Contact Us
Distributors, Sales Reps & Manufacturers
Pum Cup Textures
Type
Texture
Service
Pressures
Temperatures
 
 
 
 
 
 
 
 
102
Medium
Many solvents, 5% acids, 10% alkali solutions.
1000 p.s.i.
300ºF
 
 
105
Soft
Solvents, 5% acids, 10% alkali solns, gasoline, oil.
500 p.s.i.
300ºF
 
 
106
Hard
Organic solvents, tar, creosote, phenols, alcohol
1000 p.s.i.
300ºF
 
 
202
Medium
Strong, medium and weak acids, chemicals.
1000 p.s.i.
350ºF
 
 
204
Soft
Strong, medium and weak acids, chemicals.
500 p.s.i.
400ºF
 
 
206
Hard
Strong acids, hot tar, creosote and chemicals.
1000 p.s.i.
450ºF
 
 
262
Soft
Strong acids, hydrofluric acids and chemicals.
500 p.s.i.
500ºF
 
 
Pneumatic
Soft
Static seal for pneumatic and hydraulic cylinders.
125 p.s.i.
300ºF
 
 
 
 
 
 
 
 
Type H Pump Cups
A
B
C
D
A
B
C
D
Size
Height
Thickness
Hole Size
Size
Height
Thickness
Hole Size
 
 
 
 
 
 
 
 
2"
11/16
5/32
Specify
4 1/4
1"
0.220
Specify
2 1/8
11/16
5/32 .156
Specify
4 1/2
1"
0.222
Specify
2 1/4
11/16
5/32 .156
Specify
4 3/4
1"
0.234
Specify
2 1/2
11/16
5/32 .156
Specify
5"
1 1/8
0.212
Specify
2 5/8
11/16
5/32 .156
Specify
5 1/2
1 1/8
0.250
Specify
2 3/4
11/16
5/32 .156
Specify
5 3/4
1 1/8
0.250
Specify
2 7/8
11/16
5/32 .156
Specify
6"
1 1/8
0.250
Specify
3"
13/16
0.201
Specify
6 1/2
1 1/8
0.234
Specify
3 1/4
13/16
0.203
Specify
7"
1 1/8
0.234
Specify
3 1/2
13/16
0.203
Specify
7 1/2
1 1/8
0.250
Specify
3 3/4
1"
0.187
Specify
8"
1 1/8
0.250
Specify
4"
1"
0.211
Specify
8 1/2
1 1/8
0.250
Specify
 
 
 
 
 
 
 
 
Other Sizes Available
Available in Composition fabric & rubber and in Nylon & rubber
Home
About Us
Valve
Cups
Seating
Cups
Pressure
Actuated
Rings
Yellowjackets
& Composition
Rings
Pump
Components
& Gaskets
TefCore & Veetex
Stuffing Box
Components

DARCOVA & The Dragon • (800) 327-2682 • (800) 372-4661 • Phone (406) 254-9399 • FAX (406) 254-9446
514 Foote Street • Billings, MT 59101
© 2017 Darcova Inc.