Each of these diaphragm sheets is manufactured with a high-quality compound designed for long service. Each is reinforced with high quality, square-woven duck to provide balanced structural strength over the entire area of the diaphragm. Recommended for control valves, regulators and pumps, they also make excellent weather strip materials.
Style #3205 is a 7.5 oz./sq. yd. (254 g/sq. m), polyester fabric with neoprene covers. Good oil resistance. One ply of fabric per 1/16″ (1.6 mm) thickness.
- ASTM D2000-BC-714
Style #3206 is a 14 oz./sq. yd. (254 g/sq. m), cotton duck fabric with neoprene covers. Good oil resistance. One ply of fabric per 1/16″ (1.6 mm) thickness.
- ASTM D2000-BC-714
Style #3210 is a 14.0 oz./sq. yd. (480 g/sq. m), strong nylon duck fabric with neoprene covers. Good oil resistance. One ply of fabric 1/16″ (1.6 mm) through 3/16″ (4.8 mm) thicknesses. Two plies of fabric in 1/4″ (6.4 mm) thickness.
- ASTM D2000-BC-714
MULLEN BURST TEST RATINGS FOR FABRIC
Obtained using burst tester with 1.24-inch (31.5 mm) diameter opening. Per ASTM D751.
| STYLE # | 1 PLY | 2 PLY | 3 PLY | 4 PLY |
|---|---|---|---|---|
| 3205 | 370 psig (26 bar) |
860 psig (59 bar) |
1000+ psig (69+ bar) |
1000+ psig (69+ bar) |
| 3206 | 315 psig (22 bar) |
655 psig (45 bar) |
950+ psig (66 bar) |
1000+ psig (69+ bar) |