 3.00 3.50 3.75
FF 300 ANSI — — — — 3.06 3.06 3.25 3.75 4.13
G Threaded — — — — 1.88 1.88 3.25 4.00 4.50
GG 150 ANSI — — — — 4.00* 4.00* 3.25 4.00 4.00
GGG 300 ANSI — — — — 4.25* 4.25* 3.50 4.31 4.38
H NPT Body Tapping — 1 ⁄
8
1 ⁄
8
1 ⁄
4
3 ⁄
8
3 ⁄
8
3 ⁄
8
1 ⁄
2
1 ⁄
2
J NPT Cover Center Plug 1 ⁄
4
1 ⁄
8
1 ⁄
8
1 ⁄
4
1 ⁄
4
1 ⁄
4
1 ⁄
2
1 ⁄
2
1 ⁄
2
K NPT Cover Tapping — 1 ⁄
8
1 ⁄
8
1 ⁄
4
3 ⁄
8
3 ⁄
8
3 ⁄
8
1 ⁄
2
1 ⁄
2
Valve Stem Internal
Thread UNF
— — — — 10-32 10-32 10-32 10-32 1 ⁄
4
-28
Stem Travel — — — — 0.4 0.4 0.6 0.7 0.8
Approx. Ship Wt. Lbs. 3 3 3 8 15 15 35 50 70
X Pilot System 4 6 6 8 11.00 11.00 13.00 14.00 15.00
Y Pilot System 3 4 4 6 9.00 9.00 9.00 10.00 11.00
Z Pilot System 3 4 4 6 9.00 9.00 9.00 10.00 11.00
Pressure Ratings (Recommended Maximum Pressure - psi)
Valve Body & Cover
Pressure Class
Flanged Threaded
Grade Material
ANSI
Standards*
150
Class
300†
Class
End‡
Details
ASTM A536 Ductile Iron B16.42 250 640 400
ASTM A216-WCB Cast Steel B16.5 285 720 400
ASTM B62 Bronze B16.24 225 500 400
Note: * ANSI standards are for flange dimensions only.
Flanged valves are available faced but not drilled.
‡ End Details machined to ANSI B2.1 specifications.
† Consult factory when Maximum Operating Pressure Differential
(MOPD) is greater than 400 PSID